HGST TRAVELSTAR 80GN 30GB ATA5 08K0910 User Manual
Product codes
08K0910
Travelstar 80GN Hard Disk Drive Specification
63
10.0 Register
Table 37: Register Set
Logic conventions: A = signal asserted
N = signal not asserted
x = either A or N
x = either A or N
Communication to or from the device is through an I/O Register that routes the input or output data to or from the
registers addressed by the signals from the host (CS0-, CS1-, DA2, DA1, DA0, DIOR- and DIOW).
registers addressed by the signals from the host (CS0-, CS1-, DA2, DA1, DA0, DIOR- and DIOW).
The Command Block Registers are used for sending commands to the device or posting status from the device.
The Control Block Registers are used for device control and to post alternate status.
Addresses
Functions
CS0-
CS1-
DA2
DA1
DA0
READ (DIOR-)
WRITE (DIOW-)
N
N
x
x
x
Data bus high impedence
Not used
Control block registers
N
A
0
x
x
Data bus high impedance
Not used
N
A
1
0
x
Data bus high impedance
Not used
N
A
1
1
0
Alternate Status
Device Control
N
A
1
1
1
Device Address
Not used
Command block registers
A
N
0
0
0
Data Data
A
N
0
0
1
Error Register
Features
A
N
0
1
0
Sector Count
Sector Count
A
N
0
1
1
LBA Low
LBA Low
A
N
0
1
1
LBA bits 0-7
LBA bits 0-7
A
N
1
0
0
LBA Mid
LBA Mid
A
N
1
0
0
LBA bits 8-15
LBA bits 8-15
A
N
1
0
1
LBA High
LBA High
A
N
1
0
1
LBA bits 16-23
LBA bits 16-23
A
N
1
1
0
Device
Device
A
N
1
1
0
LBA bits 24-27
LBA bits 24-27
A
N
1
1
1
Status
Command
A
A
x
x
x
Invalid address
Invalid address