Electronics > Repair

What more i can do?

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222Lab_Test222:

--- Quote from: smaultre on December 02, 2024, 12:00:13 am ---Hello, you can try to check (&click) all of the dip switches, it looks like BIOS is not well configured or so. Click them ~20 times for each position and check that they are in right position compared with the working board.

Check (replace) condensers, power lines, clean connections (memory), check voltage amplitudes on IC's main legs,
 

--- End quote ---
All the deep switches are according to the working board, I also tried numerous time to change the deep switches with other BUT it doesnt beep if those deep switches are wrongly configured.

222Lab_Test222:
Working Board Address Inputs Wa0-Wa9

222Lab_Test222:
Continued
Working Board Address Inputs Wa10-Wa17

222Lab_Test222:
Working Board Data Outputs Whqo-Whq7 (Working board High BIOS pins)

222Lab_Test222:
Working Board Data Outputs Wlqo-Wlq7 (Working board LOW BIOS pins)

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