Drive Specifications; Formatted Capacity; Physical Organization; Logical Organization - Seagate ST9655 Series Product Manual

ST9655 Family Product Manual, Rev. A

1.0 Drive specifications

1.1 Formatted capacity

Guaranteed Mbytes
6
(1 Mbyte = 10 bytes)
Guaranteed sectors
Bytes per sector

1.2 Physical organization

Read/Write heads
Discs

1.3 Logical organization

The ST9655 family drives support all head, cylinder and sector geome-
tries, subject to the maximums specified below, and to the following
condition:
( sectors ) × ( heads ) × (cylinder s) ≤ total sectors per drive
Sectors per track (max)
Read/Write heads (max)
Cylinders (max)

1.4 Default logical geometry

Sectors per track
Read/Write heads
Cylinders
ST9655AG ST9550AG
524 455
1,024,128 889,248
512 512
ST9655AG ST9550AG
8 8
4 4
ST9655AG ST9550AG
64 64
16 16
1,024 1,024
ST9655AG ST9550AG
63 59
16 16
1,016 942
1
ST9385AG
341
666,876
512
ST9385AG
6
3
ST9385AG
64
16
1,024
ST9385AG
51
14
934