Send mail to admin of this page: Robin.Miller@compaq.com
To Robin's home page.
Last modified: December 29th, 1999
og% scu -f /dev/rrz1c
scu> show nexus
Device: RZ29B, Bus: 0, Target: 1, Lun: 0, Type: Direct Access
scu> show edt lun 0
CAM Equipment Device Table (EDT) Information:
Device: RZ28 Bus: 0, Target: 0, Lun: 0, Type: Direct Access
Device: RZ29B Bus: 0, Target: 1, Lun: 0, Type: Direct Access
Device: RZ26 Bus: 0, Target: 2, Lun: 0, Type: Direct Access
Device: RZ28 Bus: 0, Target: 3, Lun: 0, Type: Direct Access
Device: TLZ06 Bus: 0, Target: 5, Lun: 0, Type: Sequential Access
Device: RRD43 Bus: 0, Target: 6, Lun: 0, Type: Read-Only Direct Access
scu>
scu> show pages supported
Mode Pages Supported by Device /dev/rrz1c (RZ29B):
Error Recovery Page (0x01), Page Length 10 (0x0a), Saveable Yes
Disconnect/Reconnect Page (0x02), Page Length 14 (0x0e), Saveable Yes
Direct Access Format Page (0x03), Page Length 22 (0x16), Saveable Yes
Rigid Disk Geometry Page (0x04), Page Length 22 (0x16), Saveable Yes
Verify Error Recovery Page (0x07), Page Length 10 (0x0a), Saveable Yes
Cache Control Page (0x08), Page Length 18 (0x12), Saveable Yes
Control Mode Page (0x0a), Page Length 6 (0x06), Saveable Yes
Notch and Partition Page (0x0c), Page Length 22 (0x16), Saveable Yes
CD-ROM Device Page (0x0d), Page Length 10 (0x0a), Saveable Yes
Vendor Specific Page (0000), Page Length 2 (0x02), Saveable Yes
scu> set paging off
scu> show pages
Mode Parameter Header:
Mode Data Length: 170
Medium Type: 0 (Default Medium Type)
Device Specific Parameter: 0x10 (Target Supports DPO & FUA bits)
Block Descriptor Length: 8
Mode Parameter Block Descriptor:
Density Code: 0
Number of Logical Blocks: 8380080
Logical Block Length: 512
Error Recovery Parameters (Page 1 - current values):
Page Header:
Page Code: 0x1
Parameters Savable: Yes
Page Length: 10
Disable Correction (DCR): No
Disable Transfer on Error (DTE): No
Post Recoverable Error (PER): Yes
Enable Early Correction (EEC): No
Read Continuous (RC): No
Transfer Block (TB): Yes
Automatic Read Allocation (ARRE): No
Automatic Write Allocation (AWRE): No
Read Retry Count: 33
Correction Span: 48 bits
Head Offset Count: 0
Data Strobe Offset Count: 0
Write Retry Count: 3
Recovery Time Limit: 65535ms
Disconnect/Reconnect Parameters (Page 2 - current values):
Page Header:
Page Code: 0x2
Parameters Savable: Yes
Page Length: 14
Buffer Full Ratio: 128/256 (50%)
Buffer Empty Ratio: 128/256 (50%)
Bus Inactivity Limit: 1000us
Disconnect Time Limit: 0 (No Limit)
Connect Time Limit: 0 (No Limit)
Maximum Burst Size: 0 (No Limit)
Data Transfer Disc Control: 0 (Disconnect control not used)
Direct Access Format Parameters (Page 3 - current values):
Page Header:
Page Code: 0x3
Parameters Savable: Yes
Page Length: 22
Tracks per Zone: 21
Alternate Sectors per Zone: 9
Alternate Tracks per Zone: 0
Alternate Tracks per Volume: 21
Sectors per Track: 113
Data Bytes per Physical Sector: 512
Interleave: 1
Track Skew: 9
Cylinder Skew: 16
Surface Addressing: 0
Removable Media: No
Hard Sector Format: Yes
Rigid Disk Geometry Parameters (Page 4 - current values):
Page Header:
Page Code: 0x4
Parameters Savable: Yes
Page Length: 22
Maximum Number of Cylinders: 3708
Maximum Number of Heads: 20
Write Precomp Starting Cylinder: 0
Reduced Write Current Cylinder: 0
Drive Step Rate: 0 (Targets' default)
Landing Zone Cylinder: 0 (Targets' default)
Rotational Position Locking: 0 (Disabled or not supported)
Rotational Offset: 0 (Not used)
Medium Rotation Rate: 7200 rpm
Verify Error Recovery Parameters (Page 7 - current values):
Page Header:
Page Code: 0x7
Parameters Savable: Yes
Page Length: 10
Byte 2: 0
Byte 3: 0x21
Byte 4: 0x30
Byte 5: 0
Byte 6: 0
Byte 7: 0
Byte 8: 0
Byte 9: 0
Byte 10: 0xff
Byte 11: 0xff
Cache Control Parameters (Page 8 - current values):
Page Header:
Page Code: 0x8
Parameters Savable: Yes
Page Length: 18
Read Cache Disable (RCD): No
Multiplication Factor (MF): No
Write Cache Enable (WCE): No
Write Retention Priority: 0 (Not distiguished)
Demand Read Retention Priority: 0 (Not distiguished)
Disable Prefetch Transfer Length: 65535 blocks
Minimum Prefetch: 0 blocks
Maximum Prefetch: 159 blocks
Maximum Prefetch Ceiling: 612 blocks
Control Mode Parameters (Page A - current values):
Page Header:
Page Code: 0xa
Parameters Savable: Yes
Page Length: 6
Report Log Exception Condition: No
Disable Tag Queuing: No
Queue Error Management: No
Queue Algorithm Modifier: 0x1 (Unrestricted re-ordering allowed)
Error Asynchronous Event: No
Unit Attention Async Event: No
Unit Ready Async Event: No
Extended Contingent Allegiance: Disabled
Unit Ready AEN Holdoff Period: 0ms
Notch and Partition Parameters (Page C - current values):
Page Header:
Page Code: 0xc
Parameters Savable: Yes
Page Length: 22
Byte 2: 0x80
Byte 3: 0
Byte 4: 0
Byte 5: 0x1d
Byte 6: 0
Byte 7: 0
Byte 8: 0
Byte 9: 0
Byte 10: 0
Byte 11: 0
Byte 12: 0
Byte 13: 0xe
Byte 14: 0x7f
Byte 15: 0x14
Byte 16: 0
Byte 17: 0
Byte 18: 0
Byte 19: 0
Byte 20: 0
Byte 21: 0
Byte 22: 0x10
Byte 23: 0
CD-ROM Device Parameters (Page D - current values):
Page Header:
Page Code: 0xd
Parameters Savable: Yes
Page Length: 10
Inactivity Timer Multiplier: 0 = Stay in hold track state for Vendor Specific
Number of S-units per M-units: 0
Number of F-units per S-units: 0
Vendor Specific Parameters (Page 0 - current values):
Page Header:
Page Code: 0
Parameters Savable: Yes
Page Length: 2
Byte 2: 0x20
Byte 3: 0
scu> set debug on
scu> set page cache
SCSI Cmd = 'mode sense', CDB length = 6, CDB bytes: 1a 0 48 0 20 0
'mode sense' completed, CAM status = 0x1 (CCB request completed w/out error)
Data received for 'mode sense' command:
0x140048aa0 1f 00 10 08 00 7f de b0 00 00 02 00 88 12 0d 00
0x140048ab0 00 00 ff ff ff ff 00 00 a0 ff 00 00 00 00 00 00
Completing 'mode sense' command with status 0 (SUCCESS).
SCSI Cmd = 'mode sense', CDB length = 6, CDB bytes: 1a 0 88 0 20 0
'mode sense' completed, CAM status = 0x1 (CCB request completed w/out error)
Data received for 'mode sense' command:
0x140048a70 1f 00 10 08 00 7f de b0 00 00 02 00 88 12 00 00
0x140048a80 ff ff 00 00 00 9f 02 64 80 03 00 00 00 00 00 00
Completing 'mode sense' command with status 0 (SUCCESS).
Setting Cache Control Parameters (Page 8)
SCSI Cmd = 'mode select', CDB length = 6, CDB bytes: 15 11 0 0 20 0
Data sent for 'mode select' command:
0x140048ad0 00 00 00 08 00 7f de b0 00 00 02 00 08 12 00 00
0x140048ae0 ff ff 00 00 00 9f 02 64 80 03 00 00 00 00 00 00
'mode select' completed, CAM status = 0x1 (CCB request completed w/out error)
Completing 'mode select' command with status 0 (SUCCESS).
scu> ! pwd
scu> shell
#
# exit
scu> sw /dev/rrz0c
Switching to device entry /dev/rrz0c (RZ28)...
scu> show inquiry
SCSI Cmd = 'inquiry', CDB length = 6, CDB bytes: 12 0 0 0 64 0
'inquiry' completed, CAM status = 0x1 (CCB request completed w/out error)
Data received for 'inquiry' command:
0x140060180 00 00 02 02 5b 00 00 16 44 45 43 20 20 20 20 20
0x140060190 52 5a 32 38 20 20 20 20 20 28 43 29 20 44 45 43
0x1400601a0 34 34 32 44 30 30 30 30 34 32 38 35 34 30 36 36
0x1400601b0 00 00 00 00 00 00 13 21 06 00 00 00 00 00 00 00
0x1400601c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1400601d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Completing 'inquiry' command with status 0 (SUCCESS).
Command 'get inquiry data' completed with residual count of 4.
Inquiry Information:
Peripheral Device Type: Direct Access
Peripheral Qualifier: Peripheral Device Connected
Device Type Modifier: 0
Removable Media: No
ANSI Version: SCSI-2 Compliant
ECMA Version: 0
ISO Version: 0
Response Data Format: ANSI SCSI-2
Terminate I/O Process: 0
Asynchronous Notification: 0
Additional Length: 91
Soft Reset Support: No
Command Queuing Support: Yes
Target Transfer Disable: Yes
Linked Command Support: No
Synchronous Data Transfers: Yes
Support for 16 Bit Transfers: No
Support for 32 Bit Transfers: No
Relative Addressing Support: No
Vendor Identification: DEC
Product Identification: RZ28 (C) DEC
Firmware Revision Level: 442D
Drive Serial Number: 000042854066
Vendor Specific Data: 30 30 30 30 34 32 38 35 34 30 36 36
00 00 00 00 00 00 13 21 06 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00
scu> exit
% scu -f /dev/rrz9c
scu> help set
.
.
.
set audio
Set parameters for a CD-ROM audio device.
Format:
{ address format { lba | msf } }
scu> set audio { density { hex-code | density-code } }
{ length block-length }
{ volume [ channel-{ 0 | 1 } ] level n }
Notes:
o Some CD-ROM's do not permit altering the density and/or
block length fields. For example, the DEC RRD42 (Sony
CDU-541) CD-ROM does not allow this, while the DEC RRD43/
RRD44 (Toshiba) CD-ROM's do allow this.
Aliases:
The alias 'cdrom' is accepted for the 'audio' keyword', since
this commands now controls both audio and CD-ROM parameters.
Subtopics available:
address density length volume
set audio subtopic: density
set audio density
Allows the density and/or block length to be changed. In the case
of the Toshiba XM-3401TA (RRD43/RRD44) CD-ROM's, setting the correct
density allows audio data to be read via the 'read media' command.
[ Hmmm... now that I can read this data what should I do with it? ]
Format:
scu> set cdrom density { hex-code | density-string }
Where 'density-string' is one of the following:
String Density Code Block Length
------ ------------ ------------
default 0x0 512
xa-support 0x81 2048
cd-da 0x82 2352
mode1-xa 0x83 2048
Notes:
o The hex codes > 0x80 are vendor unique (Toshiba here).
o You must set the density to 'cd-da' to read audio data.
o Reading of audio data can only be done with 'read media'
at this time, since 'scu' honors the device block size.
o If you set the density to 'cd-da', you will NOT be able
to access the CD-ROM with the normal CAM disk driver.
[ The disk driver doesn't change the density code, so
attempts to set the block size to 512 will fail. ]
o To be safe, set the density code to 'default' when you
are done reading audio data.
scu> show inquiry
Inquiry Information:
Peripheral Device Type: Read-Only Direct Access
Peripheral Qualifier: Peripheral Device Connected
Device Type Qualifier: 0
Removable Media: Yes
ANSI Version: SCSI-2 Compliant
ECMA Version: 0
ISO Version: 0
Response Data Format: ANSI SCSI-2
Terminate I/O Process: 0
Asynchronous Notification: 0
Additional Length: 91
Soft Reset Support: No
Command Queuing Support: No
Linked Command Support: Yes
Synchronous Data Transfers: Yes
Support for 16 Bit Transfers: No
Support for 32 Bit Transfers: No
Relative Addressing Support: Yes
Vendor Identification: TOSHIBA
Product Identification: CD-ROM XM-3401TA
Firmware Revision Level: 1094
Vendor Specific Data: 48 52 47 49 57 47 57 52 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00
scu> show audio toc
Table of Contents Summary:
Track 1: Audio Track, Time: 06:53, LBA: 0, Length: 124141
Track 2: Audio Track, Time: 05:13, LBA: 124140, Length: 93781
Track 3: Audio Track, Time: 05:21, LBA: 217920, Length: 96389
Track 4: Audio Track, Time: 07:00, LBA: 314308, Length: 125873
Track 5: Audio Track, Time: 04:38, LBA: 440180, Length: 83329
Track 6: Audio Track, Time: 03:24, LBA: 523508, Length: 61253
Track 7: Audio Track, Time: 06:56, LBA: 584760, Length: 124949
Track 8: Audio Track, Time: 03:33, LBA: 709708, Length: 63753
Track 9: Audio Track, Time: 07:38, LBA: 773460, Length: 137629
There are 9 audio tracks and 0 data tracks, with a total time of 50:36.
scu> show mode
Mode Parameters (Page 0 - current values):
Mode Parameter Header:
Mode Data Length: 11
Medium Type: 0 = Default Medium Type
Device Specific Parameter: 0
Block Descriptor Length: 8
Mode Parameter Block Descriptor:
Density Code: 0x83 = Mode-1 and XA Form-1 Support
Number of Logical Blocks: 0
Logical Block Length: 512
scu> set cdrom density cd-da
scu> show mode
Mode Parameters (Page 0 - current values):
Mode Parameter Header:
Mode Data Length: 11
Medium Type: 0 = Default Medium Type
Device Specific Parameter: 0
Block Descriptor Length: 8
Mode Parameter Block Descriptor:
Density Code: 0x82 = CD-DA SCSI Transfer Mode
Number of Logical Blocks: 0
Logical Block Length: 2352
scu>
scu> set watch off
scu> read media starting 0 length 100 compare off > audio.dat
Reading 100 blocks on /dev/rrz9c (RZxx)...
scu> set cdrom density default
scu> show mode
Mode Parameters (Page 0 - current values):
Mode Parameter Header:
Mode Data Length: 11
Medium Type: 0 = Default Medium Type
Device Specific Parameter: 0
Block Descriptor Length: 8
Mode Parameter Block Descriptor:
Density Code: 0 = Default Density Code
Number of Logical Blocks: 0
Logical Block Length: 512
scu> exit
% ls -ls audio.dat
240 -rw-r--r-- 1 rmiller system 235200 Dec 22 12:07 audio.dat
%