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Toshiba Corporation Digital Media Network Company
Page 57 of 153
© 2003, Copyright TOSHIBA Corporation All Rights Reserved
Table 11.7-2 Command Code
Command Code
Command Name Hex Value PARAMETERS USED
SC SN CY DRV HD FT
Nop 00H X X X O X X
Recalibrate 1xH X X X O X X
Read Sector(s) 20/21H O O O O O X
Read Sector(s) EXT 24h O O O O O X
Read DMA EXT 25H O O O O O X
Read Native Max Address EXT 27H X X X O X X
Read Multiple EXT 29H O O O O O X
Write Sector(s) 30/31H O O O O O X
Write Sector(s) EXT 34H O O O O O X
Write DMA EXT 35H O O O O O X
Set Max Address EXT 37H O O O O O X
Write Multiple EXT 39H O O O O O X
Write Verify 3CH O O O O O X
Read Verify Sector(s) 40/41H O O O O O X
Read Verify Sector(s) EXT 42H O O O O O X
Format Track 50H X X O O O X
Seek 7xH X X O O O X
Execute Diagnostics 90H X X X O X X
Initialize Device Parameters 91H O X X O O X
Download Microcode 92H O O X O X O
SMART B0H X X O O X O
Device Configuration B1H X X X O X O
Read Multiple C4H O O O O O X
Write Multiple C5H O O O O O X
Set Multiple Mode C6H O X X O X X
Read DMA C8/C9H O O O O O X
Write DMA CA/CBH O O O O O X
Power Control Stand-by Immediate E0 / 94H O X X O X X
Idle Immediate E1 / 95H O X X O X X
Stand-by E2 / 96H O X X O X X
Idle E3 / 97H O X X O X X
Check Power Mode E5 / 98H O X X O X X
Sleep E6 / 99H O X X O X X
Read Buffer E4H X X X O X X
Flush Cache E7H X X X O X X
Write Buffer E8H X X X O X X
Flush Cache EXT EAH X X X O X X
Identify Device ECH X X X O X X
Set Features EFH X X X O X O
Security Set Password F1H X X X O X X
Unlock F2H X X X O X X
Erase Prepare F3H X X X O X X
Erase Unit F4H X X X O X X
Freeze F5H X X X O X X
Disable Password F6H X X X O X X
Read Native Max Address F8H X X X O X X
Set Max F9H O O O O O X
Read Sence Data FCH X X X O X O
Note: O and X are defined as follows.
O = Must contain valid information for this command.
X = Don't care for this command.
Parameters are defined as follows.
SC = SECTOR COUNT register.
SN = SECTOR NUMBER register.
CY = CYLINDER LOW and CYLINDER HIGH register.
DRV = DRIVE SELECT bit (bit 4 in DRIVE/HEAD register)
HD = HEAD SELECT bits (bit 3-0 in DRIVE/HEAD register)
FT = FEATURES register (WRITE PRECOMPENSATION register)