Re: (SOLVED - defective FPU) How hot should an 8087 FPU be at idle? I'm getting 55-60 deg C... And other 8087 questions

Posted on 2021-02-25, 01:51

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://dougx.net/gaming/coproc.html http://www.ray.masmcode.com/tutorial/fpuchap3.htm#FWAIT Bonus pic of something I found on the hard drive, which put a smile on my face: https://i.imgur.com/Iq1VeHCl.jpg Aw, the good old NCC1701! :cool: ..or is it the NCC1701A already ? ;) These are amazing …

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Re: (SOLVED - defective FPU) How hot should an 8087 FPU be at idle? I'm getting 55-60 deg C... And other 8087 questions

Posted on 2021-02-24, 03:11

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well, after a day of being on, no hangups. Def. bad FPU. Thanks for the foray into the 8087 :D I seem to recall an AMD 80287 passing through my hands in the late 90s (I could totally be mistaken) and wanting to hold onto it - I *may* have stuffed it into a friend's dad's old 286 (which he threw out …

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Re: How hot should an 8087 FPU be at idle? I'm getting 55-60 deg C... And other 8087 questions

Posted on 2021-02-23, 05:35

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I put the Chinese FPU back in, within 10 minutes I was having issues with data errors when reading drive c:, random crashes, etc. So, I soldered a leg to my old 8087 after putting it in the socket (I tried to run it without the leg - no dice) and after 30 mins of stress testing and messing around, …

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Re: JUKO NEST XT board questions (manual attached)

Posted on 2021-02-22, 03:54

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Robin4 wrote on 2021-01-22, 05:23: If you can put it here online on the forum that would be nice. If iam going to test my 8086 NEC V30 motherboard i will also upload those roms as well. What are you using to dump the ROM? Usually I use NSSI, but when I run it on the V30, I get a text summary only.

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Re: How hot should an 8087 FPU be at idle? I'm getting 55-60 deg C... And other 8087 questions

Posted on 2021-02-21, 15:08

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hey Nick, That's a good idea, I should check the board's FPU socket *edit checked - pins have perfect continuity - looks like I'm soldering on a leg (after midterms, I've clearly procrastinated enough). It was 4AM when I put this away lol. Also, this hard drive is loaded with CAD and other programs …

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(SOLVED - defective FPU) How hot should an 8087 FPU be at idle? I'm getting 55-60 deg C... And other 8087 questions

Posted on 2021-02-21, 09:22

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So my super authentic 8087 from China is overheating badly... I wasted 4 hours trying to track down all the gremlins in the JUKO system when I accidentally touched the FPU: 57 deg. Celsius according to my point-and-shoot laser thermometer. I seriously thought I lost the system - random floppy read …

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Re: What retro activity did you get up to today?

Posted on 2021-02-20, 01:24

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

And the small space where all this madness is kept! https://i.imgur.com/L0mY4V8l.jpg Hahha my parents "gave" me the stackable washer/dryer room when I was 12 - I set up a lamp, a workbench, and shelving in there. Had to work with the door open though. I know this feeling! Before work today, my son …

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Re: post up pics of your "computing area"

Posted on 2021-02-12, 15:06

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Law212 wrote on 2021-02-12, 13:57: I read that as "cream filling cabinet" sounded delicious. LoL - beetus filing cabinet.

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Re: post up pics of your "computing area"

Posted on 2021-02-12, 03:42

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

This is my updated retro corner That's quite clean. I like it. Thanks! There's gonna be a 386 there, the 486 moved to the side, and a P233 MMX off to the side (on top of cream filing cabinet) and a KVM underneath the desk. Depending on how cramped it might get, I might put the 386 (in a 5160 sized …

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Re: What game are you playing now?

Posted on 2021-02-06, 05:09

by

by Jed118

in Milliways

in Milliways

Does anyone else just feel tired of PC Gaming sometimes? I spent most of my entire teenhood playing TF2 daily with online friends, hours and hours on end. When I was alone I'd spend my allowance on steam sales and binge great titles like Saints Row 3, or Borderlands. Im 22 now and I just can't …

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Re: What game are you playing now?

Posted on 2021-02-06, 04:21

by

by Jed118

in Milliways

in Milliways

I'm just happy that I can fire up the DX4 and play CIV2, badly as it is going 🤣

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 23:39

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Nice setups all around, one day I'll build a part 2 in the basement when that gets redone. Inspiring photos! I've also just made the push out into our garage space. We had the house extended last summer and I've finally got space in the garage for my other hobby: cars! But as part of that, I decided …

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 21:10

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Nice job on the remodel. I really like the flooring you picked out. The drywalling looks great it's a tough thing the first few times you hang it. It's the reason why I subbed that part out when we remodeled our house the rest me and my father in law did ourselves. I had a friend do the subfloor …

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 20:14

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

OK here we go: https://i.imgur.com/nyvUshjh.jpg I did the floors, baseboards, and quarter round myself - that part I can say 9/10, baseboards need paint but for now they're presentable. It used to be a shitty carpet that a dog pissed on and then a teenager lived in (by the multiple pop stains of the …

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 19:46

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Salient wrote on 2021-02-04, 19:37: Desk as of december 2020 😀 I really need to get some MIDI in my life. Nice:D

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 19:45

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

I love the classic phone near the computer!!! Is it still working? I think it actually does work, but there's no POTS in my house. Higher res pics please! Looking good! Haha, I'm afraid I didn't do a stellar job on the wall transitions and taping (corners came out OK though) - they're 6/10, I could …

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Re: post up pics of your "computing area"

Posted on 2021-02-04, 18:11

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

This is my updated retro corner - It is not in its final stage, there will be two more PCs stuffed there and a KVM, as well as (FINALLY) a network connection for each one, and also I need to clean up the shelves a little. https://i.imgur.com/Db2phyjl.jpg This space used to be a light shaft that went …

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Re: Windows 98 + XP but sneaking in an XP partition after Win 98 install, with Ghost

Posted on 2021-02-04, 18:01

by

by Jed118

in Marvin \ Software

in Marvin \ Software

Thanks, I'll give that a shot over the weekend. Worst case, I'll reinstall - I don't know if XP deletes everything prior to installing (like DOS does, at least everything in the DOS directory) so if my drivers are there, they should be picked up. Just in case, I'm going to note the files and names …

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Windows 98 + XP but sneaking in an XP partition after Win 98 install, with Ghost

Posted on 2021-02-03, 04:45

by

by Jed118

in Marvin \ Software

in Marvin \ Software

Run of the mill early P4. So I installed 98 on this extra 40 GB hard disk (8 GB FAT32) and I partitioned the extra 32 GB to NTFS (using the XP installer off CD) and then rebooted it when the first XP files started copying to the NTFS partition. Then, I stuck in the original hard drive (20 gb), which …

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Re: What retro activity did you get up to today?

Posted on 2021-02-02, 16:36

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well, the burner is a sony (rebranded lite-on) and what I like the most about it is that the open/close mechanism for the tray uses only gears, it does not have any rubber band, so with proper cleaning + lubricating, it should work well for a long time (providing the laser does not die, LOL). I now …

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