Sense Condition (F0H: Vendor Specific); Figure 116. Sense Condition Command (F0H) - IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive Specifications

13.27 Sense Condition (F0h: vendor specific)

Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7 6 5
CRC UNC 0
0 0 0

Figure 116. Sense Condition Command (F0h)

The Sense Condition command is used to sense temperature in a device. This command is executable
without spinning up even if a device is started with No Spin Up option. If this command is issued at the
temperature out of range which is specified for operating condition, the error might be returned with
IDN bit 1.
Input parameters to the device
Feature
Input parameters from the device
Sector Count
N
7 6 5 4 3 2 1 0
- - - - - - - -
0 0 0 0 0 0 0 1
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 0 0 0
4 3 2 1
IDN 0 ABT T0N AMN
V 0 V 0
The Feature register must be set to 01h. All other values are rejected with
setting ABORT bit in status register.
The Sector Count register contains result value.
Value Description
00h Temperature is equal to or lower than –20°C
01h–FEh Temperature is (Value/2–20)°C
FFh Temperature is higher than 107°C
Not recommendable condition for start up. If over stressed condition is detected,
this bit will be set to one.
Travelstar 60GH & 40GN hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
0 7 6 5
BSY RDY DF
0 V V V
158
7 6 5 4 3 2 1 0
- - - - - - - -
see below
V V V V V V V V
- - - - - - - N
- - - - - - - -
- - - - - - - -
- - - D - - - -
see below
4 3 2 1 0
DSC DRQ COR IDX ERR
- V - - V