Silicon-image SiliconDrive SSDS00-3650H-R Manual do Utilizador descarregar pdf (Página 46)

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PAGE 34 JUNE 17, 2008 DOCUMENT: 3650H-02DSR

SSD-HXXX(I)-3650 DATA SHEET ATA COMMAND BLOCK AND SET DESCRIPTION

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 0001h 2 7-0: 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 0003h 2 • 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

62 0000h 2 Single-word DMA modes supported

Table 35: Identify Drive — Drive Attribute Data (Continued)

Word

Address

Data Default Bytes Data Description

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 77 78

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