Atari 520 STFM SN A104Z1007623 Mainboard 1040 ST Rev2 with 2 chip TOS factory suspect DMA chip bad error 35 when booting a PRG. Power supply is not working and will need a rebuild which could be accomplished easily with 1 resistor and may need a cap kit. Boots to TOS tested with good power supply (not included). Mouse port works. Case drive and keyboard are all in very good condition.
Willing to ship internationally please ask for a quote.