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Yoga Copilot+ PC Pops In Unexpectedly

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When I sent an email to the Lenovo Reviews team earlier this week, I asked that they send me a Copilot+ PC at their earliest convenience. When “the Boss” told me “You have a package” this morning, I had no idea what it might be. But gosh: it’s  a brand-spanking-new Yoga Lenovo Yoga Slim 7 14Q8X9. It’s still booting — during which it clearly recognized itself as a Copilot+ PC — so I can’t even say what’s under the hood just yet. But when a Yoga Copilot+ PC pops in unexpectedly, I’m happy to work through its OOBE and setup stuff. Wow!

Yoga Copilot+ PC Pops In Unexpectedly, Things Get Fun!

OK, I got far enough into booting that I can say a little about what’s what (thanks to System Information in the running OS):

  • Snapdragon X1E78100 CPU
  • 3K (2944×1840) OLED display (great, sharp colors)
  • 16 GB RAM
  • 512 GB SSD
  • Windows 11 Home (!)
  • All 3 USB ports (2 left, 1 right) are USB 40Gbps

From what I can see about pricing on the product page, my unit as configured would cost US$1,200.00 (in round numbers). If I were buying one, I’d definitely spend the US$69 to bump it up to 32GB RAM, and US$45 to take it up to a 1TB SSD.

Apparently, I’ve got a lot of work to do on intake. I’ll be upgrading this to Windows 11 Pro, mostly so I can use RDP to get into the machine from my dual-screen desktop.

First Impressions

As with the Lenovo Yoga Pro 9i that preceded it, the Yoga Slim 7 shows up in plastic-free packaging. It took less than a minute to unbox and put things together. Interestingly, the unit wouldn’t boot until I plugged the brick into an AC outlet, and hooked it up. Normally, Lenovo sends review units out with a full charge. But not this time — probably because they put it in the pipeline for shipping as soon as I requested the unit on Wednesday. Again: I’m stunned and thankful.

The unit lives up to its slim moniker, but feels sturdy and high-quality in the hand. According to its product page, it weighs 2.82.lbs/1.28kg:  but it feels both light and powerful. The deck and outer surfaces are all a wonderful dark shade of midnight blue.

An Upgrade Wrinkle…

Interestingly, I couldn’t use a MAK Windows 11 Pro key to upgrade the unit (maybe that one doesn’t include ARM coverage?). I had to burn one of my MVP Windows 11 Pro retail licenses to get the upgrade through the Activation center in Settings. It shows the same screen as when using Recovery to perform an in-place repair install (unsurprisingly). I’ll report back in when this finishes.

Soon, I’ll also be able to report in on the Yoga Slim 7’s Snapdragon specific AI-based Copilot features. That should be a total gas. Right now, I’m still in the intake process, getting ready to put this PC through its paces. Stay tuned!

My next move will be to box up and send back the truly terrific Lenovo Yoga Pro 9i I’ve had since late April. It’s been a great (and powerful) PC especially for VMs in Hyper-V. I’ll be sorry to see it go. But I promised to send it back as soon as another USB4 capable unit showed up here at Chez Tittel. That means an outing to the FedEx storefront at 183A and 1431 later this afternoon. Good-oh!

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Comparing USB4 40 vs 20 Gbps

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My rationale for keeping the terrific Lenovo Yoga Pro 9i for a couple of extra weeks comes from a recently acquired Maiwo 40 Gbps USB4 NVMe enclosure. Handily, the 9i has two USB-C ports side-by-side. One is rated 40 Gbps, the other 20 Gbps. The lead-in graphic has me comparing USB4 40 vs 20 Gbps via CrystalDiskMark. As you can see, the port speed makes a difference, especially for large block transfers (upper half of each chart).

Comparing USB4 40 vs 20 Gbps: What’s the Diff?

As you can see in the lead-in graphic, the 40Gbps port is faster than its 20Gbps counterpart in 3 out of 4 rows in CrystalDiskMark. It’s double or better for the top 2 rows which involve large (1MB) block transfers. It’s also faster on random writes of 4K blocks, and slightly slower in random reads of such blocks.

Copilot explains these differences as follows (and I am convinced it’s correct because of fundamental principles involved):

  • Large reads and writes benefit more from the higher speed . . . because they involve continuous data transfer.
  • Smaller reads and writes may not fully utilize the increased speed, resulting in smaller differences.

Indeed it makes sense to me that the 4K transfers (which means such reads involve 8 512-byte sectors per read or write) would be less sensitive to bandwidth than 1 MB transfers (2,048 512-byte sectors per read or write, as in 211 transfers overall for each such operation). There’s a lot more time for the speed difference to manifest for those larger transfers. The smaller ones are so fast, the channel speed differences don’t matter much (or at all).

Comparing Backup Times

But CrystalDiskMark is a synthetic benchmark, so it’s not entirely clear how accurately it reflects speeds when performing various operations. For me, the ultimate test of an external USB storage device is how fast it can complete an image backup of the PC’s boot/system drive. Indeed backup and restore top my list of “things to use external USB storage for.” So let’s compare those numbers, shall we?

Because my fave backup tool — namely, Macrium Reflect — is no longer free, I installed and used EaseUS ToDo Backup Free instead. I ran two complete backups with the same drive, same cable: one thru the 40Gbps port, the other thru the 20 Gbps port. File Explorer reports the size of the C: partition at 73GB; other partitions on that drive weigh in at over 1GB total (interestingly, EaseUS reports backup size at 119.5GB). I used 120GB as my backup size in the following table.  I also checked Settings | Bluetooth & devices | USB | USB4 hubs and devices to confirm that the first timing used the 40Gbps and the second the 20Gbps USB-C ports.

Port    Total Time    GB/min
40Gbps  03:22 (202)   35.64
20Gbps  05:11 (311)   23.15

As you might expect the difference is not linear. The 40Gbps backup averages about 35% faster, not 100% as a purely linear ratio would dictate. Even so, this saves 109 seconds (01:49) on backup time. As the backups get bigger, the gap widens. Very interesting!

More for Less

Right now a 40Gbps NVMe enclosure (with cooling fan) costs  (US$70) about fifty bucks LESS than what I paid for a 20Gbps device two years ago (sans fan). Thus, I’d say the difference was definitely worth it.

If you’re buying new, there’s no reason to consider an older 20Gbps device. The real question for those with PCs or laptops 2 years old or older is: does this speed difference justify buying a newer computer? Only you can decide for yourself. For me, it’s pretty compelling . . . but for now, I’m using a loaner unit from Lenovo to measure this capability. I haven’t shelled out to buy a brand-new machine with my own cash recently, either. But I’m thinking about it, hard.

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USB4 Means Yoga Pro 9 Stays On

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I have to apologize to the review team at Lenovo. I’d told them I’d be sending back their splendid Yoga Pro 9(i) last Friday. Then I got an assignment from AskWoody to write about external, USB-attached NVMe (and other SSD) storage devices. So of course I had to a buy a current-gen 40 Gbps USB4 drive enclosure. Also, its inbuilt USB4 means Yoga Pro 9 stays on here at Chez Tittel while testing is underway. Sorry, Jeff and Amanda: I need to keep this beast a bit longer…

Why USB4 Means Yoga Pro 9 Stays On

Short answer: it’s my only PC/laptop with USB4 capability. And I want to research and write about same. And on the Yoga Pro 9i the first thing I observe is that while it has two USB-C ports, only one of them supports 40 Gbps throughput (the other is USB-C 3.2 and tops out at half that). This makes a big difference in read/write speeds. Ditto for cables: for best results you need a cable marked 40 Gbps or Thunderbolt 4, too. The device info for the MAIWO 40Gbps enclosure shows what needs to appear for fastest I/O:

USB4 Means Yoga Pro 9 Stays On.Settings-USBdevinfo

The salient info is at the bottom: 40Gbps. It also detects a Gen3 NVMe SSD.

Over the next 10 days or so, I’ll be comparing enclosures, drives, and cables with related measurements. This should be interesting. But for now, let me observe that I paid US$70 for a 40Gbps NVMe enclosure yesterday. When I bought the previous generation (20Gbps) enclosures, the cheapest ones cost US$120 or thereabouts. It’s good that the technology is getting both faster and cheaper. I’m very interested to see how quickly Macrium Reflect can back up the Yoga Pro 9i with a fast SSD and this fast enclosure. Should be fun!

Top of the Heap? You tell me…

FWIW, Cale Hunt over at WindowsCentral just anointed the Lenovo Yoga 9i as the #1 best laptop for 2024. I’ve found it to be pretty stellar in my 5 weeks working with it so far. It’s been great at handling complex programs, lots of VMs, and both compute- and graphics-intensive workloads. Too bad it came out before Copilot + PC requirements were known. It’s close, but not quite at that level. Sigh.

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Stellar OST Tool Worth Grabbing

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Microsoft Outlook, in both its local and cloud forms, is an interesting beast. For those with Microsoft 365 or similar subscriptions, that goes double. For such instances, Outlook uses OST (Online Storage Table) files, which maintain fluid, shared snapshots of Outlook “stuff” (e.g. messages, events, contacts, and so forth). Such files live mostly in the cloud on an Exchange server. Outlook also uses Personal Storage Tables (stored in PST files locally on a PC) as well. But while Outlook allows users to export and import from other files,  OST files won’t support this activity: PST is your best bet.

Here’s what STELLAR OST CONVERTER looks like, once you complete the initial conversion step.

Why Is Stellar OST Tool Worth Grabbing?

Simply put: the STELLAR CONVERTER FOR OST provides a quick and easy way to convert OST to PST files (local to the PC) with just a few mouse clicks. Indeed it can even recover “orphaned” OST files — those no longer readily available inside Outlook itself — by scanning folders where OST items live. It then happily converts everything it finds to PST.

Stellar OST Tool Worth Grabbing.outlook-import-export

Outlook’s export/import capabilities embrace PST files, but NOT OST files.

As the preceding graphic shows, Outlook exports its contents to PST. A similar dialog for import shows those same options. OST, I’ll observe, is conspicuously absent. Thus, this tool provides a great way to create backup PST collections to match Outlook accounts and related file holdings. These can get quite large: mine is currently around 3GB in size (I’ve seen them as big as 14GB). Conversion takes awhile: about 15 minutes in all (7.5 to scan and enumerate, 7.5 to save) . That said, PST files are browsable repositories, and can restore entire Outlook data collections if necessary.

Exploring This Stellar Tool…

In graphic captioned “initial conversion step” above, you see the STELLAR CONVERTER FOR OST, showing the contents of the Consulting/AskWoody folder. As you can see, it captures all of my recent message traffic, and can show individual message contents in the reading pane at far right. The left-hand pane shows the folder hierarchy; the center pane shows message info. Note: deleted messages appear in red in their parent folders (as well as in Trash).

In fact, the STELLAR CONVERTER FOR OST offers several noteworthy additional capabilities:

  • Handles large OST files: It took about 15 minutes, but STELLAR CONVERTER FOR OST handled my huge collection of Outlook data. That included messages, contacts and calendar data . The time to scan is roughly equal to the time to save what’s been scanned.

By some quirk of fate, the subject of the current message pops up as STELLAR CONVERTER FOR OST save handles Outlook message store.

Once saved, the converted PST file weighs in at just under 3.0 GB (3,072MB).

  • Handles encrypted OST files: STELLAR CONVERTER FOR OST can read and decrypt encrypted OST files, and save them in PST format. When mailbox or server synchronization issues impede server-based decryption, STELLAR CONVERTER FOR OST delivers them in readable PST form.
  • Global purview for Outlook data files: STELLAR CONVERTER FOR OST finds and lists all OST files. That includes those from IMAP plus Exchange or Microsoft 365 message profiles. Users can easily select and scan OST files to extract specific items. STELLAR CONVERTER FOR OST also offers a powerful “Find” (search) function. It even shows orphaned messages in a Lost & Found folder, like this:

The Lost&Found folder in STELLAR CONVERTER FOR OST contains orphaned Outlook items — mostly Calendar stuff.

  • Complete OST coverage: SSTELLAR CONVERTER FOR OST extracts everything from OST files. Beyond email messages, it handles attachments, contacts, calendars, tasks, notes, journals, and more. It even handles OST to PST conversion with no need for Exchange profiles.

But Wait: Still More Recovery…

Beyond these specifics, STELLAR CONVERTER FOR OST is useful for recovering from OST synchronization failures. These can occur when

  • the client view of what’s current and correct diverges from the server’s view
  • when mailbox issues (loss, damage, corruption) present themselves
  • clients wish to recover deleted items no longer present in the Trash folder. You can see such deleted items in red in the preceding screencap (assume they’re more useful than canceled appointments, please).

OST conversion provides a PST upon which to base a new, shared view of Outlook contents and to re-establish proper agreement.

Vitally, STELLAR CONVERTER FOR OST offers recovery should the server behind Hosted Microsoft Exchange service be damaged or hacked. That is, this program can provide PST files from which to rebuild and restore mailbox data to Office 365 or Microsoft 365 servers. This same capability also enables quick migration from Hosted Exchange to O365 or M365 with minimal effort, and no risk of data loss. Good stuff!

STELLAR CONVERTER FOR OST Costs & Cons

STELLAR CONVERTER FOR OST comes in 3 versions: Corporate, Technician and Tookit, with respective licensing fees of US$79, US$149 and US$199. See their “Buy Now” page for a complete comparative features matrix. The TLDR version is that higher-priced versions offer more and better repairs: Technician adds batch file conversion, more advanced PST handling, exports to live Exchange and O365, plus Contacts in CSV format to the mix; Toolkit does all that, plus corrupt PST repairs, total mailbox restores, more format options, PST merge, password recovery, and a whole lot more. Of course, you’d expect to spend more for higher-end program versions, but they do come at higher costs.

For years, I’ve relied on Outlook to maintain a journal of all the emails I send and receive. It’s an astonishingly detailed and accurate record of my professional and financial life. STELLAR CONVERTER FOR OST provides me with the confidence that I can access and rely on my “email trail” to document and manage a busy working schedule, an upcoming calendar, and a sizable list of professional colleagues and contacts.

The more you rely on email to help run, document and prove up your activities, assignments responsibilities, and professional network, the more you need STELLAR CONVERTER FOR OST. It’s definitely worth having, if only as a way to insure yourself against loss of or damage to vital working assets.

[Note: I produced this item after Stellar contacted me to ask me to write and post the piece. I am invoicing them for a modest fee as well. That said, the opinions herein are my own, and I stand by my recommendation of this product.]

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Yoga Pro 9i Shows Incredible SSD Speed Variations

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I’m digging into the behaviors of the svelte and powerful Yoga Pro 9i I’ve had for two weeks today. It’s a speedy and powerful beast of a laptop. It’s half the thickness (30.23mm/1.2″ vs 19.4mm/0.77″ on average) and ¾ the weight (2.95kg/6.5 lbs vs 2.23kg/4.9 lbs) of the Lenovo P16 Mobile Workstation (Gen1). But it’s either on par with or faster than that bigger beast of a desktop replacement. All this said, though, running various NVMe drives and enclosures, I’ve observed that the Yoga Pro 9i shows incredible SSD speed variations.

Why Say: Yoga Pro 9i Shows Incredible SSD Speed Variations

The first set of CrystalDiskMark (CDM) results for the Yoga Pro 9i serve as the lead graphic up top here. These come from the internal SSD inside the unit’s M.2 drive slot. According to Device Manager that drive is an SKHynix_HFS001TEJ9X115N (1TB PCIe x4 NVMe 1.4). Those are pretty respectable results, and serve as a point of reference against external drives.

What makes the Yoga Pro 9i interesting is its two USB-C ports. One is labeled USB-C (20 Gbps) and the other is labeled Thunderbolt 4 (which means 40 Gbps) [see the ports diagram from this April 29 post]. Theoretically that means port 3 (USB-C 20 Gbps) tops out at half the speed of port 4 (USB-C Thunderbolt 4 40 Gbps).

And indeed my only Thunderbolt 4 NVMe enclosure — an Acasis TB-401u claims to support that 40 Gbps top rate. The on-the-ground reality is, however, something quite different with a Sabrent Rocket 1TB NVMe 1.3 SSD  installed therein. Much of this comes from an older v1.3 SSD inside a 1.4 enclosure with access to TB4/USB4 compatible ports. But these results fall far short of what I’d expected to see:

Yoga Pro 9i Shows Incredible SSD Speed Variations.acasis

This looks like results for a typical USB 3.x UASP device IMO

In fact, I got at least some better results from a less-capable Crucial CTP2000P3SSD8 (2TB, NVMe 1.3) inside a less capable enclosure (Sabrent EC-NVME: USB 3.1 Gen2) in the slower USB-C 20 Gbps port. Here they are:

Yoga Pro 9i Shows Incredible SSD Speed Variations.sabrent/crucial

Big bulk reads (top left) are much faster, but everything else is (mostly) slower.

There’s a lot of interesting stuff going on here. What I take from it is that for the fastest backups and big file transfers (video, AI models, and the like) you’re better off spending more on a faster enclosure and a faster SSD to get the most out of the connection. I’m going to have to systematize this, and run some more tests. Great fun!

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Pondering AI PCs Means TOPS

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Since last Friday (April 26) I’ve been working with the Lenovo Yoga Pro 9 laptop. It’s also called a Yoga Pro 9i. I’m a little mystified by the “i” that comes and goes for this device name. If you look at the lead-in graphic you can see the User Guide calls it “Pro 9i” while Lenovo Vantage calls it “Pro 9.” It’s an early AI PC from Lenovo, which means it has a Copilot key and a built-in AI processor, aka NPU (Neural Processing Unit). As I’m now learning, pondering AI PCs means TOPS (trillions of AI or “tera” operations per second) matter — a lot!

If Pondering AI PCs Means TOPS Matters, What’s the 9(i) Got?

According to Intel Ark the name of the NPU integrated into the Intel Ultra Core i9 185H CPU is “Intel AI boost.” Otherwise, there’s precious little info available about its capabilities except for the frameworks it support. For the record, those are Intel’s own Open VINO, WindowsML, DirectML and OMNX RT.

I had to turn to Copilot to get more information about the 185H NPU. Here’s what it told me:

Intel’s Core Ultra “Meteor Lake” offers an AI Boost NPU with 10 TOPS

Since I’ve learned to verify whatever Copilot tells me, I found this stat verified at Tom’s Hardware in an April 9 story. When I asked Copilot directly “What’s the TOPS rating for the AI Boost NPU in the Intel i9 185H?” it came back with a higher number that I couldn’t verify. Here’s what it said:

The Intel Core Ultra 9 185H processor features an AI Boost NPU that can perform approximately 34 trillion operations per second, which translates to 34 TOPS (Tera Operations Per Second)12.

The second source it cites may explain this apparent discrepancy, though: the 10 TOPS is what the NPU itself contributes. But Arc and NVIDIA GPUs can also support the same AI frameworks mentioned above, and can thus add to a unit’s overall TOPS rating.

Put this into more Copilot context that asks if it itself can use NPU resources:

Microsoft Copilot is now set to run locally on AI PCs with at least 40 TOPS (Tera Operations Per Second) of NPU (Neural Processing Unit) performance.

Given that the Yoga 9(i) comes close to that number, I’m still wondering if it qualifies or not. So far, I can’t find any details that lead me definitively to an unequivocal “Yes” or “No.” Sigh.

The Next Generation Gets It, For Sure?

Another Tom’s story, also dated April 9, says the next “Lunar Lake” generation will include an NPU rated at 45 TOPS. Further it also asserts that PCs with such chips will offer 100+ TOPS overall when they become available. AMD likewise says it will play in that same ballpark, as will the Snapdragon X Elite chips.

I’m still unsure as to whether or not my current review unit — that is, the Lenovo Yoga 9(i) has enough AI oomph to run Copilot workloads locally. I’ll keep banging away at this, though. Eventually, I’ll figure it out. At this point, I’m still at the start of the learning curve…

Rereading Tom’s Hardware I See This…

The Tom’s Copilot Locally story relies mostly on quotes from Intel to set things up — namely, from Todd Lewellen, VP of Intel Client Computing Group. He says:

“[..]And as we go to that next gen, it’s just going to enable us to run more things locally, just like they will run Copilot with more elements of Copilot running locally on the client. That may not mean that everything in Copilot is running local, but you’ll get a lot of key capabilities that will show up running on the NPU.”

This seems pretty clear that the current generation — including the Core Ultra i9 185H in the Lenovo Pro 9i  — does NOT fall under this umbrella. That said, I think it leaves open whether or not it will make any difference for other AI workloads. Should be interesting to get to the bottom of this!

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Lenovo Yoga Pro 9 Intake

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When I got home from a visit to a dental lab around lunchtime on Friday, the Boss asked “Were you expecting a package?” I’d asked Lenovo to send me a Yoga Pro 9 earlier that week, so my answer was a tentative “Maybe…” And sure enough, that’s what it was. Over the weekend, I had time to get through all steps in the Lenovo Yoga Pro 9 intake process. It proved more interesting — and educational — than I expected…

What I Got for Lenovo Yoga Pro 9 Intake

There were some interesting surprises in what showed up. Basics of the unit’s configuration include:

  • Intel Core Ultra 9 185H (Meteor Lake/13th Gen+)
  • 32 GB LPDDR5x-7467 (soldered)
  • Hynix 1TiB NVMe SSD PCIe x4
  • 16″ Lenovo LEN8BAI Monitor 3200×2000 resolution monitor
  • Intel Wi-Fi 6E AX211 network adapter
  • Intel AI Boost NPU & Copilot key

There’s more, but I’ll get to some of that in the next section. The main reason I requested a short loan of this formidable PC was for access to a machine with NPU and Copilot key to take them for a spin. Looks like this unit retails for around US$2,100 at the Lenovo Store.

What I  Learned During the Intake Process

TLDR answer: LOTS of things. I’ll elaborate by noting first that the unit came with Windows 11 Home installed (immediately upgraded to Build 22631.3527 Enterprise). Because I usually interact with most PCs — personal, production and test/loaner units — via RDP, sticking with Home was not an option for me. It’s OK: because I’m an MVP I get a MAK key for Enterprise as part of my Visual Studio subscription. Lenovo will destroy my image upon its return anyway. But if you decide to purchase one, you can indeed configure it with Pro for a mere US$2 extra. That’s what I’d do, for sure…

I found myself a little mystified by the new Meteor Lake Intel Core Ultra 9 185HCore Ultra 9 185H CPU. Intel refers to this CPU as “formerly Meteor Lake” but doesn’t really assign a “Generation” number. Its Intel home page studiously avoids mentioning such info. My unit was built in early February 2024 according to its outside sticker. Its Intel Ark page describes it as Intel Core Ultra processors (Series 1) so it looks like NPU endowed chips are starting a new numbering scheme instead. This should be interested to see play out, expecially with Snapdragon X systems on their way into this same niche.

I also observed that read/write speeds vary significantly by USB-C port type. As you can see in the next graphic, port3 is USB -C 20Gbps, and 4 is Thunderbolt 4. These produce “interesting” benchmark results where one is noticeably faster than the other for some values. Indeed, TB4 is faster for 1M read and 4K random writes, while USB 4 is faster for 1M write and 4K random reads. Others are more or less a wash. I’m going to have to try faster SSDs to see if that makes a difference (I suspect it will).

Lenovo Yoga Pro 9 ports (left & right sides)
Lenovo Yoga Pro 9 ports (left & right sides) [Double-click image for full-size view]

What About AI Stuff?

I can tell that Copilot runs faster on this laptop than on other, older models (even a ThinkPad P16 Mobile workstation with a 12th-Gen i9-12950HX CPU but no NPU). But other than that I haven’t really messed around enough with Copilot and other AI functions to get a sense of the differences. Stay tuned! I only get to keep this unit for a month, so I’ll be writing about it regularly over the next few weeks.

Other Observations

Here are some bullet points that reflect other stuff I noticed while unpacking, setting up and using the new Lenovo Yoga 9 Pro:

  • The shipping materials proudly proclaim “plastic-free packaging” in several places on the boxes. Two egg-crate holders supported the laptop, with one small internal cardboard box for the brick and power cord. There was some soft material labeled 22/PAP between the upper and lower decks of the clamshell. Ditto for the label on the black bag inside which the laptop itself was sitting. The material uses a plastic-recycling symbol (three arrows forming a triangle) but lookup tells me … yep, it’s paper! Even the twist-tie that held the power cord together was covered in brown paper. Good job, Lenovo.
  • For some unholy reason, Lenovo included McAfee AV on the Yoga 9 Pro. I uninstalled it right after I performed the OS updates on that PC. Defender is fine with me: I no longer use much, if any, third party security software.
  • Have to laugh: the Copilot key is a big deal on these new Windows AI-Ready PCs. But the onscreen keyboard (Ctrl+Winkey+O) does not include such a key. I bet MS will fix this before these AI-Ready PCs get into wider circulation.
  • The Open Source Snappy Driver installer (SDIO version) gives the drives already installed on this laptop its blessing. It’s not an absolute guarantee that everything’s up to date, but it’s pretty darn close. Good-oh!
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Is ARM In Your PC’s Future?

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I just saw an interesting story over at Windows Latest. It’s entitled Microsoft; Industry considers Windows on ARM as the future of computing. We’ve seen Windows on ARM for 3-plus years now. But so far, the user experience has been more under- than over- whelming. Nevertheless,  I’m inclined to agree that ARM has revolutionary PC potential going forward.  Thus IMO it IS reasonable to ask: Is ARM in your PC’s future? Let me explain… as you look at the CPU package in the lead-in graphic (Image Credit: AnfraShop.com).

Why say: Is ARM In Your PC’s Future?

I’ve been writing ongoing tech briefs for HPE, around the  ProLiant server family since last December. Much of my research, analysis and reporting has centered around ARM CPUs. Specifically, I’ve been exploring benefits they confer on cloud-based servers vis-a-vis top-of-the-line x86 Intel and AMD processors :

  • Energy efficiency: ARM CPUs routinely deliver the same or better performance as the other CPUs, but consume 50-70% less power.
  • Footprint: ARM CPU-based servers require only 1/3 the physical space (and volume) of their intel or AMD counterparts. That means either major savings on rack space, cooling, cabling and yada-yada, or 3 times as much capability in the same space.
  • Predictable and improved performance: ARM (Ampere Altra and Altra Max) CPUs use a single constant clock speed and lots of cores to keep things in synch and running smoothly. They can handle higher loads, faster and more predictably (with less jitter, too) than the competition.
  • High core-count ARM CPUs (Ampere Altra and Altra Max) can handle AI workloads without needing supplementary GPUs to offload or assist with such processing. Considering that the latest high-end Blackwell NVIDIA GPU is expected to cost US$30-40K, that’s HUGE (the current spot price for the top-of-the-line Ampere Altra Max M128-30 is US$2,305).

Pretty amazing, eh? It’s already shaking up the cloud and data center server market in a big, big way.

What Does This Have to Do with End-User PCs and Laptops?

Right now, not much. But in general, the ARM processors all share the smaller footprint and improved energy efficiency characteristics that help set the high-end ARM server CPUs apart from intel and AMD. They won’t offer anywhere near the same number of cores, and they’re also likely to use multiple core types (Ampere Altra uses only single-threaded cores, all identical, all in lock-step).

A March 13 MS announcement about worldwide availability of an “ARM advisory service for developers” had this to say about ARM silicon:

This is no surprise, as many across the industry consider Windows on Arm devices as the future of computing, with unparalleled speed, battery life, and connectivity.

Like me, MS apparently sees the uptake of the advantages that ARM architecture brings to computing having a significant impact at the end-user level. This is going to be interesting to watch unfold. It’s going to be even more fun to play with and test, to see if the running gear lives up to the breathless hype. If the benchmarks that Ampere and HPE are publishing are any indication, this could very well shake up desktops and laptops over the next year or two, as it’s already doing so for the rack-mounted server market right now.

Will the next PC/laptop I test have an ARM CPU? Gosh, I hope so. Will the next PC/laptop I BUY have an ARM CPU? Jury’s still out, but it’s looking at least possible, if not downright likely…

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NirSoft BatteryInfoView Works Well

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I admire the heck out of Israeli software developer Nir Sofer. He’s the person behind the powerhouse utility provider NirSoft.net, where you’ll find nearly 200 (177 at last count) great Windows utilities ready for download and use. I just got reminded about his nifty BatteryViewInfo took in a recent AskWoody newsletter. Indeed the free NirSoft BatteryInfoView works well, and provides lots of useful battery status and health information. See a typical display from my 2018 vintage Lenovo ThinkPad X380 Yoga in the lead-in graphic.

Why say: NirSoft BatteryInfoView Works Well?

As you can see from the screencap above, BatteryInfoView (BIV) tells you pretty much everything you need to know about any given PC (laptop, tablet, etc.) battery. The current capacity and battery health values tend to be of greatest interest.

And indeed, Lenovo offers a battery settings control, for which it claims that setting maximum capacity to around 80% will result in longer battery life. I believe that translates into better battery health over time. Here’s what the X380 shows under battery charging threshold in the Battery section for Lenovo Vantage:

NirSoft BatteryInfoView Works Well.batset

Note: Charge threshold is turned on. Charging starts at 75% and stops at 80%. [Click image for full-size view]

Notice further that in the lead-in graphic, battery health is 92.8%. On my Lenovo ThinkPad X1 Extreme, which I obtained in 2021, I did not reset the battery threshold on that PC. Thus, even though it’s two years newer than the X380, its current battery health number is 89.3%. That’s about 4% less. To me, it shows that Lenovo’s recommendations to lower the stop and start values for charge levels really do have an impact on battery life. It’s not huge, but it’s not nothing, neither.

It also shows how a good tool can help admins and power users get the most from their technology investments.

Copilot Weighs in on Battery Health

Just for grins I asked Copilot “Working from NirSoft’s BatteryInfoView utility, at what level of “Battery Health” should one consider replacing the battery?” Copilot hemmed and hawed but ultimately said this:

In general, if the “Battery health” value is consistently below 80%, it may be a sign that the battery is deteriorating and may need to be replaced soon. However, this is not a hard and fast rule, and other factors such as the age of the battery, the usage patterns, and the operating conditions can also affect the battery life and performance. If you notice that your laptop’s battery is not holding a charge as long as it used to, or if you are experiencing other issues such as overheating, slow performance, or unexpected shutdowns, it may be a good idea to have the battery checked by a professional or replaced if necessary.

My original impression comes from translating a story from German into English for Tom’s Hardware back in the early 2000s. Even then, their research showed that a regime of reducing charge level was the best way to keep a laptop battery healthy in the long run. I wish I could find a link to that story (but I can’t) but they recommended dropping battery charge levels to 40% for long term storage, and recommended not charging batteries to over 80% if a PC remains plugged into AC power. Regular deep discharge cycles were also recommended. A 2023 Tom’s Hardware forum thread still cites the 80/40 rule, in fact. Sounds like the old rule is still cool.

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Cool Tools, Hardware Reviews, Recent Activity, WED Blog, Windows 11

Panasonic FZ-55 Semi-Rugged PC

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OK, then. I got a half-hour+ with a Panasonic team yesterday via Zoom. This group of folks included a couple of engineers, a couple of marketing folks (including the US product manager), and the PR person who put things together for me. The focus of our call:  the Panasonic FZ-55 Semi-Rugged PC shipped out for eval just before Christmas. It was a great call: I learned a lot.

Understanding the Panasonic FZ-55 Semi-Rugged PC

The best info nugget in the call: learning the FZ-55 Toughbook is a “semi-rugged” device. I also learned that the category of “ruggedized PCs” includes a “fully rugged” type as well. I snapped the default desktop background from the FZ-55 for the lead-in graphic: it’s pretty cool.

Semi-rugged PCs use cases invovle “somewhat harsh” conditions. But they’re not completely watertight or dust-proof. That’s what distinguishes them from fully ruggedized PCs (which indeed are water- and dust-proof). That said, as a  semi-rugged PC, the FZ-55 targets  use in field structures (including tents, vehicles, and so on). It’s also great for factory-floor conditions where there’s no airborne water (e.g. rain). Here’s a link to the US specsheet for the FZ-55.

Such PCs can handle wide temperature ranges (at least -25C/-13C to at least 50C/122F). They’re also built to withstand ambient dust and grit (with port doors closed), moderate vibration and shock, short-lived spills or moisture, and more. As one of the Panasonic techs explained “The FZ-55 is intended for use away from the weather, but works well in vehicles, tents, or other temporary strucures.” That’s because it’s semi-rugged: got it!

What About Fully Rugged (Toughbook 40)?

The Toughbook 40 is the FZ-55’s fully rugged counterpart. As you can see in the next image, it’s completely sealed up to make it water- and dust-proof.

Panasonic FZ-55 Semi-Rugged PC.tb40

The Toughbook 40 is fully ruggedized: that makes it bulkier but completely dust- and waterproof.

It’s got the same modular design, with user-removable expansion packs that include various port combinations, storage and memory add-ons, oodles of wireless options, and more. Surprisingly, it costs only around 25% more for similar equipment as compared to the semi-rugged FZ-55.  Peripherals and expansion modules are about 50-60% higher, on average. That said, the Toughbook 40 is an 11th-gen Intel platform not a 13th-gen platform. Thus, it lags somewhat behind the FZ-55 but with good reason, as I explain next.

A Tale of Two Lifecycles

Simply put, the FZ-55 is on a faster lifecycle than the Toughbook 40. In part that’s because fully-ruggedized PCs have a longer design and test cycle. It’ also because fully-ruggedized PCs have to be bigger and bulkier, to seal everything up. They require more expensive and demanding parts, with various related supply chain complications. In large additional part, however, it’s also because fully rugged devices aim more squarely at defense and emergency use (think FEMA, after a hurricane or firestorm). These agencies have hairy, complicated acquisition and purchase models and mechanisms, and don’t like things to change more often than absolutely necessary.

The upshot of all this is that semi-rugged devices run on a 3-5 year lifecycle for enclosures and platforms, with an 18-24 month lifecycle for the innards involved. That explains the FZ-55-3 model number, which indicates this platform (FZ-55) is on its third set of innards (3). On the other hand, the rugged PCs run on a 5-8 year lifecycle for enclosures and platforms, with a 36-48 month lifecycle for those innards. That explains nicely why an 11th-gen intel CPU remains a “current model” (this CPU family made its debut in early 2021, and is still inside the current window for both enclosure and innards).

That’s how things go in Windows-World, where semi-rugged PCs chug along on a faster timetable than fully rugged ones. Cheers!

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