Reply 54400 of 57309, by Xicor
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Finlay received the IBM ps1 type 2121. Had to resort to a parcel forwarder and that lead to customs.
I love this little computers from IBM. This is my 4th machine from the original ps1, but the first with a 386. The sound card is also a good find, and the final droplet that pushed me to all the hassle.
Found also 2 motherboards on local ad site for 10€ each. It stated that they didn't work, for repairs or parts. Toke the gamble and after couple of hours they working again.
The first one was a Soyo SY-5EMA+ V1.0. It had several scratches on the bottom side of the PCB that severed a total of 8 track in critical places. All of them "signal" type near the bios eeprom. After restoring them the MB came back to life. A strange quirk in this MB is that the voltage settings don't "align" with the manual on "theretroweb.com".
The second was a GCT 8ITB ( DataExpert TX430II). verified the correct jumper settings and voltages, and it camed to life. Probably a wrongly configured jumpers.
It seams that it can go as low as 2.0V in vcore and FSB @ 83Mhz... on a Intel 430TX? I will have to fiddle a bit more to see where can this MB be pushed.