SMCXXXAF Datasheet, PDF (57/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

SMCxxxAF
CF-ATA command description
Table 52. Identify drive information
Word
address
Default
value
Total
bytes
Data field type information
0
848Ah
2
General configuration (signature for the CompactFlash
memory card)
1
XXXXh
2
Default number of cylinders
2
0000h
2
Reserved
3
00XXh
2
Default number of heads
4
0000h
2
Obsolete
5
0000h
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
20
21
aaaa
0000h
0000h
20 Serial number in ASCII (right justified)
2
Obsolete
2
Obsolete
22
23-26
27-46
47
48
49
0004h
aaaa
aaaa
0001h
0000h
0200h
2
Reserved
8
Firmware revision in ASCII. Big endian byte order in word
40
Model number in ASCII (right justified) big endian byte order
in word
2
Maximum number of sectors on read/write multiple
command
2
Reserved
2
Capabilities
50
0000h
2
Reserved
51
0200h
2
PIO data transfer cycle timing mode
52
0000h
2
Obsolete
53
0003h
2
Field validity
54
XXXXh
2
Current numbers of cylinders
55
XXXXh
2
Current numbers of heads
56
57-58
XXXXh
XXXXh
2
Current sectors per track
4
Current capacity in sectors (LBAs) (word 57 = LSW, word 58
= MSW)
59
60-61
62-63
01XXh
XXXXh
0000h
2
Multiple sector setting
4
Total number of sectors addressable in LBA mode
4
Reserved
64
65-66
67
0003h
0000h
0078h
2
Advanced PIO modes supported
4
Reserved
2
Minimum PIO transfer cycle time without flow control
68
69-128
129-159
0078h
0000h
0000h
2
Minimum PIO transfer cycle time with IORDY flow control
120 Reserved
62 Manufacturer unique bytes
160-255
0000h
192 Reserved
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