The IBM 729 Magnetic Tape Unit was IBM's iconic tape mass storage system from the late 1950s through the mid-1960s. Part of the IBM 7-track family of tape units, it was used on late 700, …

There is a 729 tape manual at http://bitsavers.trailing-edge.com/pdf/ibm/magtape/729/223-6845_729_CEman_1959.pdf. A24-3069-2 says that the 1401 can use the following 729 …

2011年5月4日 · The IBM 729 drives were used on second-generation equipment, such as the 7090 and continued in use right through the third-generation IBM S/360. All of this is, of …

2018年4月29日 · The IBM 729 Magnetic Tape Unit was IBM's iconic tape mass storage system from the late 1950s through the mid-1960s. Part of the IBM 7 track family of tape units, it used …

The IBM 729 Magnetic Tape Unit was IBM's iconic tape mass storage system from the late 1950s through the mid 1960s. Part of the IBM 7 track family of tape units, it was used on late 700, …

IBM 729 units write or read moving tape by the use of a read-write head that records data on or reads data from seven parallel track areas on the magnetic tape. All 727 and 729 units use the …

diagnostic programs used for the IBM 729 11, 111, and IV Magnetic Tape Units, simplified logic diagrams for electronic circuitry, symptom charts showing cause and

2018年5月28日 · The IBM 729 magnetic tape unit used 1/2 inch magnetic tape wound onto reels up to 2400 feet. The tape had seven parallel tracks, six for data and one to maintain parity …

At the center top front of the door there is a manufacturer's label that reads "IBM 729 I Magnetic tape unit." Under "IBM" the number 10 is handwritten on the label. The door is constructed of …

2016年6月29日 · IBM's 729 storage device kept its data on half-inch-wide strips of tape that could be nearly half a mile long, queued up for read-write access by no less than eight internal …