• 1985

Hardware Description

The 9153 was a modular, combination disc drive with an HP-IB interface. The 9153A ($2,180) came with a 10MB hard disc and DS/DD floppy drive. The 9153B ($,3,075) was introduced in 1987 offering a 20MB hard disc. The 9153C was introduced in 1988 and offered hard disc capacities of 10, 20, or 40 MB. The 9153C also came with a HD floppy drive (1.44 MB) rather than the DS/DD floppy drive.