Browse Prior Art Database

Tape Controller Diagnostic Wrap

IP.com Disclosure Number: IPCOM000055952D
Original Publication Date: 1980-Oct-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Heath, CA [+details]

Abstract

Diagnostic wrap hardware, illustrated in Figs. 1 and 2, is attached to a tape formatter (controller) which is interconnected for control of up to four tape drive units. The hardware enables diagnostics to be initiated by a central processing unit (CPU).