IBM DJSA-210 Hard Drive Specifications - Page 137

Identify Device DMA EEh, ECh via the DMA channel.

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13.8 Identify Device DMA (EEh) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 0 1 1 1 0 Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 81. Identify Device DMA command (EEh) The Identify Device DMA command requests the device to transfer configuration information to the host. The device will transfer the same 256 words of device identification data by the Identify Device command (ECh) via the DMA channel. Travelstar 32GH/30GT/20GN hard disk drive specifications 123

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13.8 Identify Device DMA (EEh)
see below
Status
1 1 1 0 1 1 1 0
Command
– – – – – – – –
Device/Head
1 – 1 D – – – –
Device/Head
– – – – – – – –
Cylinder High
– – – – – – – –
Cylinder High
– – – – – – – –
Cylinder Low
– – – – – – – –
Cylinder Low
– – – – – – – –
Sector Number
– – – – – – – –
Sector Number
– – – – – – – –
Sector Count
– – – – – – – –
Sector Count
see below
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
V
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 81. Identify Device DMA command (EEh)
The Identify Device DMA command requests the device to transfer configuration information to the host.
The device will transfer the same 256 words of device identification data by the Identify Device command
(ECh) via the DMA channel.
Travelstar 32GH/30GT/20GN hard disk drive specifications
123