Ressurecting NexGen PCI \ VOGONS

Ressurecting NexGen PCI

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First post, by mt777

Posted on 2020-09-16, 13:08

mt777 Offline

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I got this mobo without CPU/Dallas/Bios and almost all jumpers were missing.
I programmed bios P06Y034Q.PRD and put P90 cpu.

Unfortunately still not boot and any post code.
CPU is not warm so firstly would desolder SMP50N06 and check via multimeter?

Photos in google drive (due to size):
https://drive.google.com/drive/folders/1F7dl0 … LXw?usp=sharing

Reply 1 of 5, by PD2JK

Posted on 2020-09-16, 14:12

PD2JK Offline

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Is that FET getting warm at all?

Here a simple guide:
https://www.utm.edu/staff/leeb/mostest.htm

i386 16 ⇒ i486 DX4 100 ⇒ Pentium MMX 200 ⇒ Athlon Orion 700 | TB 1000 ⇒ AthlonXP 1700+ ⇒ Opteron 165 ⇒ Dual Opteron 856

Reply 2 of 5, by Deksor

Posted on 2020-09-16, 18:12

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I have a manual for this board and so I scanned it and created a entry here : http://www.win3x.org/uh19/motherboard/show/6225
I'll upload your image 😁

Trying to identify old hardware ? Visit The retro web - Project's thread The Retro Web project - a stason.org/TH99 alternative

Reply 3 of 5, by mt777

Posted on 2020-09-17, 16:23

mt777 Offline

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I checked via this: http://electronicsbeliever.com/how-to-know-if … t-is-defective/
and always got 0 on diode test. So probably is defective. Now worse job is finding replacement

// RFP50N06 is reasonable so will try with it

Reply 4 of 5, by mt777

Posted on 2021-02-13, 20:16

mt777 Offline

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still on investigation.
Can someone take a pic of JP22 (below cpu and next to RTC) ? It is a resistor probably but don't know which value..

https://www.x86.fr/cpus/Nx586-02.jpg

is there a resistor between 1 & 2 pin which what value?

I put 1.5kOhm resistor but didn't help 😀

Reply 5 of 5, by H3nrik V!

Posted on 2021-02-13, 20:50

H3nrik V! Offline

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Isn't PCI version compatible with P/F processors only? It is it only the other way around, that vlb boards are not?

Please use the "quote" option if asking questions to what I write - it will really up the chances of me noticing 😀

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