Preface
- 5 -
1.3.3
Status Phase
Four status conditions are supported. They are
GOOD
00h
CHECK CONDITION
02h
BUSY
08h
RESERVATION CONFLICT
18h
When the IMMED bit is set to “1” (TRUE) in a command block, the drive returns
GOOD when the command is first interpreted. As the command is being executed, the
drive returns BUSY to successive commands until operation of the first command is
complete and the drive is ready to receive a new command.
Refer to Section 2.31 REQUEST SENSE for details on deferred error reporting.
1.3.4
In-Phase/Out-Phase Messages
The DRM/DR-U Series supports only those In-Phase and Out-Phase Messages that are
listed below and on the following page. The drive will return a MESSAGE REJECT
for any messages received other than those listed.
Message Msg 05h + 09h will cause the drive to go to BUS FREE PHASE without a
retry.
Message In-Phase (issued by drive)
COMMAND COMPLETE
00h
SAVE DATA POINTER
02h
DISCONNECT
04h
MESSAGE REJECT
07h
IDENTIFY
80h - FFh
SYNCHRONOUS DATA TRANSFER REQUEST
2
01h
2
From EXTEND MESSAGE (01h)
Содержание DR-706S
Страница 2: ...CD ROM SCSI 2 Command Set R e f e r e n c e M a n u a l V e r s i o n 3 1 OB U0077C ...
Страница 36: ...Inquiry 23 this page has been left intentionally blank ...
Страница 71: ...CD ROM SCSI 2 COMMAND REFERENCE MANUAL VERSION 3 1 OB U0077C 58 this page has been left intentionally blank ...
Страница 106: ...Read CD ROM Capacity 93 this page has been left intentionally blank ...
Страница 124: ...Read Sub Channel 111 this page has been left intentionally blank ...
Страница 130: ...Read TOC 117 this page has been left intentionally blank ...
Страница 140: ...Request Sense 127 this page has been left intentionally blank ...
Страница 158: ...Stop Play Scan 145 2 40 Stop Play Scan 4Eh The STOP PLAY SCAN CD ROM Command stops playback of CD ROM audio commands ...
Страница 164: ...Verify 12 151 2 43 Verify 12 AFh Operation code is AFh See VERIFY 10 for complete description of this command ...
Страница 172: ...Read CD DA 159 this page has been left intentionally blank ...