Revision as of 07:57, 7 February 2011
Toshiba SP-S2 BIOS ROM on a 1FZS MVS slot.
SP-S2 is the name of the 128kB ROM containing the 68k code for the BIOS embeded in NeoGeo systems.
It's mapped in the 68k's memory space from $C00000 to $C20000, and mirrored over to $D00000.
The dump is named sp-s2.sp1 in BIOS sets.