Interface
5-34
C141-E192-01EN
Table 5.4 Information to be read by IDENTIFY DEVICE command (1 of 2)
Word
Value
Description
0
X’045A’
General Configuration *1
1
X’3FFF’
Number of Logical cylinders *2
2
X’xxxx’
Detailed Configuration *3
3
X’10’
Number of Logical Heads *2
4-5
X’0000’
Undefined
6
X’3F’
Number of Logical sectors per Logical track *2
7-9
X’0000’
Undefined
10-19
Set by a device
Serial number (ASCII code, 20 characters, right)
20
X’0003’
Undefined
21
X’xxxx’
Buffer Size (1 LSB: 512 Byte) ex. Buffer Size=2MByte: X’1000’
22
X’0004’
Number of ECC bytes transferred at READ LONG or WRITE
LONG command
23-26
–
Firmware revision (ASCII code, 8 characters, left)
27-46
Set by a device
Model name (ASCII code, 40 characters, left)
47
X’8010’
Maximum number of sectors per interrupt on READ/WRITE
MULTIPLE command
48
X’0000’
Reserved
49
X’2B00’
Capabilities *4
50
X’400x’
Capabilities *5
51
X’0200’
PIO data transfer mode *6
52
X’0200’
Reserved
53
X’0007’
Enable/disable setting of words 54-58 and 64-70, 88 *7
54
(Variable)
Number of current Cylinders
55
(Variable)
Number of current Head
56
(Variable)
Number of current sectors per track
57-58
(Variable)
Total number of current sectors
59
*8
Transfer sector count currently set by READ/WRITE
MULTIPLE command *8
60-61
*2
Total number of user addressable sectors (LBA mode only) *2
62
X’0000’
Reserved
63
X’xx07’
Multiword DMA transfer mode *9
64
X’0003’
Advance PIO transfer mode support status *10
65
X’0078’
Minimum multiword DMA transfer cycle time per word :
120 [ns]
Содержание MHT2020AT
Страница 1: ...C141 E192 01EN MHT2080AT MHT2060AT MHT2040AT MHT2030AT MHT2020AT DISK DRIVES PRODUCT MANUAL ...
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Страница 62: ...Theory of Device Operation 4 10 C141 E192 01EN Figure 4 4 Read write circuit block diagram ...
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Страница 191: ...5 4 Command Protocol C141 E192 01EN 5 117 g d f f d e Figure 5 7 Normal DMA data transfer ...
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