Seagate Medalist 1640, Product Manual

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Quick specification chart
The following table serves as a quick reference for the ST32140A
performance specifications. These and other specifications are dis-
cussed in the Specification summary section following the table.
Drive specification ST31640A ST32140A
Guaranteed capacity (Mbytes) (
×
10
6
bytes) 1,625.7 2,113.4
Guaranteed sectors 3,175,200 4,127,760
Bytes per sector 512 512
Sectors per track 63 63
Logical Read/Write heads 16 16
Logical cylinders 3,150 4,095
Physical Read/Write heads 6 8
Physical disc 3 4
Recording density (Kbits/inch) 76.2 76.2
Track density (tracks/inch) 4,800 4,800
Spindle speed (RPM) 5,376 5,376
Track-to-track seek time (msec typical) 2.0 2.0
Average seek time (msec typical) 10.0 10.0
Full-stroke seek time (msec typical) 20.0 20.0
Average latency (msec) 5.58 5.58
Internal data-transfer rate (Mbits per sec max) 34.5 to 67.7 34.5 to 67.7
External transfer rate
2
(Mbytes per sec) PIO
mode
up to 16.6 up to16.6
External transfer rate (Mbytes per sec) DMA
mode up to16.6 up to 16.6
Cache buffer (Kbytes) 128 128
Height (inches max) 1.03 1.03
Width (inches max) 4.02 4.02
Depth (inches max) 5.79 5.79
Typical weight (lb) 1.0 1.0
2. External transfer rate is based on the ATA-2 standard. Actual performance may exceed
the standard. See your Seagate representative for details.
continued
Medalist 1640 and 2140 Product Manual, January 1996 3