Socket 4 motherboard MD54E213 (IBM??) Not start. \ VOGONS

Socket 4 motherboard MD54E213 (IBM??) Not start.

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First post, by envagyok

Posted on 2023-02-12, 09:41

envagyok Offline

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Joined: 2019-02-15, 06:18

I find a socket 4 motherboard MD54E213, and i have already a pentium 60 socket4 cpu.
I try to start it with/without ram from my 486 socket 3 , but no result.
The cpu normal heating, but speaker not beep, no picture, and the isa/pci postcard not show activities, only 00 .
Maybe must use the connector between isa and pci ports?
Thank for all helping hints.

Reply 1 of 3, by PD2JK

Posted on 2023-02-12, 09:48

PD2JK Offline

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Posts: 686
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Too bad the BIOS chip isn't easy to swap or check.
How are your hot air soldering skills?

In my experience a potentially empty Dallas should get you at least a POST.

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

Reply 2 of 3, by envagyok

Posted on 2023-02-12, 15:36

envagyok Offline

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My friend is can good soldering

Reply 3 of 3, by envagyok

Posted on 2023-02-17, 01:52

envagyok Offline

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Rank: Member
Posts: 170
Joined: 2019-02-15, 06:18

Discovered the problem.
3 trace was broken.
Already working.
Only one interesting thing is:
Need power on, then power off.
After that fast power on.
It can happen thanks to bad Dallas ic?

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