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Table 42: Identify Device Information
Word
Address
0
1
2
3
4
5
6
7-8
9
10-19
20
21
22
23-26
27-46
47
48
49
50
51
52
53
54
55
56
57-58
59
60-61
62
63
64
65
66
67
68
69-79
80-81
Default
Value
045Ah*
XXXXh
0000h
00XXh
0000h
0200h
XXXXh
XXXXh
0000h
aaaa
0002h
0001h
0004h
YYYY*
YYYY*
8001h
0000h
0F00h*
0E00h*
4001h
0200h
0000h
0007h*
XXXXh
XXXXh
XXXXh
XXXXh
010Xh*
XXXXh
0000h
0007h*
0000h*
0003h
0078h*
0078h*
0078h*
0078h*
0000h
0020h
0000h
Total
Bytes
2
2
2
2
2
2
2
4
2
20
2
2
2
8
40
2
2
2
2
2
2
2
2
2
2
4
2
4
2
2
2
2
2
2
2
20
4
Data Field Type Information
Standard Configuration
Default number of cylinders
Reserved
Default number of heads
Obsolete
Obsolete
Default number of sectors per track
Number of sectors per Drive (Word 7 = MSW, Word 8 = LSW)
Obsolete
Serial number in ASCII (right justified)
Buffer type (dual ported multi-sector)
Buffer Size in 512byte increment
# ECC bytes passed on Read/Write Long Commands
Firmware revision in ASCII. Big Endian Byte Order in Word
Model number in ASCII (right justified) Big Endian Byte Order in Word
(“SFPAxxxxQxB OxTO-x-xx-xxx- xxx”)
Maximum number of sectors on Read/Write Multiple command
Double word not supported
Capabilities with DMA, LBA, IORDY supported
without DMA LBA, IORDY supported
Capabilities
PIO data transfer cycle timing mode 2
Obsolete
Field validity (Bytes 54-58, 64-70, 88)
Current numbers of cylinders
Current numbers of heads
Current sectors per track
Current capacity in sectors (LBAs)(Word 57 = LSW, Word 58 = MSW)
Multiple sector setting (can be changed by host).
Total number of sectors addressable in LBA Mode
Obsolete
Multi-Word DMA transfer support and selection (can be changed by host).
no multi-word DMA
Advanced PIO modes 3 and 4 supported
Minimum Multi-Word DMA transfer cycle time per Word.
Recommended Multi-Word DMA transfer cycle time.
Minimum PIO transfer cycle time without flow control
Minimum PIO transfer cycle time with IORDY flow control
Reserved
ATA version 5
740Bh*
82 -84
5000h*
6
Features/command sets supported
4000h*
7409h*
85-87
1000h*
6
Features/command sets enabled (can change in operation)
4000h*
88
89-91
92
93
94-127
128
129
130-255
101Fh*
0000h*
FFFE*
XXXXh*
0000h*
0XXXh
XX00h
YYYYh
2
6
2
2
68
2
2
252
Ultra DMA Mode Supported and Selected 0,1,2,3,4 (changes in operation)
Reserved
Master Password Revision Code
Hardware test result (changes in operation), if supported, esp. 40/80 cable
detection
Reserved
Security Status
Write Protect Status. Bit 15 = permanent write protect, no more spare blocks
Vendor unique bytes / Reserved
*
XXXX
YYYY
Standard values for full functionality, depending on configuration
Depending on drive capacity and drive geometry
Depending on drive configuration
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
P-120_data_sheet_PA-QxBO_Rev100.doc
Page 41 of 76
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