Datasheet

Identify Device Information Default Value
Word
Address
Default
Value
Total
Bytes
Data Field Type Information
0
0040h
2
General configuration
1
XXXXh
2
Default number of cylinders
2
0000h
2
Reserved
3
00XXh
2
Default number of heads
4
0000h
2
Obsolete
5
0240h
2
Obsolete
6
XXXXh
2
Default number of sectors per track
7-8
XXXXh
4
Number of sectors per card (Word 7 = MSW, Word 8 = LSW)
9
0000h
2
Obsolete
10-19
XXXXh
20
Serial number in ASCII (Right Justified)
20
0002h
2
Obsolete
21
0002h
2
Obsolete
22
0000h
2
Obsolete
23-26
XXXXh
8
Firmware revision in ASCII. Big Endian Byte Order in Word
27-46
XXXXh
40
Model number in ASCII (Left Justified) Big Endian Byte Order in Word
47
8001h
2
Maximum number of sectors on Read/Write Multiple command
48
0000h
2
Reserved
49
0F00h
2
Capabilities
50
4000h
2
Capabilities
51
0200h
2
PIO data transfer cycle timing mode
52
0000h
2
Obsolete
53
0007h
2
Field Validity
54
XXXXh
2
Current numbers of cylinders
55
XXXXh
2
Current numbers of heads
56
XXXXh
2
Current sectors per track
57-58
XXXXh
4
Current capacity in sectors (LBAs)(Word 57 = LSW, Word 58 = MSW)
59
0101h
2
Multiple sector setting
60-61
XXXXh
4
Total number of sectors addressable in LBA Mode
62
0000h
2
Reserved
63
0207h
2
Multiword DMA transfer. Supports MDMA Mode 0,1,and 2
64
0003h
2
Advanced PIO modes supported
65
0078h
2
Minimum Multiword DMA transfer cycle time per word. In PC Card modes this
value shall be 0h
66
0078h
2
Recommended Multiword DMA transfer cycle time. In PC Card modes this
value shall be 0h
67
0078h
2
Minimum PIO transfer cycle time without flow control