AMPTRON PM-9600 Socket 7 motherboard repair

In this video I try to repair a socket 7 motherboard, it's an Amptron PM-9600 socket 7 board based on the "TX Two" chipset, OEM for Ali M1531.

Resources: https://theretroweb.com/motherboards/...

Vogons thread: https://www.vogons.org/viewtopic.php?...

Many Thanks to the Vogons.org community for their usual help!

For fun videos on BIOS tinkering, check out ‪@necro_ware‬

00:00 Introduction
01:45 Jumper setup
03:35 First power up
04:31 Voltage supply troubleshooting
08:20 Voltage supply explanation
12:13 Supply test with load
13:51 Power up with CPU
15:10 the Motorbike sound!
15:40 Further troubleshooting
18:00 Oscilloscope is out!
21:30 BIOS re-flash
24:28 I found the problem!
26:58 Cache re-flow
28:02 BGA Reflowing
30:19 Final power up
32:23 Testing!
33:59 Outro and goodbye!

Soundtrack: Night Run Away - An Jone

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