Seagate 146.8GB HDD ST3146854LC Manual De Usuario
Los códigos de productos
ST3146854LC
Cheetah 15K.4 SCSI Product Manual, Rev. B
11
4.0
Performance characteristics
4.1
Internal drive characteristics (transparent to user)
4.2
SCSI performance characteristics (visible to user)
The values given in Section 4.2.1 apply to all models of the Cheetah 15K.4 SCSI family unless otherwise spec-
ified. Refer to Section 9.10 and to the SCSI Interface Product Manual for additional timing details.
ified. Refer to Section 9.10 and to the SCSI Interface Product Manual for additional timing details.
ST3146854
ST373454
ST336754
Drive capacity
146.8
73.4
36.7
GByte (formatted, rounded off values)
Read/write heads
8
4
2
Bytes/track
471,916
471,916
471,916
Bytes (average, rounded off values)
Bytes/surface
18,351
18,351
18,351
Mbytes (unformatted, rounded off val-
ues)
ues)
Tracks/surface (total)
50,864
50,864
50,864
Tracks (user accessible)
Tracks/inch
85,000
85,000
85,000
TPI
Peak bits/inch
628
628
628
KBPI
Internal data rate
685-1,142
685-1,142 685-1,142 Mbits/sec (variable with zone)
Disc rotational speed
15k
15k
15k
r/min
Average rotational latency
2.0
2.0
2.0
msec