S.D. Sales ROMs

	ROM0 (U36 on SBC200 board)
	--------------------------
MSMONR21.HEX	39041 MSMONR v2.1 MASTER (checksum 403E)
		monitor ROM for serial terminal (*** WORKS ***)

SDMONV21.HEX	39007 SDMONV 2-1 (checksum 6ADE)
		monitor ROM (for VDB video board?)

SDMONV3.HEX	SDMONV 3? (checksum 3656)
		monitor ROM, appears similar to SDMONV21.
		was on board with DDBIOS42.

	ROM1 (U37 on SBC200 board)
	--------------------------
DIAG.HEX	DIAG (checksum 8069)
		appears to have memory, serial, parallel, & screen diagnostics.
		not required to boot system.

CDBIOS.HEX	CDBIOS (checksum FB07)
		only 1K used. contains error messages "read failed",
		"restore failed", "drive not ready".

	ROM2 (U38 on SB200 board)
	-------------------------
DDBIOS32.HEX	39034 DDBIOS v3.2 (checksum B9BE)

DDBIOS33.HEX	39034 DDBIOS v3.3 (checksum ADD0)
		Has 3mS step rate for 8" (too fast for old drives).

DBIOS33-.HEX	39034 DDBIOS v.3.3 (checksum ADE2)
		modified for 10 mSec step rates for 8" drives (*** WORKS ***)

DDBIOS42.HEX	DDBIOS 4.2 (checksum BBE7)

	ROM3 (U39 on SBC200 board)
	--------------------------

	ROM for Unknown Socket on SBC200 board
	--------------------------------------
VF2ROM.HEX	ROM from C.W. Roberts (checksum BB9B0
		labelled "SBC200W1 VF2, ROM in socket2"