Справочник Пользователя для Integral INMPCIE16G50SXE
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4.3 Identify Drive Information
The Identity Drive Command enables Host to receive parameter information from the device. The parameter
words in the buffer have the arrangement and meanings defined in below table. All reserve bits or words are
zero.
Word Address Default Value Total Bytes
Data Field Type Information
0
040Ah
2
General configuration
– bit significant for
Non-removable device
1
Aaaah
2
Default number of cylinders
2
0000h
2
Reserved
3
Aaaah
2
Default number of heads
4
0000h
2
Retired
5
0200h
2
Retired
6
Aaaah
2
Default number of sectors per track
7-8
Aaaah
4
Number of sectors per device
9
0000h
2
Retired
10-19
Aaaah
20
Serial Number in ASCII
20
Aaaah
2
Retired
21
0002h
2
Retired
22
0004h
2
Number of ECC Bytes passed on Read/Write Long
Commands
23-26
Aaaah
8
Firmware revision in ASCII
27-46
Aaaah
40
Model number in ASCII
47
0001h
2
Maximum number of sector that shall be
transferred on Read/Write Multiple commands
48
0000h
2
Reserved
49
0300h
2
Capabilities-LBA/DMA Supported
50
0000h
2
Reserved
51
0200h
2
PIO data transfer cycle timing mode 2
52
0000h
2
Retired
53
0007h
2
Word 54-58, 64-70 and 88 are valid
54
Nnnnh
2
Current numbers of cylinders
55
Nnnnh
2
Current numbers of heads
56
Nnnnh
2
Current sectors per track