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On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months and there is no malfunction after cleaning
and drying it throughly. Machine is still as fast as it was when I
bought it 5 years ago.
On Tue, 09 Aug 2022 15:15:19 +0100, John Larkin <jjlarkin@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 05:45:17 +0100, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Tue, 09 Aug 2022 03:45:09 +0100, Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:
Commander Kinsey wrote:
On Tue, 09 Aug 2022 02:14:44 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:
Commander Kinsey wrote:
I didn\'t know solid caps could break. This one shorted the 12V line on a
graphics card, unfortunately I have a 2.5kW supply, so the tracks got
damaged somewhat, it melted the solder, and ejected itself from the
board. Smelt of TCP (a disinfectant), presumably from the evaporated
paint?
https://imgur.com/jYet0zF
Gee, you forgot to cross-post to alt.scorekeeping.idiots and
rec.games.ropeadope.
What?
alt.comp.os.windows666 etc aren\'t super related to a computer repair
problem, I wouldn\'t have thought.
There are computer people in there.
Why does it concern you anyway? Just hit reply.
Inrush can kill any electrolytic capacitor. Some are more sensitive
than others.
It wasn\'t inrushing at the time. The card had been running without a
restart for a week or two. It\'s been running flat out 24/7 for the last
year doing astrophysics stuff on Boinc.
I\'ve never seen one of those break though, they\'re always the coloured
wet electrolytics that burst at the end and leak brown fluid.
Looks pretty wet to me.
What do you mean? If you\'re talking about the mess to the right, that\'s actually a piece of copper track for the ground that\'s burnt off the paint above it.
Sticking that right next to the (apparently
inadequately-sized, and certainly inadequately-vented) heat sink for the
SMPS switches isn\'t a recipe for long capacitor life.
Well it has to go somewhere, there\'s a lot of hot stuff on graphics cards. It also probably needs to be close to the other VRM stuff. Trouble is all these caps are also under the big heatsink for the main GPU which gives off up to 250W. That heatsink covers the whole card, there is nowhere cool.
Is this a gaming machine? Overclocked, overstressed, cheap, and
fundamentally useless?
I never overclock. They\'re used to run science applications. Boinc - a volunteer projects to run biology, astrophysics, etc.
On Tue, 09 Aug 2022 21:36:31 +0100, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Tue, 09 Aug 2022 15:15:19 +0100, John Larkin <jjlarkin@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 05:45:17 +0100, \"Commander Kinsey\"
CK1@nospam.com> wrote:
On Tue, 09 Aug 2022 03:45:09 +0100, Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:
Commander Kinsey wrote:
On Tue, 09 Aug 2022 02:14:44 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:
Commander Kinsey wrote:
I didn\'t know solid caps could break. This one shorted the 12V line on a
graphics card, unfortunately I have a 2.5kW supply, so the tracks got
damaged somewhat, it melted the solder, and ejected itself from the
board. Smelt of TCP (a disinfectant), presumably from the evaporated
paint?
https://imgur.com/jYet0zF
Gee, you forgot to cross-post to alt.scorekeeping.idiots and
rec.games.ropeadope.
What?
alt.comp.os.windows666 etc aren\'t super related to a computer repair
problem, I wouldn\'t have thought.
There are computer people in there.
Why does it concern you anyway? Just hit reply.
Inrush can kill any electrolytic capacitor. Some are more sensitive
than others.
It wasn\'t inrushing at the time. The card had been running without a
restart for a week or two. It\'s been running flat out 24/7 for the last
year doing astrophysics stuff on Boinc.
I\'ve never seen one of those break though, they\'re always the coloured
wet electrolytics that burst at the end and leak brown fluid.
Looks pretty wet to me.
What do you mean? If you\'re talking about the mess to the right, that\'s actually a piece of copper track for the ground that\'s burnt off the paint above it.
Sticking that right next to the (apparently
inadequately-sized, and certainly inadequately-vented) heat sink for the
SMPS switches isn\'t a recipe for long capacitor life.
Well it has to go somewhere, there\'s a lot of hot stuff on graphics cards. It also probably needs to be close to the other VRM stuff. Trouble is all these caps are also under the big heatsink for the main GPU which gives off up to 250W. That heatsink covers the whole card, there is nowhere cool.
Is this a gaming machine? Overclocked, overstressed, cheap, and
fundamentally useless?
I never overclock. They\'re used to run science applications. Boinc - a volunteer projects to run biology, astrophysics, etc.
OK. That leaves overstressed,
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months and there is no malfunction after cleaning
and drying it throughly. Machine is still as fast as it was when I
bought it 5 years ago.
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months
and there is no malfunction after cleaning
and drying it throughly. Machine is still as fast as it was when I
bought it 5 years ago.
On Wed, 10 Aug 2022 04:14:44 +0100, New Me <newme9088@gmail.com
wrote:
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months
Why? It\'s not necessary. Just blow all the dust out with a can of
compressed air.That\'s much easier and less risky.
On Tue, 09 Aug 2022 15:32:25 +0100, Mr. Man-wai Chang <toylet.toylet@gmail.com> wrote:
On 9/8/2022 7:54 am, Commander Kinsey wrote:
I didn\'t know solid caps could break. This one shorted the 12V line on a graphics card, unfortunately I have a 2.5kW supply, so the tracks got damaged somewhat, it melted the solder, and ejected itself from the board. Smelt of TCP (a disinfectant), presumably from the evaporated paint?
https://imgur.com/jYet0zF
Should have posted to alt.comp.hardware.pc-homebuilt?
I wasn\'t aware of that group.
On 08/09/2022 09:14 PM, New Me wrote:
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months and there is no malfunction after cleaning
and drying it throughly. Machine is still as fast as it was when I
bought it 5 years ago.
That sounds like a poor idea unless you\'re using DI water. In any case I
see not reason to do so. Blowing out the dust bunnies is good enough for me.
On Wed, 10 Aug 2022 04:14:44 +0100, New Me <newme9088@gmail.com
wrote:
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months
Why? It\'s not necessary. Just blow all the dust out with a can of
compressed air.That\'s much easier and less risky.
On Wed, 10 Aug 2022 07:51:48 -0700, Ken Blake <Ken@invalid.news.com
wrote:
On Wed, 10 Aug 2022 04:14:44 +0100, New Me <newme9088@gmail.com
wrote:
On 10/08/2022 03:07, Brian Gregory wrote:
On 09/08/2022 16:56, Marco Moock wrote:
Am Dienstag, 09. August 2022, um 00:54:19 Uhr schrieb Commander Kinsey:
I didn\'t know solid caps could break.
Of course they can. They can also pop like normal caps.
In 2015 I tried putting water on a broken laptop motherboard just to
try out what happens - and one solid cap popped and flew through the
room.
Just from water?
That\'s hard to believe.
That\'s hard to believe for sure. I wash my desktop\'s motherboard with
water every 12 months
Why? It\'s not necessary. Just blow all the dust out with a can of
compressed air.That\'s much easier and less risky.
Or sweep it with a paint brush. Take a minute.
On 10/8/2022 4:37 am, Commander Kinsey wrote:
On Tue, 09 Aug 2022 15:32:25 +0100, Mr. Man-wai Chang <toylet.toylet@gmail.com> wrote:
On 9/8/2022 7:54 am, Commander Kinsey wrote:
I didn\'t know solid caps could break. This one shorted the 12V line on a graphics card, unfortunately I have a 2.5kW supply, so the tracks got damaged somewhat, it melted the solder, and ejected itself from the board. Smelt of TCP (a disinfectant), presumably from the evaporated paint?
https://imgur.com/jYet0zF
Should have posted to alt.comp.hardware.pc-homebuilt?
I wasn\'t aware of that group.
You could cross-post next time. There is also sci.electronics.repair
which mnight be relevant as well.
On Wed, 10 Aug 2022 22:18:57 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Wed, 10 Aug 2022 18:29:56 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Wed, 10 Aug 2022 15:40:22 +0100, Ricky <gnuarm.del...@gmail.com> wrote:
On Wednesday, August 10, 2022 at 10:23:12 AM UTC-4, John Larkin wrote:
On Wed, 10 Aug 2022 06:15:35 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Wed, 10 Aug 2022 05:21:42 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 21:36:31 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Tue, 09 Aug 2022 15:15:19 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 05:45:17 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Tue, 09 Aug 2022 03:45:09 +0100, Phil Hobbs <pcdhSpamM...@electrooptical.net> wrote:
Commander Kinsey wrote:
On Tue, 09 Aug 2022 02:14:44 +0100, Phil Hobbs <pcdhSpamM...@electrooptical.net> wrote:
Commander Kinsey wrote:
One day GPUs will run LTspice simulations so that you don\'t need to use a calculator to solve for resistor values.
You don\'t need a processor that can do 20 trillion calculations in a second to find a resistor value.
I run sims that take 20 minutes to simulate milliseconds of real time.
What circuits are those? Must be something pretty complex.
I\'d love LT Spice to run on a GPU, maybe 500x faster.
Is it using multiple CPU cores? If it\'s a linear calculation, a GPU won\'t help. GPUs do thousands of things at once, but not that fast.
Just learn to write OpenCL code, how hard can it be?
I found this from 10 years ago on an LT Spice forum:
\"LTspice supports multithreading using all threads(cores) of
your CPU if the circuit is large enough.
The majority of the circuits we have had in this group can\'t
even take advantage of 8 threads. The latest 6 core CPU from
Intel supports 12 threads (6 cores plus hyperthreading) and the
8 core CPU with 16 threads is coming soon.
This means the many cores are good for really large circuits
in the simulation for IC-designs with thousands of transistors.\"
Take a 3 foot length of garden hose. Put one end in your mouth and blow
sharply, while directing the other end into the computer\'s nooks and
crannies.
On 08/10/2022 11:23 AM, Commander Kinsey wrote:
Take a 3 foot length of garden hose. Put one end in your mouth and blow
sharply, while directing the other end into the computer\'s nooks and
crannies.
I\'ll stick with my pancake compressor and an air gun, thank you.
On Thu, 11 Aug 2022 04:32:55 +0100, rbowman <bowman@montana.com> wrote:
On 08/10/2022 11:23 AM, Commander Kinsey wrote:
Take a 3 foot length of garden hose. Put one end in your mouth and blow
sharply, while directing the other end into the computer\'s nooks and
crannies.
I\'ll stick with my pancake compressor and an air gun, thank you.
You shoot your motherboard with an air gun? I assume you\'re operating
it without bullets or something?
And what the fuck is a pancake compressor? Pancakes are already flat,
they don\'t need compressing.
On 08/10/2022 09:49 PM, Commander Kinsey wrote:
On Thu, 11 Aug 2022 04:32:55 +0100, rbowman <bowman@montana.com> wrote:
On 08/10/2022 11:23 AM, Commander Kinsey wrote:
Take a 3 foot length of garden hose. Put one end in your mouth and blow
sharply, while directing the other end into the computer\'s nooks and
crannies.
I\'ll stick with my pancake compressor and an air gun, thank you.
You shoot your motherboard with an air gun? I assume you\'re operating
it without bullets or something?
https://www.harborfreight.com/air-tools-compressors/air-tools/blow-guns/blow-gun-with-safety-tip-and-rubber-tip-63577.html
It\'s so much easier just to blow with your own mouth.
Well, if your practiced with that sort of thing. Can you suck the chrome
off a trailer hitch too
And what the fuck is a pancake compressor? Pancakes are already flat,
they don\'t need compressing.
https://www.harborfreight.com/3-gallon-13-hp-110-psi-oil-free-pancake-air-compressor-57567.html?_br_psugg_q=pancake+air+compressor
Note: stuff you buy from China Freight may or may not work but those
were the first photos I came across.
The IT guy has a handy thing something like this:
https://www.newegg.com/black-metrovac-data-vac-pro-portable-vacuum-cleaner/p/1K5-0036-00001?Description=computer%20vacuum&cm_re=computer_vacuum-_-1K5-0036-00001-_-Product
but I already have a compressor and vacuum cleaner.
On 08/10/2022 11:23 AM, Commander Kinsey wrote:
Take a 3 foot length of garden hose. Put one end in your mouth and blow
sharply, while directing the other end into the computer\'s nooks and
crannies.
I\'ll stick with my pancake compressor and an air gun, thank you.
On Thursday, August 11, 2022 at 8:25:46 AM UTC+10, Commander Kinsey wrote:
On Wed, 10 Aug 2022 22:18:57 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Wed, 10 Aug 2022 18:29:56 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Wed, 10 Aug 2022 15:40:22 +0100, Ricky <gnuarm.del...@gmail.com> wrote:
On Wednesday, August 10, 2022 at 10:23:12 AM UTC-4, John Larkin wrote:
On Wed, 10 Aug 2022 06:15:35 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Wed, 10 Aug 2022 05:21:42 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 21:36:31 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Tue, 09 Aug 2022 15:15:19 +0100, John Larkin <jjla...@highlandtechnology.com> wrote:
On Tue, 09 Aug 2022 05:45:17 +0100, \"Commander Kinsey\" <C...@nospam.com> wrote:
On Tue, 09 Aug 2022 03:45:09 +0100, Phil Hobbs <pcdhSpamM...@electrooptical.net> wrote:
Commander Kinsey wrote:
On Tue, 09 Aug 2022 02:14:44 +0100, Phil Hobbs <pcdhSpamM...@electrooptical.net> wrote:
Commander Kinsey wrote:
snip
One day GPUs will run LTspice simulations so that you don\'t need to use a calculator to solve for resistor values.
You don\'t need a processor that can do 20 trillion calculations in a second to find a resistor value.
I run sims that take 20 minutes to simulate milliseconds of real time.
What circuits are those? Must be something pretty complex.
Or very quick, so you need a very small maximum step size. I\'ve ccertainly simulated circuits that simulated that slowly.
I\'d love LT Spice to run on a GPU, maybe 500x faster.
Is it using multiple CPU cores? If it\'s a linear calculation, a GPU won\'t help. GPUs do thousands of things at once, but not that fast.
Just learn to write OpenCL code, how hard can it be?
Then recode Berkely Spice in OpenCL code? It clearly wouldn\'t be hard, but it would be tedious.
I found this from 10 years ago on an LT Spice forum:
\"LTspice supports multithreading using all threads(cores) of
your CPU if the circuit is large enough.
The majority of the circuits we have had in this group can\'t
even take advantage of 8 threads. The latest 6 core CPU from
Intel supports 12 threads (6 cores plus hyperthreading) and the
8 core CPU with 16 threads is coming soon.
This means the many cores are good for really large circuits
in the simulation for IC-designs with thousands of transistors.\"
There were some feckless optimists around then.
110psi? That\'s shit. Mine does 5000psi. It\'s for scuba tanks.
Actually I could clean my board with a scuba tank.
On 08/11/2022 11:04 AM, Commander Kinsey wrote:
110psi? That\'s shit. Mine does 5000psi. It\'s for scuba tanks.
Actually I could clean my board with a scuba tank.
Scuba tanks are no fun. With that compressor you could get a PCP air
rifle and really rock.
https://www.umarexusa.com/2254829