Unknown by A-1 Supply

Has release ears for putting in a rack?

Etched in copper on top of board	COMPUTER CARD NO. 1
					ASSY - 510160
					A-1 SUPPLY

.18	tms2716	handwritten sticker	750
					261c

.19	tms2716	handwritten sticker	750
					262c

.20	tms2716	handwritten sticker	750
					263c


Mame .280

C:\Mikes_old\roms>c:\games\mame\mame -romident c:\mikes_old\roms\a1cc\roms 
Identifying c:\mikes_old\roms\a1cc\roms....
a1cc.18              NO MATCH
a1cc.19              NO MATCH
a1cc.20              NO MATCH