Figure 100. Identify Device Information (Part 1 Of 6) - IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Specifications

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 described in the figure below.
Note: * in the Content field indicates vendor specific use of those parameters.
Word Content
00 045AH
or
045EH
01 XXXXH
02 37CBH
03 00XXH
!
04 0
!
05 0
06 003FH
!
07 0000H
!
08 0000H
!
09 0000H
10-19 XXXX
!
20 0003H
!
21 XXXXH
!
22 0028H
23-26 XXXX
27-46 XXXX
47 8010H
48 0000H
49 XF00H
!

Figure 100. Identify Device Information (part 1 of 6)

Drive classification, bit assignments:
15(=0): 1=ATAPI device, 0=ATA device
14– 8 : retired
7(=0): 1=removable cartridge drive
6(=1): 1=fixed drive
5– 3 : retired
2(=0): 1=soft sectored
1 : retired
0(=0): Reserved
Number of cylinders in default translate mode
Specific Configuration
37CBH: Need Set Feature for spin-up after power-up
Identify Device is incomplete
Number of heads in default translate mode
Reserved
Reserved
Number of sectors per track in default translate mode
Number of bytes of sector gap
Number of bytes in sync field
Reserved
Serial number in ASCII (0 = not specified)
Controller type:
0003: dual ported, multiple sector buffer with look-
ahead read
Buffer size in 512-byte increments
Number of ECC bytes
(Vendor unique length is selected via set feature cmd)
Microcode version in ASCII
Model number in ASCII
15–8 80h
7–0 Maximum number of sectors that can be trans-
ferred
per interrupt on Read and Write Multiple commands
Reserved
Capabilities, bit assignments:
15-14 (=0) Reserved
13 Standby timer
(=1) values as specified in ATA standard are
supported
(=0) values are vendor specific
12 (=0) Reserved
11 (=1) IORDY supported
10 (=1) IORDY can be disabled
9 (=1) Reserved
8 (=0) Reserved
7–0 (=0) Reserved
Deskstar 120GXP hard disk drive specifications
Description
117