Diagnosic BIOS to assist in Neo Geo repairs. Available as the BIOS only (console), Cart only (Z80 testing when used with the diagnosic bios) or both.
Installation:
Install the chip labelled SP1 in place of the original bios in the AES or MVS.
Install the chip labelled m1 in place of m1 in a compatible donor cart (cart must have the NEO-ZMC (MVS or NEO-ZMC2 (AES) chip.
More information here: http://smkdan.eludevisibility.org/neo/diag/
