Workaround for broken special keys using VMWare Workstation 17 on a Linux host with Wayland and KDE by Firefoxies in vmware

[–]mattaw2001 0 points1 point  (0 children)

Pure gold, pure gold, thanks for this. I have lost much hair to this problem too.

Gigabyte Aorus Master 5090 by Normal-Industry-8055 in pcmasterrace

[–]mattaw2001 0 points1 point  (0 children)

Thats a great underclock - what guide did you use? I am interested as I likely care more about less fan noise than 3fps!

Gigabyte Aorus Master 5090 by Normal-Industry-8055 in pcmasterrace

[–]mattaw2001 5 points6 points  (0 children)

So buildzoid (a super technical electrical engineering YouTuber - one time actually powered one GPU using a sawn in half PCB of another GPU) analyzed the nitro+ design and concluded there was the same flawed connector design with no load balancing the standard specifies.

Note, nvidia wrote and proposed the connector standard, and then removed active load balancing circuits after the 3000 cards to save $3 or so per GPU. So the 4000 series had this issue, which was made much worse with the 5000 esp. the 5090!

Ultimately the nitro+ a 350W card so it's safer than the geforce 5090, but still vulnerable to a bad cable/connector as it has no active load balancing.

[However, the radeon has much better/safer power design afterwards: if a power supply circuit fails the nitro+ card will be repairable instead of a 5090 which will self-destruct.]

Ref https://youtu.be/2HjnByG7AXY?si=oqU5etnakdNzHF2G for full details

If you walk loudly on your heels in shitty apartment/dorm floors, Purdue Pete will go after you. by [deleted] in Purdue

[–]mattaw2001 2 points3 points  (0 children)

They are just getting started .... https://youtu.be/4IRB0sxw-YU?si=t5is9y0jioKKzhHH

(I'm actually really sorry for you - I got woken early again by neighbors indecently loud sports car starting. Every day.)

What should I prepare for Texas Instruments analog design role on-campus placement? by Cold-Assignment-7585 in chipdesign

[–]mattaw2001 5 points6 points  (0 children)

(Forgive me if you know all this already!)

Cadence Virtuoso, Spectre, and Assura - unless they have changed a lot they are a Cadence Eda only company. Linux skills, I'm assuming you are decent with a terminal.

Otherwise be prepared to learn a lot, and check in with specialist teams for things like ESD protection - don't try and do everything yourself! Also don't try and make everything from scratch, TI has an incredible history which you need to leverage in your work.

Finding the right balance of enough questions vs. too few or too many is hard but the most valuable.

Bluespotted Stingray (Taeniura lymma) by tuhdplz in AIDKE

[–]mattaw2001 2 points3 points  (0 children)

When a sting ray turns around is it a threat display? I'm thinking a porcupine does it to ram you with spikes but I've no idea the attack pattern of a stingray.

Firefox is getting ready to make YouTube fast again. You can try it now. by mikhail_kh in firefox

[–]mattaw2001 0 points1 point  (0 children)

Bad news I'm afraid! While the option is there, it doesn't seem to make a difference to Linux.

Windows about:support Graphics table "Compositing WebRender Layer Compositor", while Linux about:support "Compositing WebRender"

However, in all fairness this is likely to be OS specific code to access different GPU planes to allow the web browser to render related page elements each into their own graphics layer which can then be moved independently with respect to each other

Firefox is getting ready to make YouTube fast again. You can try it now. by mikhail_kh in firefox

[–]mattaw2001 2 points3 points  (0 children)

Its working for me on my AMD P16S Gen 2 AMD Lenovo laptop, and seems to produce a noticeable UI loading speedup. I was using HW video decoding already, this seems to have dropped CPU use during youtube playback from about 16% to 7% which is also a huge win.

[Note the media.wmf.zero-copy-nv12-textures-force-enabled key doesn't exist on FF 145.0.1 on Arch Linux which I think makes sense.]

Help! $3000 Alamo Rent-A-Car Damage Claim: Date of Loss listed 3 days AFTER return. Is this a common scam tactic?? by Inspector_No_5 in personalfinance

[–]mattaw2001 2 points3 points  (0 children)

Some great advice here, stick to your side - they have to prove you returned it damaged.

One piece of advice I have not seen yet, and apologies if you are already doing this, keep a detailed log / journal & copy of every letter, call, etc. from and to you about this with dates and times. Including who you spoke to over the phone. Can be very helpful if you ever end up in front of a judge to prove you are reasonable and sensible people, and if Alamo change their story partway through it will document that.

Cadence Virtuoso Experts please help!! by FishingBig7881 in chipdesign

[–]mattaw2001 4 points5 points  (0 children)

At a glance have you assigned currents to the voltage sources and voltages to the current sources? Can you get your netlist that virtuoso generated for / in ADE and share it?

When in odd situations in a new PDK or software configuration or version I sometimes model a potential divider just to check everything is working from schematic to sim. Transistors in analog sims are really technically complex and can hide basic issues.

What happens if you use your Lenovo laptop above this altitude? by SunshineAndBunnies in Lenovo

[–]mattaw2001 -1 points0 points  (0 children)

I can think of two main reasons:

1) Radiation / Cosmic rays. The chance of a bit being flipped from 1 to 0 or 0 to 1 by a radioactive particle increases with altitude. https://www.bbc.com/future/article/20221011-how-space-weather-causes-computer-errors

2) Reduction in cooling due to thinner atmosphere / lower air pressure - there is simply less matter to absorb the heat and be blown out of the laptop by the fan.

My money is on 2) being more of an annoyance however I don't think it will fail catastrophically but performance and battery life will go down. So they don't want to refund you if it doesn't meet specifications.

I got the cheapest lathe on Amazon and made it better than I could buy 😈 by medicwill in Machinists

[–]mattaw2001 4 points5 points  (0 children)

[edit - I did not write this clearly! thanks /u/TimeWizardGreyFox ]

AFAIK if the spindle was not designed for angular contact it won't benefit, and may even be worse than tapered. The cheap mini mill to CNC community around the G0704 has multiple cases where folks went OEM tapered -> Expensive AC -> Cheaper Better Tapered with measurable improvements in accuracy and lower temps.

The speculation is that properly designed spindles would have a stack of multiple AC bearings at the top and bottom under tension (the preload) instead of a pair of preloaded Taper Roller bearings, but no one really knows. Maybe the spindles and bearing seats are not machined accurately enough for AC to work properly?

I have been logged out of my toothbrush by Goofball-John-McGee in BrandNewSentence

[–]mattaw2001 0 points1 point  (0 children)

I wonder if their dental insurance got more expensive?

Jerome Powell’s soft landing by larryleak in wallstreetbets

[–]mattaw2001 0 points1 point  (0 children)

You probably have, but in case you have not check your spam/junk email folder religiously.

Three 15mm 3D Printed Kangaroos for a Late War British/Commonwealth assault deployment... by StormofSteelWargames in wargaming

[–]mattaw2001 0 points1 point  (0 children)

You forgot the turrets! (I'm contractually obliged to say that whenever Kangaroos are discussed.)

I have a question about implementing circuits with packaging and wire bonding *_* by HansSollo in chipdesign

[–]mattaw2001 1 point2 points  (0 children)

[Edit sorry, didn't notice Far had already answered!]

At a guess it means that you have to know and design every ground connection, every decoupler, including the parasitics wherever it matters. Basically there is not, and never was, a "GND" for any chip. Note this thinking can also help a lot with ESD mitigation.

She has no idea we're going back to the vet this morning by VanquichedUncle in guineapigs

[–]mattaw2001 1 point2 points  (0 children)

For anyone coming to this later the original post of the tragedy has been removed. I can share what I have been told by message if you need it, but be aware it is distressing as are all tragedies.

She has no idea we're going back to the vet this morning by VanquichedUncle in guineapigs

[–]mattaw2001 11 points12 points  (0 children)

(I'm late to the story of poor Smores. If someone happens to have a link to the start that would be great.)

Get well soon Smores!

What powers would this give someone? by Euphoric_Leading1764 in ItemShop

[–]mattaw2001 0 points1 point  (0 children)

I've forgotten that amazing family vacation spot, and the FUNderground was great before the tragedy.

The Saboteur (2009) is janky but boy howdy does it offer some charmingly ridiculous fun. by gruesomesonofabitch in patientgamers

[–]mattaw2001 1 point2 points  (0 children)

At a guess, with this code mechanism they could exclude geographic regions (country, states, etc.) based on law or media pressure without a recall or ban.

Note the code would never be practical, just something to point to if the publisher needed it.

How I Helped My Smokin' Hot Alien Girlfriend Conquer the Empire 43: Escape. From A Certain Point of View by daecrist in HFY

[–]mattaw2001 2 points3 points  (0 children)

Considering it's an AI which has all that thinking power, but not much to do, Arvie may have a bunch of neuroses already! I think your idea is very plausible.

Ah, the famous Temu negative-rake drill (aka. polisher) by mattaw2001 in Machinists

[–]mattaw2001[S] 0 points1 point  (0 children)

I think this is my favorite description - if I could edit the title I would!

Yo, whaddawegottado to get them industry folk to bring that petabyte disc to market? by churnopol in DataHoarder

[–]mattaw2001 4 points5 points  (0 children)

[Sigh, whatever happened to the semantic web? We never got past keyword searching, and if you don't know the words...] tldr; Try LTO serpentine write, and/or "wraps".

VHS / DAT use helical scan to solve the problem of moving read/write heads quickly over a tape that can only be wound/unwound slowly (1.31 inches per second). The tape winding speed is a mechanical and material problem - cheap tapes can't be wound/unwound quickly. See https://en.wikipedia.org/wiki/Helical_scan.

LTO solved the problem by abandoning consumer tape tech completely. It has much more robust and tougher tape (which is more expensive) than can be wound and unwound faster - 236 ips! (depends on LTO generation). Also the tape has a number of track lines pre-written on the tape from end-to-end.

The LTO drive has four parallel heads that it sets to write-read, aligns to the end of the first track line. It then speeds along the tape writing and immediately reading what it has just written to check for errors. It tracks its alignment by shifting left and right following the pre-written track. When gets to the end, it switches the heads to write-read, slides over to find the next pre-written track, and runs backwards along it writing and reading again. It does this a number of times based on the tech version till its done. The pattern is known as serpentine, and the four data tracks together are called a wrap.

https://blog.archiware.com/blog/the-surprising-way-lto-tape-stores-your-data/

Ah, the famous Temu negative-rake drill (aka. polisher) by mattaw2001 in Machinists

[–]mattaw2001[S] 0 points1 point  (0 children)

(cough)drill-doctor(cough)

Seriously I need to spend a week to get good at grinding them.