FUJITSU MCJ3230AP - Manual (Page 95)

4.5 ATA Commands
C156-E205-01EN 4-23
4.5.2 DEVICE RESET (08h)
Table 4.20 DEVICE RESET command
Bit
7 6 5 4 3 2 1 0
CM 0 0 0 0 1 0 0 0
DH X X X DEV X X X X
CH X X X X X X X X
CL X X X X X X X X
SN X X X X X X X X
SC X X X X X X X X
FR X X X X X X X X
The DEVICE RESET command resets the ODD.
When the ODD receives the DEVICE RESET command, it sets the BSY bit to 1.
After reset is completed, the ODD sets the BUSY bit to 0. INTRQ is not asserted.
4.5.3 EXECUTE DEVICE DIAGNOSTIC (90h)
Table 4.21 EXECUTE DEVICE DIAGNOSTIC command
Bit
7 6 5 4 3 2 1 0
CM 1 0 0 1 0 0 0 0
DH X X X X X X X X
CH X X X X X X X X
CL X X X X X X X X
SN X X X X X X X X
SC X X X X X X X X
FR X X X X X X X X
When the ODD receives this command, it recognizes self-diagnostics.