Identify Device (Ech); Figure 78. Identify Device Command (Ech) - IBM DJSA-210 - Travelstar 10 GB Hard Drive Specifications

The execution time of this command is shown below.
DJSA-232
DJSA-230
DJSA-220
DJSA-210
DJSA-205

13.7 Identify Device (ECh)

Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7 6 5
CRC UNC 0
0 0 0

Figure 78. Identify Device command (ECh)

The Identify Device command requests the device to transfer configuration information to the host. The
device will transfer a sector to the host containing the information in Figure 78 on pages 115–121.
about 39 minutes
about 42 minutes
about 30 minutes
about 16 minutes
about 8 minutes
7 6 5 4 3 2 1 0
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
1 – 1 D – – – –
1 1 1 0 1 1 0 0
4 3 2 1
IDN 0 ABT T0N
0 0 V 0
Travelstar 32GH/30GT/20GN hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
0 7 6
AMN BSY RDY DF
0 0 V
114
7 6 5 4 3 2 1 0
– – – – – – – –
see below
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
see below
5 4 3 2 1
DSC DRQ COR IDX
0 – – 0 –
0
ERR
V