SP-S2: Difference between revisions

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SP-S2 is the name of the 128KiB ROM containing the [[68k]] code for the BIOS embedded in some MVS systems.
SP-S2 is the name of the 128KiB ROM containing the [[68k]] code for the BIOS embedded in some MVS systems.


It's mapped in the [[68k memory map|68k's address space]] from $C00000 to $C20000, and mirrored over to $D00000.
It's mapped in the [[68k memory map|68k's address space]] from $C00000 to $C1FFFF, and mirrored over to $D00000.


The dump is named sp-s2.sp1 in BIOS sets.
The dump is named sp-s2.sp1 in BIOS sets.

Revision as of 21:32, 6 March 2011

Toshiba SP-S2 BIOS ROM on a 1FZS MVS slot.

SP-S2 is the name of the 128KiB ROM containing the 68k code for the BIOS embedded in some MVS systems.

It's mapped in the 68k's address space from $C00000 to $C1FFFF, and mirrored over to $D00000.

The dump is named sp-s2.sp1 in BIOS sets.

See BIOSes.