spett wrote:Or is there more change needed to swap HI/LOW RAM banks?
spett wrote:Any known faults to look for? I have oscilloscope, logic analyser, eeprom burner, etc etc... Just tell me where to probe
Arne wrote:spett wrote:Or is there more change needed to swap HI/LOW RAM banks?
So you do have 2 banks with 512KByte each?
- Get schematics (1040STFM) and Service manual (e.g. Download section of my homepage).
- Read the section "Troubleshooting a dead unit" in the service manual.
- Act accordingly
spett wrote:My 8MHz signal is good but cpu halts after ~22 sec.
spett wrote:Are all chip revisions interchangable?
spett wrote:What brand/type is the original 28pin 1MBit TOS chips? Thinking of reading mine but can't figure out chip type. I do have a rather good eeprom burner but chip detect fails..
Arne wrote:Good work!
I only know of the Atari test-cartridge. But this one needs loopback connectors/a test fixture for DMA/Parallel port.
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