Apple Tape Backup 40SC
With the Apple Tape Backup 40SC, Macintosh personal computer owners now have a convenient, easy way to back up and restore critical data. Since it uses removable tape cartridges - each of which provides 40 megabytes of backup storage - the Apple Tape Backup 40SC offers virtually unlimited storage capacity. It is designed for use with all SCSI-based Macintosh systems that include a hard disk.
Specifications
Recording media
- 1/4-inch removable mini cartridge (DC2000), preformatted
Capacity
- Formatted Capacity: 38.5 megabytes of fully-corrected data
- Block Size: 8,192 bytes
- Sectors/Tracks: 24; serpentine
Characteristics
- Data format: Industry standard QIC-100 1/4-inch cartridge (8 kilobytes of user data, 4 kilobytes of data redundancy)
- Tape speed: 60 inches per second read or write; 90 inches per second search or rewind
- Transfer rate:
- Burst mode: 1.25 megabytes per minute
- Normal operation (volume mode): up to 1 megabyte per minute
- Volume backup time: Approximately 17 to 18 minutes per 20 megabytes
Connects directly to the Macintosh Plus, Macintosh SE, or Macintosh II via system cable to a SCSI connector.