VOGONS


First post, by maverick1234

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I'm having a bit of trouble with booting up the system. I can hear the HDD running, CPU fan is spinning as usual, there are no beeps & no display. Since I don't have a desktop case yet, it's currently running on testbench. And I've also noticed that it turns on whenever I flick the switch on the PSU (without having to press the power switch).
The specs are:
Gigabyte GA-7ZX rev. 5.00
AMD Duron 1300
2x 128 MB SDRAM
3dfx Voodoo 3 3000 AGP
Sound Blaster Pro 2 ISA
150Gb HDD WD
Trust PowerMaster 420 W PSU

Reply 3 of 14, by Horun

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Guess: Bad cap, bad PSU or BIOS issue. Have you tried a different PSU? I would strip down to basics and use a good PCI vid card and good PSU that I know work with good (that Trust Powermaster only had a 2 year warranty, where many good PSU back then had 5+)

Hate posting a reply and have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. 🤣 Second computer a 286 12Mhz with real IDE drive ! After that came 386, 486, Pentium, P.Pro and everything after....

Reply 5 of 14, by maverick1234

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Horun wrote on 2020-06-24, 01:56:

Guess: Bad cap, bad PSU or BIOS issue. Have you tried a different PSU? I would strip down to basics and use a good PCI vid card and good PSU that I know work with good (that Trust Powermaster only had a 2 year warranty, where many good PSU back then had 5+)

Both mainboards are refurbished & the same models but with different rev. numbers (1.01 & 5.00) and the results are the same. At first I thought there was an incompatibility issue with the CPU, but according to support list it should be supported.

Reply 6 of 14, by maverick1234

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alienmannequin wrote on 2020-06-23, 23:01:

If the board has a built-in speaker, do you get beeps when you remove the RAM? Do you have a spare PSU to try? Perhaps the board needs a discharge & new battery.

There aren't any beeps coming out whatsoever, regardless if I remove graphics card, RAM,... . Can't even enter BIOS 'cause there's no display + mouse & keyboard aren't working or detected, regardless if it's on USB or PS2. At first I thought there was some incompatibility with the testbench, but I think I should at least get a display running or something....

Reply 7 of 14, by computerguy08

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Remove everything (even the testbench) except PSU, mainboard, CPU and speaker. You should get some beeps. If possible, try using another CPU and see if the issue persists. I've had early Durons die on me without corner damage.

A POST card would be appropiate in these situations.

Looking for a motherboard? You can find it in Ultimate Hardware 2019: http://www.win3x.org/uh19/motherboard/search
Join our UH19 Discord server here: https://discord.gg/HWWH7hsk2p

Reply 8 of 14, by maverick1234

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Still waiting for POST cards to arrive, but I'm rulling out everything except motherboard & CPU; so with that in mind, what motherboard would be recommended? Let's say for a CPU around 1.00 - 1.40 GHz, with AGP 2x slot (Voodoo 3 3000) & ISA slot (SB Pro 2). I would prefer AMD, but I could do with INTEL.

Reply 10 of 14, by Miphee

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Post good quality pictures of the board.
Scrappers and postal workers throw these things around all the time so most of them are scratched up and have broken traces.

Reply 11 of 14, by maverick1234

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Here are the screenshots of both motherboards; same models, different rev. numbers. The one with CPU & RAM installed is rev. 5.0, the other one is rev. 1.01.

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  • rev. 5.0.jpg
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    rev. 5.0.jpg
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  • rev. 1.01.jpg
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    rev. 1.01.jpg
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    1.97 MiB
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    234 views
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    Fair use/fair dealing exception

Reply 12 of 14, by maverick1234

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Finally got my POST card and here are the results (and they're the same on both motherboards).

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Reply 13 of 14, by maverick1234

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Still no success. Tested 3 processors (Duron 950, Duron 1.2 & Duron 1.3) on 4 diff. motherboards (GA-7ZX (rev. 1.01) , GA-7ZX (rev. 5.00) & 2x GA-7IXE4 (rev. 1.00)), with 2x 128 or 2x 256 SDRAM still no POST, perhaps just once in approx. 60 boot ups & that's it. Used a bit older PSU as provided in the picture & a bit newer one from Chieftec (750w), still the same. I figured if there would be anything wrong with graphics card (3dfx voodoo3 3000) or even CPU or something, I'd get some damn beep from the speaker, but nothing; monitor just keeps blinking.

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Reply 14 of 14, by maverick1234

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I've tested with a motherboard that I borrowed; graphics card, sound card, RAM & PSU work fine. Guess it's now down to CPU & motherboard. Someone has mentioned that I have to check about multiplyer & fsb speed settings, but I can't find any jumpers, only FSB switch which is already set to 100 MHz as listed for those Durons 😳