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Cheetah 18FC Installation Guide, Rev. A 15
1. The specified formatted capacities are calculated with the standard OEM sec-
tor size (512 bytes per logical block) and sparing.
Characteristics ST118202FC
Interface Fibre Channel
Capacity
Unformatted (Gbytes)
Formatted (Gbytes)
1
22.54
18.2
Recording
Cylinders (user)
Read/write data heads
Avg bytes/track
6,962
24
104,840 to 159,008
Access time
Average read (msec)
Average write (msec)
5.9
6.7
Disc rotation
RPM
Average latency (msec)
10,025
2.99
Data transfer rate
Maximum instantaneous
(Mbytes/sec per port)
106.3
ST118202FC
DC power requirements(±5%)
1
1. For more detailed power information, refer to the Cheetah 18FC Product Man-
ual, publication number 83329330.
+5 V +12 V
Maximum start current
Maximum operating current
Average idle current
0.76A
0.80A
0.70A
3.2A
1.41A
1.25A