Date: Nov 10, 1993 X3T9.2/92-184 Rev 6 To: X3T9.2 Committee (SCSI) From: George Penokie (IBM) Subject: Codes, ASCs, ASCQs, and Values Committed to SCSI-3 Below is a list of all new ASCs, new ASCQs, new Command Op Codes, changes to existing commands, new Mode Pages, changed Mode Pages, changed Log parameters, new Messages, new Diagnostics Pages, and new Inquiry data which have been approved for inclusion into SCSI-3. Messages New Doc. No. Code Description 90-062R4 12h Continue I/O Process 90-062R4 13h Target Transfer Disable 90-136R3 14h Bus Device Reset Other Port 92-141R5 24h ACA Queue Tag 92-141R5 16h Clear ACA * 93-161Rx 17h Expanded Identify (8 bytes follow message) Messages Changed Doc. No. Message Bits Description 90-183R0 Identify 3-4 LUNTRN field expanded to 5 bits Commands New Doc. No. Code Description 90-048R7 57h Release (10) 90-048R7 56h Reserve (10) (Note: there is a typo in 90-048r7 which incorrectly indicates that the op code for this command is 16h) 90-110R2 B7h Read Defect Data (12) | 93-041R2 11h Port Status (6) Commands Changed Doc. No. Command Byte Bits Description 91-014R6 Start/Stop Unit 4 7-4 Power Conditions 92-006R1 Prevent allow 4 1-0 Prevent (changed from a 1 medium removal bit field to a 2 bit field No Doc All (Control Byte) 2 ACA Inquiry commands changed Inquiry Data Doc. No. Byte Bit Name Description 92-006R1 6 6 MChngr Medium Changer 90-136R3 6 5 PORT Connected Port A/B 90-136R3 6 4 DualP Dual Port Device 90-048R7 6 2 ACKQREQQ Q cable REQ and ACK supported 90-048R7 6 1 Addr32 32 bit wide data transfers supported 90-048R7 6 0 Addr16 16 bit wide data transfers supported 90-062R4 7 2 TranDis Transfer Disable Copy commands new function codes Doc. No. Function Code Description | 93-145r1 05h - 09h Reserved for SCSI-4 | 93-145r1 0Ah - 0Eh SAM complient COPY function codes Log Commands Changed Log Pages Doc. No. Block Byte Bit Name Description 90-201R1 Log Parameters 2 1 LBIN Binary List Parameter Send Diagnostics Command New Pages Doc. No. Code Description 92-130R3 41h Drive Status Status Code New Doc. No. Code Description 92-141R5 30h Auto Contingent Allegiance Active Mode Pages New Doc. No. Code Description 91-014R6 0Dh Power Condition Page 90-119R3 0Fh Data Compression Page Mode Parameter Block Descriptor Change Doc. No. Byte Description 93-032R1 1-3 Place Fs into field of No. of block is too large Mode Pages Changed Doc. No. Page Byte Bit Name Description 90-021R4 Caching(08h) 2 7 IC Initiator Control 90-021R4 Caching(08h) 2 6 ABPF Abort Pre-Fetch 90-021R4 Caching(08h) 2 5 CAP Caching Analysis Permitted 90-021R4 Caching(08h) 2 4 DISC Discontinuity 90-021R4 Caching(08h) 2 3 SIZE Size Enable 90-021R4 Caching(08h) 12 7 FSW Force Sequential Write 92-217R1 Caching(08h) 12 6 LBCSS Logical Block Cache Segment Size 90-021R4 Caching(08h) 12 5 DRA Disable Read-Ahead 92-217R1 Caching(08h) 12 4-3 Vendor Specific 92-217R1 Caching(08h) 12 2-0 Reserved 90-021R4 Caching(08h) 13 All Number of Cache Segments 90-021R4 Caching(08h) 14-15 All Cache Segment Size 90-021R4 Caching(08h) 17-19 All Non-Cache Segment Size 90-166R1 Dcon-rcon(02h) 12 7 EMDP Enable Modify Data Pointer 92-133R8 Dcon-rcon(02h) 12 3 DImm Disconnect Immediate 92-133R8 Dcon-rcon(02h) 12 0-2 DTDR Data Transfer Disc. Control (added 1 bit to field) 90-168R2 Control (0Ah) 1 All Page length = 0Ah 92-218R1 Control (0Ah) 2 1 GLTSD Global Logging Target Save Disable 90-168R2 Control (0Ah) 4 6 RAC Report a Check | 93-041R2 Control (0Ah) 4 5 ByprtM By Port Message | 93-041R2 Control (0Ah) 4 4 BybthS By Both RESET Signal 90-168R2 Control (0Ah) 8-9 All Busy Timeout Period Density Codes (Tape) Doc. No. Code Width mm (in) Density bpmm (bpi) Code Type ---- ------------- ------------------ ----- ---- 92-047r0 18H 12.7 (0.5) 1673 (42500) MFM C 92-047r0 19H TBD 92-047r0 1AH TBD 92-047r0 1BH TBD 92-083r2 1CH 6.3 (.25) 1654 (42000) MFM C 92-083r2 1DH 6.3 (.25) 1512 (38400) GCR C 92-083r2 1EH 6.3 (.25) 630 (36000) GCR C 92-083r2 1FH 6.3 (.25) 2666 (67733) RLL C 92-083r2 20H 6.3 (.25) 2666 (67733) RLL C 92-083r2 21H 6.3 (.25) 2666 (67733) RLL C 92-083r2 22H 6.3 (.25) 1600 (40640) GCR C 92-083r2 23H 6.3 (.25) 2666 (67733) RLL C 92-164r1 24H 3.81 (0.15) 2400 (61000) DDS-2 C 92-164r1 25H 3.81 (0.15) 3816 (97000) DDS-3 C 92-164r1 26H 3.81 (0.15) 3816 (97000) DDS-4 C | 93-163r1 xxH 8.0 (0.315) 3056 (77611) RLL CS Density Codes (Optical) Doc. No. Code Diameter Type Sector Tracks Sides Servo Reference mm (in) Size Standard ---- ---------- ---- -------- ------ ----- ----- --------- 93-020r1 0AH 130 (5.25) 512/1024 37600 2 CS ECMA-184 ASC/ASCQ New 93-066rx Lists all the SCSI-3 ASC/ASCQs Miscillanous Documents approved for SCSI-3 Doc. No. Description 90-001r1 SCSI-3 Wide Bus Driving Rules Selection and Reselection Phases 90-083r0 Alternative Initiator Control of Reselection (Last two paragraphs were accepted and included in 90-062r4.) 90-133r1 SCSI-3 Modifications to Outbound Disconnent Message 90-160r0 Pinout Control of SCSI Round Cable Assemblies 90-187r0 HP Standoffs on P Cables 91-106r4 Format Status Log Page 91-150r0 SDTR and WDTR Clarification 91-159r0 DIFFSENSE Signal Loading Issue 92-007r1 Proposed SCSI Identifier Symbols 93-037r4 When to issue SDTR after WDTR 93-077r0 Read Long Correct Bit vs DCR bit in Read/Write Recovery Mode Page 93-109r4 SCSI Configure AutoMatically * Not yet accepted by the SCSI committee