Rigid Disk Drive Geometry Parameters) - IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive Specifications

7.9.7 Page 4 (Rigid Disk Drive Geometry Parameters)
7 6
BYTE 0 RSVD = 0
BYTE 1 Page Length = 16h
BYTE 2 (MSB)
Number of Cylinders
BYTE 4
BYTE 5 Number of Heads
BYTE 6 (MSB)
Starting Cylinder-Write Precompensation = 0
BYTE 8
BYTE 9 (MSB)
Starting Cylinder-Reduced Write Current = 0
BYTE 11
BYTE 12 (MSB)
Drive Step Rate (Not used)
BYTE 13
BYTE 14 (MSB)
Landing Zone Cylinder (Not used)
BYTE 16
BYTE 17 RESERVED
BYTE 18 Rotational Offset = 00 (Not used)
BYTE 19 RESERVED
BYTE 20 (MSB)
Medium Rotation Rate = 7200
BYTE 21
BYTE 22
RESERVED
BYTE 23
Figure 78. Page 4
The rigid disk drive geometric page specifies various parameters for the file.
RPL Zero. Indicates that the file does not support spindle synchronization.
104
O E M Spec. of DDRS-3xxxx
BIT
5 4 3 2
Page Code = 04h
Default
1 0 4.5G 9.1G
04h
16h
00h
20h
(LSB) C3h
05h 0Ah
00h
|
(LSB) 00h
00h
|
(LSB) 00h
00h
(LSB) 00h
00h
|
(LSB) 00h
RPL = 0 00h
00h
00h
1Ch
(LSB) 20h
00h
00h