What are your rare boards/daughterboards that don't work?

Discussion about old PC hardware.

What are your rare boards/daughterboards that don't work?

Postby furan » 2017-12-06 @ 19:38

What are some boards you can't bear to throw away, that also don't work? Also interested in your best "I have this but it doesn't work" story for things like wavetable boards, sound cards, video cards, motherboards, etc. If you have something to share please note whether you'd be ok to part with it if someone else could fix and use it themselves (for money or not, but keep that private), or if you would want to hold onto it. Also feel free to ask about how to repair something, or volunteer repair, or show off your own repairs!
Last edited by furan on 2017-12-08 @ 02:20, edited 3 times in total.
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Re: What are your rare boards that don't work?

Postby ODwilly » 2017-12-06 @ 20:12

Soyo kt880 dragon board. Universal agp pro and loaded with features. Green led, everything gets warm but no display or beeps.
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Re: What are your rare boards that don't work?

Postby SSTV2 » 2017-12-06 @ 21:23

Two 486 AST Bravo LP/Premmia motherboards mentioned in my 1st post here viewtopic.php?f=46&t=41498, made Bravo LP to POST, but I think it has video DAC problem as colors gets messed up most of the time by inverting or dimming themselves (huh?). The Premmia doesn't post to this day, nor I got its missing wiring schematics nor missing full BIOS image, because there is no source for it. BIOS consists of two parts: "Flash Loader" and actual BIOS image, which can be extracted from downloadable BIOS upgrade floppy images, but the most important "Flash Loader" is not there :-S
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Re: What are your rare boards that don't work?

Postby brostenen » 2017-12-06 @ 23:07

I have a Voodoo3-3500, the model that Compaq ordered from 3dFX back in the days.
It is one of those 3500's with a regulair VGA output instead of output for the normal dongle.
Not dead, only semi dead.

The problem is bad caps, resulting in the card sometimes working, sometimes not.
A shame. To my luck, I have a second and working card of the same model.

Cards that I do have, wich are 100% dead, is my AWE32 CT-2760.
Boards that are dead, are one Unisys 486 board and one IBM 486 board.
I have a Slot1 compaq 440BX board, also dead and a couple of dead ISA SCSI controllers.
Last but not least, I have an Asus FX5200, wich are unstable.

Lots of defect and dead SCSI and IDE cdrom drives as well, and one 40gb Maxtor IDE HDD.
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Re: What are your rare boards that don't work?

Postby Unknown_K » 2017-12-07 @ 01:22

I have a few boards that won't post but are interesting enough I won't junk them. An early 486 EISA board full of chips, 486 gateway 2000 slim desktop, dual Opteron with AGP Pro board (Master2-FAR I think).
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Re: What are your rare boards/daughterboards that don't work?

Postby sprcorreia » 2017-12-07 @ 01:53

I have a dual socket 7/8 Asus motherboard that doesn't work. A shame since it's such a nice piece of hardware.
ASUS P2B with P3 1100 for sale.

http://www.amibay.com/showthread.php?95680-Asus-P2B-Rev-1-10-Intel-P3-1-1GHz-with-Asus-adapter-and-Coolermaster-cooler

Lots of other stuff too. PM me for more details.
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Re: What are your rare boards/daughterboards that don't work?

Postby dogchainx » 2017-12-07 @ 03:00

Two 3DFX cards that have bent pins on the chips. Probably easy to fix for someone here, so I haven't junked them.
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Re: What are your rare boards/daughterboards that don't work?

Postby KCompRoom2000 » 2017-12-07 @ 03:32

I have two non-functional BFG brand nVidia cards: a Geforce FX5200 and a Geforce 7800GS OC. The FX5200 has some blown capacitors so it might be fixable once recapped, and the 7800GS OC just stopped working randomly, not sure if there's any hope of bringing that one back to life since it was among the first cards to be affected by bumpgate, I'd try to reflow and recap it if I had enough spare time to work on a revival project. The 7800GS OC was one of the parts I've held onto for 6 years now so the nostalgia factor is what holds me back on disposing it.
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Re: What are your rare boards/daughterboards that don't work?

Postby xjas » 2017-12-07 @ 03:41

I have an AWE64 Gold and a PAS16 that are dead - would very much love for either of those to work. One 8MB Voodoo2 with some texture memory corruption and my Banshee seems a bit flakey although it does generally work.

The power supply "board" in my G4 Cube needs re-capping because of course it needs re-capping. I got rid of all my other pre-Intel Mac stuff a while ago because none of it worked.

Other than that surprisingly little of my hardware is bad.
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Re: What are your rare boards/daughterboards that don't work?

Postby lazibayer » 2017-12-07 @ 04:47

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Re: What are your rare boards/daughterboards that don't work?

Postby JidaiGeki » 2017-12-07 @ 05:19

I've got a few motherboards that don't work - socket 5 VLB, P4 478 ISA, dual 370 with SCSI and a battery damaged 386 spring to mind, but I have a box of other broken or flaky stuff to attempt to fix.
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Re: What are your rare boards/daughterboards that don't work?

Postby PcBytes » 2017-12-07 @ 17:45

KCompRoom2000 wrote:I have two non-functional BFG brand nVidia cards: a Geforce FX5200 and a Geforce 7800GS OC. The FX5200 has some blown capacitors so it might be fixable once recapped, and the 7800GS OC just stopped working randomly, not sure if there's any hope of bringing that one back to life since it was among the first cards to be affected by bumpgate, I'd try to reflow and recap it if I had enough spare time to work on a revival project. The 7800GS OC was one of the parts I've held onto for 6 years now so the nostalgia factor is what holds me back on disposing it.

The FX5200 might be fine after a recap, but the 7800GS OC looks like it has full polymer caps, so probably a reflow is in order rather than recap on that one.

Speaking of which, my ASUS P4P800-E Deluxe might need a recap. For some reason, it would not POST with a known good CPU and won't beep with or without RAM. I tested all the components on a Gigabyte GA-8IPE1000 and they POST'd fine. Would be a great shame to throw away (I hate myself enough for throwing away a MSI 865PE Neo2-L on which I removed the BIOS chip when I could simply have soldered another one in its place) since it has a lot of features and I was planning on improving it so I could overclock a 2.8GHz Prescott on it.
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Re: What are your rare boards/daughterboards that don't work?

Postby LHN91 » 2017-12-07 @ 20:20

Number 1 thing I've held onto that doesn't work is a Macintosh LC with a 12" monochrome screen.

Pretty sure that the screen works, but the LC just makes a faint clicking sound. Pretty sure it just needs a PSU recap but I just haven't gotten around to it. That said, I have several other 90's Macs, including 2 other 680xx machines (An LC630 and a Quadra 950) so it's also kind of redundant.

Also have a nice Asus Socket 3 ISA/VLB/PCI board that currently won't POST. Things get warm, no error beeps, no display.
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Re: What are your rare boards/daughterboards that don't work?

Postby c0keb0ttle » 2017-12-07 @ 22:57

Voodoo 3 3000 that just gives error beeps during POST. Voodoo 2 that installs fine, but just locks up when you try to use it. Gravis Ultrasound Classic that just lock up the computer when searching for resources during install. :-(
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Re: What are your rare boards/daughterboards that don't work?

Postby CkRtech » 2017-12-08 @ 00:37

Man. You guys are making me want to open up a repair shop.
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Re: What are your rare boards/daughterboards that don't work?

Postby psychz » 2017-12-08 @ 11:06

A Yamaha SW60XG ISA, whose chips get hot. Its output is full of static and a crackly resemblance of what should it have been. :depressed:
And some Creative 3D Blaster Banshees. Have around five of them, only one actually works. :confused:
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Re: What are your rare boards/daughterboards that don't work?

Postby kixs » 2017-12-08 @ 11:18

I still keep around:

- 2x Voodoo1 - nothing visualy wrong but simply doesn't work
- S3 864 2MB VLB - had two pins on the main chip stuck together. I only discovered it when it didn't work. Straightening the pins didn't solve it.
- Octek Fox II Rev 3.2 motherboard - must have a short somewhere as even the PSU won't power on
- Alaris 486SLC2 VLB motherboard - NiCD battery leak made some damage to the traces. Won't POST. I haven't had the time yet to do continuity tests. Maybe an easy fix.
- Hercules Dynamite Tseng ET4000/w32i 2MB ISA - beeps and no picture. Visually in good shape.
- 2x ATI Radeon 9800 PRO 128MB - one only beeps, other corrupt graphics
- Creative Voodoo2 12MB - color corruption in games
- Logitech SoundMan Wave - not detected, visually in good shape.

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