IBM DJSA-210 - Travelstar 10 GB Hard Drive, Технические характеристики

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13.11 Initialize Device Parameters (91h)
see below Status 1 0 0 1 0 0 0 1 Command
– – – – – – – – Device/Head 1 – 1 D H H H H Device/Head
– – – – – – – – Cylinder High – – – – – – – – Cylinder High
– – – – – – – – Cylinder Low – – – – – – – – Cylinder Low
– – – – – – – – Sector Number – – – – – – – – Sector Number
– – – – – – – – Sector Count V V V V V V V V Sector Count
– – – – – – – – Error – – – – – – – – Feature
– – – – – – – – Data – – – – – – – – Data
7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0 Register
Command Block Input Registers Command Block Output Registers
V – 0 – – 0 0 0 0 0 V 0 0 0 0 0
ERR IDX COR DRQ DSC DF RDY BSY AMN T0N ABT 0 IDN 0 UNC CRC
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
Status Register Error Register
Figure 84. Initialize Device Parameters command (91h)
The Initialize Device Parameters command enables the host to set the number of sectors per track and
the number of heads minus 1, per cylinder. Words 54–58 in Identify Device Information reflects these
parameters.
The parameters remain in effect until the following events occur:
!
Another Initialize Device Parameters command is received.
!
The device is powered off.
!
A hard reset occurs.
!
A soft reset occurs and the Set Feature option of CCh is set instead of 66h.
Output Parameters To The Device
Sector Count This indicates the number of sectors per track. Zero (0) does not mean that there
are 256 sectors per track. It means that there are no sectors per track.
H This indicates the number of heads minus 1 per cylinder. The minimum is 0 and
the maximum is 15.
Travelstar 32GH/30GT/20GN hard disk drive specifications
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