Alleycat was IBM's development name for this drive the name it was marketed under is unknown. This is two 3 1/2" disk drives in a single enclosure. This drive held 4 gigabytes of data, two on each disk.
International Business Machines Corporation (IBM)
San Jose, Calif., U.S.
100001185CJS drive serial
100001915CJS drive serial
EW10000555 card number
3 1/4 x 8 1/4 x 5 3/4 in.
Gift of the International Business Machines Corporation (IBM)