AT&T 3B2/300 Technical Reference Manual page 229

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600-Megabyte Hard Disk (KS-23483,L5 or L 15)
600-Megabyte Hard Disk Equipment Characteristics
Reliability.
Life
Error Rates
Physical.
Disk Type
Rotational Speed
Height
Width
Depth
Bytes/ Sector
Sectors /Track
Tracks/Cylinder
Cylinders
Formatted Size
Operational.
Interface
Transfer Rate
Latency
Seek Time
Default Device Partitioning
5 years or 15,000 hours
Recoverable (soft) read errors occur less than 1 in 10
10
bits transferred.
Unrecoverable (hard) read errors occur less than 1 in 10
12
bits
transferred.
5.25-inch, Winchester drive
3597 revolutions per minute
3.25 inches
5.75 inches
9.06 inches
512
52
15
1544 Accessible, 1546 Total
1,204,320 blocks (512 bytes)
SCSI (LS-Single-ended, US-Differential)
12.0 megabits per second (1.5 megabytes per second)
8.34 milliseconds, average
17.5 milliseconds, average
44 milliseconds, maximum
The default device partitioning for this disk drive depends on the configuration of the computer and
the release of the UNIX operating system.
EQUIPMENT DESCRIPTION 2-205