Table of Contents
Advertisement
abnormally and the ODD makes OR-operation to its self-diagnostics results of unit 0 (Device 0)
with X'80' and sets it in the Error register. If device 1 ends abnormally, the ODD sets the CHECK
bit of the Status register.
When the ODD is device 1
The ODD asserts the PDIAG- signal within five seconds. It sets X'01' in the Error register and
ends the command.
Detailed code
01h
02h-7Fh
8xh
4.5.6
GET MEDIA STATUS (X'DA')
7
CM
1
DH
X
CH
X
CL
X
SN
X
SC
X
FR
X
The GET MEDIA STATUS command respond with the ODD status.
The command ends abnormally in either of the conditions given below and sets the value shown in
Table 4.28 in the Error register.
!
When no media is inserted
!
When media is exchanged
!
When the Eject switch is pressed
!
When media is write-protected
4 - 30
Table 4.26 Self-diagnosis detailed code
Normally end
Hardware error
(For power-on and hardware reset only)
Device 1 ended abnormally. (For device 0 only)
Table 4.27 GET MEDIA STATUS command
6
5
4
1
0
1
X
X
DRV
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C156-E142-02EN
Meaning
Bit
3
2
1
0
X
X
X
X
X
X
X
X
X
X
X
X
1
0
1
0
X
X
X
X
X
X
X
X
X
X
X
X
Hide quick links:
Advertisement
Table of Contents
