A75508         4k     Ampro LB/Plus boot ROM
A75515        64k     Ampro LB/186 BIOS (even)
A75516        64k     /               \ (odd)
A75523        64k     Ampro LB/186 RAMDISK BIOS (even)
A75524        64k     /                       \ (odd)
A75601       256k     Ampro LB/PC BIOS (BBS)  v1.0
AMPROSCU      64k     Ampro LB/PC auxilliary ROM by Datalight
AMPROV10     256k     Ampro LB/PC BIOS v1.0