Silicon Image SSD-D32G(I)-4300 Computer Drive User Manual


 
ATA COMMAND BLOCK AND SET DESCRIPTION SSD-DXXX(I)-4300 DATA SHEET
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4300D-00DSR PAGE 47 FEBRUARY 27, 2009
20 0001h 2 Buffer type
0000h: Not specified
0001h: A single-ported, single-sector
buffer
0002h: A dual-ported multisector buffer
0003h: A dual-ported multisector buffer
with a read caching
21 0001h 2 Buffer size in 512-byte increments
22 0004h 2 Number of ECC bytes passed on read/
write long commands
23-26 XXXXh 8 Firmware revision (eight ASCII characters)
27-46 XXXXh 40 Model number (40 ASCII characters)
47 8001h 2 15-8: Maximum number of sectors that can
be transferred with a Read/Write Multiple
command per interrupt
48 0000h 2 Double word (32 bit) not supported
49 0f00h 2 11: IORDY supported
9: LBA supported
8: DMA supported
50 0000h 2 Reserved
51 0200h 2 15-8: PIO data transfer cycle timing
52 0000h 2 15-8: DMA data transfer cycle timing
53 0007h 2 2: Word 88 is valid
1: Words 64-70 are valid
0: Words 54-58 are valid
54 XXXXh 2 Current number of cylinders
55 XXXXh 2 Current number of heads
56 XXXXh 2 Current sectors per track
57-58 XXXXh 4 Current capacity in sectors
59 010Xh 2 7-0: Current sectors can be transferred
with a Read/Write Multiple command per
interrupt
60-61 XXXXh 4 Total number of sectors addressable in
LBA mode
Table 33: Identify Drive — Drive Attribute Data (Continued)
Word
Address
Data Default Bytes Data Description