Re: Just a thought: modern PSU, converting 12v to 5v

Posted on Yesterday, 23:56

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I actually have done this for my OLD NAS box. I took the PCI-e power. the +12v went to 6x 5v buck regulators. Each regulator provided 5v to 2 hard drives.So each pci-e 6-pin connector powered 12 hard drives. I had two of these cables and it worked perfectly for years, until I got a proper rackmount …

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Re: Is anyone excited for the Nvidia 3000 series cards

Posted on 2020-09-23, 07:15

by

by luckybob

in Milliways

in Milliways

can we rename this thread to "who's excited for big navi"? Until AMD bellies up to the bar, prices are going to be stupid.

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Re: Motherboard doesn't start

Posted on 2020-09-21, 21:02

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have that board! It never worked right! that said, just use some side-cuts to clip that tantalum. The board should post without it. My board is SUPER picky about memory. I'd suggest you keep trying with smaller simms.

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Re: Harddisc for IBM PS/2 8550?

Posted on 2020-09-20, 21:29

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I want a MPU-IMC card. *pouts like a child*

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Re: Bought these (retro) hardware today

Posted on 2020-09-15, 21:29

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

IF i was allowed to post a reaction image to @VMR_ , it would be that cable installer guy rubbing his nipples. I love that dual board.

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Re: Bought these (retro) hardware today

Posted on 2020-09-15, 00:24

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I remember bidding on that lian li case and losing.

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

Posted on 2020-09-14, 21:17

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I mean, it's just a suggestion. you obviously have an original disk.

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Re: Not recognized MCA Ethernet on an IBM PS/2 57 SLC2

Posted on 2020-09-14, 21:11

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

yea, that's outside of my wheelhouse. I don't have the knowledge to go into software that far to make it work. That's why I take the easy path and use use 3com or intel cards. I'm a hardware guy, I can (and usually will) play with hardware all day long. However, give me a software problem, and I …

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Re: Bought these (retro) hardware today

Posted on 2020-09-14, 00:26

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had one of those 7900gs cards when they were NEW and it was dogshit. How on earth are they worth $250 now?

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Re: Not recognized MCA Ethernet on an IBM PS/2 57 SLC2

Posted on 2020-09-13, 08:05

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

page 15 of this PDF gives you the file names you are looking for http://ps-2.kev009.com/pccbbs/options_iso/drvlist.pdf I did a cursory search for those files and I think he hosts them here: http://ps-2.kev009.com/pccbbs/network/ At least with the few i looked for. I only use 3com cards in my MCA …

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Re: What is the purpose of this chip?

Posted on 2020-09-12, 00:37

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

seems there were several chips that also worked: nation 74S471 TI 28L22

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Re: What is the purpose of this chip?

Posted on 2020-09-12, 00:27

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

got some time between class assignments https://imgur.com/PgIDB5D the chip's datasheet is ehre: https://www.datasheets360.com/pdf/8888944047117266061 A BIPOLAR PROM is a memory chip which typically contains a small amount of data, however the access time is very fast. These memory chips store the …

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Re: Bought these (retro) hardware today

Posted on 2020-09-11, 09:03

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Mind adding some description for those of us not versed in MCA? I mean, one of them says "Ram Expansion", so no questions there, but the others I have no idea what they are. #1 IBM 8514/A One of the very first VGA cards with some form of 2D acceleration #2 probably a parallel port card - i'd have …

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

Posted on 2020-09-10, 21:38

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

And my point remains. If its an ide or scsi drive with bad sectors, it should be replaced. Even if its just retro gaming. The time required dealing with bad sectors and possible failures just isn't worth the effort.

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

Posted on 2020-09-10, 21:09

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

agreed, if you have ANY errors on a spinning rust drive, pull the data and toss the drive. MFM is a different beast that doesn't necessarily apply to this rule.

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Re: Bought these (retro) hardware today

Posted on 2020-09-10, 20:39

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Those 72-pin simms are IBM 2MB. the 30-pin simm, looks like a 256k simm.

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Re: What is the purpose of this chip?

Posted on 2020-09-09, 15:11

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have one of those ethernet cards, ill check it out when I can.

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Re: What is the purpose of this chip?

Posted on 2020-09-09, 06:24

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looks like a standard PAL/GAL chip too... I wonder if 3com decided to copy protect it?

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Re: Bought these (retro) hardware today

Posted on 2020-09-08, 20:10

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

NICE! Supermicro S2DG2! the 900/2m/100 chips are the BEST things you can use in that board. The 1000/133/256's are totally worthless. They are no different than using slot 1's. @predator99 I wish the electronics scrap here in the US was HALF as good as the stuff you get.

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

Posted on 2020-09-07, 18:53

by

by luckybob

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The whole "1200+" thing was actually a marketing thing from AMD. People only bought MHZ. So Intel made "faster" chips when in reality, the 850mhz Duron was likely very close in performance to Intel's 1200.

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