360050398
Toshiba Corporation Digital Media Network Company
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Table 10.7-2 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)
