Which version of ther Rev. 4 Motherboard is it.
To fix the Processor slot problems add a 3.3K Ohm resistor between Pin 20 and pin 11 on U605 (74LS245) located near connector CN600.(Rev. 4.3 revision for A2000)
To fix the Video Connector problem connect U300 pin 10 to cn 203 pin 36. (Rev 4.1 revision for A2000)
To solve first keystroke problen delete C910/C911 (Rev 4.2)
RTC Problems - Reroute trace from U801 Pin 16 to Y800
- lift U801 pin 17
- add jumper from U801 Pin 16 to Y800
- add jumper from U801 Pin 17 to C810
(Revision 4.4)
Cheers
Shaf
