Seagate Technology, Inc. Scotts Valley, CA Specifications and jumper settings: Older CDC/Imprimis Wren products NOT converted to new Seagate model numbers (see the file OLD2NEW.TXT for conversion chart) =========================================================================== 9415-5 xx (Wren 1) ST506 MFM Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 9415-5 21 Wren1 ST412 697 3 17 35,547 18,200,064 0 9415-5 25 Wren1 ST412 697 4 17 47,396 24,266,752 0 9415-5 28 Wren1 ST412 697 4 17 47,396 24,266,752 0 9415-5 36 Wren1 ST412 697 5 17 59,245 30,333,440 0 9415-5 38 Wren1 ST412 733 5 17 62,305 31,900,160 0 Drive Sel 旼컴컴컴컴컴컴� o o o o o � Term 1� o o o o o � 14 pin dip � 旼컴컴컴컴� 읕컴컴컴컴컴컴� � O O O O � Power 1 2 3 4 Radial \컴컴컴컴�/ Command 旼컴컴컴컴컴컴컴�1 12 G G 5 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴妄袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴� Data 旼컴컴컴컴컴컴커1 읕컴컴컴컴컴컴컴� 袴袴袴袴袴曲袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� 읕컴컴컴컴컴컴켸 =========================================================================== 94151-xx (Wren 2) SCSI (SASI subset) Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94151-25 Wren2 SASI 921 3 36 n/a(256 byte/sct) 94151-27 Wren2 SASI 921 3 19 n/a(512 byte/sct) 94151-42 Wren2 SASI 921 5 36 n/a(256 byte/sct) 94151-44 Wren2 SASI 921 5 19 n/a(512 byte/sct) 94151-59 Wren2 SASI 921 7 36 n/a(256 byte/sct) 94151-62 Wren2 SASI 921 7 19 n/a(512 byte/sct) 94151-76 Wren2 SASI 921 9 36 n/a(256 byte/sct) 94151-80 Wren2 SASI 921 9 19 n/a(512 byte/sct) 旼� Drive Select ID � 旼컴컴컨컴컴컴� �12횳횳�5커 �3 ea.컴커 o o o o o o o o o 郞袴袴袴袴袴袴袴袴袴袴袴袴� � 0 0 0 0 � 쿟erminator o o o o o o o o o �:::SCSI:Cable:::::::::::1� \컴컴컴컴�/ 읕컴컴컴켸 �S�0�1�2�3�4�5�6�7袴賈袴袴袴袴袴袴袴袴袴袴袴袴賈袴袴袴袴袴袴袴袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴 � Heads = 3 5 7 9 읕� Sector Block Size ON = 512 bytes/block 94151-27, 44, 62, 80 OFF = 256 bytes/block 94151-25, 42, 59, 76 =========================================================================== 94155-xxx (Wren 2) ST412 RLL Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94155-120 Wren2 ST412 960 8 26 199,680 102,236,160 Drive Sel 旼컴컴컴컴컴컴� o o o o o � Term 1� o o o o o � 14 pin dip � 旼컴컴컴컴� 읕컴컴컴컴컴컴� � O O O O � Power 1 2 3 4 Radial \컴컴컴컴�/ Command 旼컴컴컴컴컴컴컴�1 12 G G 5 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴妄袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴� Data 旼컴컴컴컴컴컴커1 읕컴컴컴컴컴컴컴� 袴袴袴袴袴曲袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� 읕컴컴컴컴컴컴켸 =========================================================================== 94155-xxx (Wren 2) ST412 MFM Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94155-36 Wren2 ST412 697 5 17 59,245 30,333,440 128 94155-48 Wren2 ST412 925 5 17 78,625 40,256,000 ? 94155-57 Wren2 ST412 925 6 17 94,350 48,307,200 ? 94155-67 Wren2 ST412 925 7 17 110,075 56,358,400 ? 94155-77 Wren2 ST412 925 8 17 125,800 64,409,600 ? Drive Sel 旼컴컴컴컴컴컴� o o o o o � Term 1� o o o o o � 14 pin dip � 旼컴컴컴컴� 읕컴컴컴컴컴컴� � O O O O � Power 1 2 3 4 Radial \컴컴컴컴�/ Command 旼컴컴컴컴컴컴컴�1 12 G G 5 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴妄袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴� Data 旼컴컴컴컴컴컴커1 읕컴컴컴컴컴컴컴� 袴袴袴袴袴曲袴袴袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� 읕컴컴컴컴컴컴켸 =========================================================================== 94156-xx (Wren 2) ESDI (MFM Recordiing Mode) Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94156-48 Wren2 ESDI 925 5 17 78,625 40,256,000 94156-67 Wren2 ESDI 925 7 17 110,075 56,358,400 94156-86 Wren2 ESDI 925 9 17 141,525 72,460,800 Drive Selects 커 (binary) 컴컨� 旼컴컴컴컴컴컴� 12 G G 5 4 2 1 � Term 1� 旼컴컴컴컴� o o o � 14 pin dip � �Command Cable � 0 0 0 0 � Power o o o 읕컴컴컴컴컴컴描컴컴컴컴컴컴컴커1 \컴컴컴컴�/ 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴曲袴袴袴袴袴袴� 曲袴袴袴袴袴袴袴 旼컴컴컴컴커1 읕컴컴컴컴컴컴컴� 袴袴袴袴袴袴袴袴袴曲袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� 읕컴컴컴컴켸 픁ata Cable 旼컴컴컴컴컴컴 Factory Test (off is normal) � 旼컴컴컴컴컴 Motor Start option enable � � 旼 Serial Mode (always on) � � SW1 � Sectors � 1 2 3 4 5 6 7 袴袴袴袴袴妄T�M袴袴袴袴�S袴 (512) 17 � 1 1 16 � 0 1 (located at front of drive 34 � 1 0 behind the front plate) 32 � 0 0 Address Mark � 1 1 1=on; 0=off Byte Clock � 0 1 Sector Pulse � 0 0 Sector Pulse � 1 0 =========================================================================== 94161-xxx (Wren 3) SCSI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94161- 86 Wren3 SCSI 969 5 35 169,575 86,822,400 94161-101 Wren3 SCSI 969 5 34 164,730 84,341,760 94161-103 Wren3 SCSI 969 6 35 203,490 104,186,880 94161-121 Wren3 SCSI 969 7 35 237,405 121,551,360 94161-138 Wren3 SCSI 969 8 35 271,320 138,915,840 94161-141 Wren3 SCSI 969 7 34 230,622 118,078,464 94161-155 Wren3 SCSI 969 9 34 296,514 151,815,168 (3 by 5 configuration jumper block) 旼컴컴 Motor Start Option enable (horizontal) � 旼 N/A � � 旼 Terminator Power from Bus o햛 x햤 o캐 (upper 2 pins) �12횳횳�5커 旼컴컴컴커 o o o o �o쬔 郞袴袴袴袴袴袴袴袴袴袴袴袴� � 0 0 0 0 � 쿟erminator o o o o 쿽� �:::SCSI:Cable:::::::::::1� \컴컴컴컴�/ 읕컴컴컴켸 袴袴�4�2�1�P賈T鳩袴鳩袴袴袴袴袴袴袴袴袴袴袴袴鳩袴袴袴袴袴袴袴袴袴袴袴袴� 袴袴曲曲曲曲袴妄袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴 읕탠� � � � � � Terminator Power (+5v) from drive (lower 2 pins) � 읕컴 Parity Check Option Enable (vertical) 읕컴컴컴 Drive Select ID's (vertical) (2 by 7 configuration jumper block) Terminator Power from Bus (horizontal) � �12횳횳�5커 旼컴컴컴커 o o o o o o햛 郞袴袴袴袴袴袴袴袴袴袴袴袴� � 0 0 0 0 � 쿟erminator o o o o o x o �:::SCSI:Cable:::::::::::1� \컴컴컴컴�/ 읕컴컴컴켸 �M�4�2�1�P�T�T袴鳩袴袴袴袴袴袴袴袴袴袴袴袴鳩袴袴袴袴袴袴袴袴袴袴袴袴� 曲曲曲曲曲袴曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� � 읕탠� � � � � � 읕 Terminator Power (+5v) from drive (lower 2 pins) � � 읕컴컴 Parity Check Option Enable (vertical) � 읕컴컴컴컴 Drive Select ID's (vertical) 읕컴컴컴컴컴컴 Motor Start Option enable =========================================================================== 94166-xxx (Wren 3) ESDI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94166-101 Wren3 ESDI 969 5 36 174,420 89,303,040 94166-121 Wren3 ESDI 969 6 36 209,304 107,163,648 94166-141 Wren3 ESDI 969 7 36 244,188 125,024,256 94166-161 Wren3 ESDI 969 8 36 279,072 142,884,864 �Drive Selects 旼컴컴컴컴컴컴� 12 G G 5 1 2 3 4 5 6 7 � Term 1� 旼컴컴컴컴� o o o o o o o � 14 pin dip � �Command Cable � 0 0 0 0 � Power o o o o o o o 읕컴컴컴컴컴컴描컴컴컴컴컴컴컴커1 \컴컴컴컴�/ 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴曲袴袴袴袴袴袴� 曲袴袴袴袴袴袴袴 旼컴컴컴컴커1 읕컴컴컴컴컴컴컴� 袴袴袴袴袴袴袴袴袴曲袴袴袴袴 曲袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴� 읕컴컴컴컴켸 픁ata Cable 旼 Motor Start option enable � | SW1 (located at front of drive behind the B/Sec � Sectors � 1 2 3 4 front plate) 袴袴袴妄袴袴袴袴曲�M袴袴袴 512 � 34 � 1 1 0 1=on; 0=off 512 � 35 � 1 0 0 512 � 36 � 0 1 0 256 � 64 � 0 0 0 � Add Mark � 1 1 1 =========================================================================== 94171-xxx (Wren 4) SCSI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94171-300 Wren4 SCSI 1412 9 ZBR 586,763 300,422,656 94171-307 Wren4 SCSI 1412 9 ZBR 586,763 300,422,656 94171-327 Wren4 SCSI 1412 9 ZBR 586,763 300,422,656 94171-344 Wren4 SCSI 1549 9 ZBR 631,016 323,080,192 Connects CHASIS ground to ground lug 컴컴컴컴컴컴컴� Connects SIGNAL ground to ground lug 컴컴컴컴컴컴� � Drive Select ID's 컴컴컴커 � � Motor Start Option enable 컴커 � G G Parity Check Option enable 커 � 旼탠� �1�2� P M 4 2 1 쿽쿽� �12횳횳�5커 o o o o o 쿽쿽� � 0 0 0 0 � Power o o o o o 읕좔� \컴컴컴컴�/ 袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴�Servo�PWA� 錮袴袴袴錮袴袴佶袴袴袴袴袴袴袴袴袴袴袴袴袴佶袴袴袴錮袴袴袴袴佶�Data�PWA袴 1컴컴컴켸 �:::SCSI Cable::::::::::::1 � 旼� 1컴컴컴컴� Terminator DIP 突袴袴袴袴袴袴袴袴袴袴袴袴袴� 쿽� o Terminator DIP 쿽탠o 읓� Terminator power (+5v) from drive (vertical) 컴켸 Terminator power from the Bus (lower horizontal) =========================================================================== 94186-xxx (Wren 5) FH ESDI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94186-265 Wren5 ESDI 1412 9 36 457,488 234,233,856 94186-324 Wren5 ESDI 1412 11 36 559,152 286,285,824 �Data Cable �Controller Cable /�5횳횳�12\ 袴袴袴袴 袴� 袴袴袴袴袴袴袴 袴� 固 0 0 0 0 팠� o o o o o 1컴컴컴컴컴커 o o o o o o o 읕컴컴컴컴� o o o o o 픖erminator켸 o o o o o o o 1 2 3 4 5 7 6 5 4 3 2 1 Motor Start 컴� � � � � 픁rive Selects option enable � � � 읕 Factory use Note: There are 2 types of PWA's. � � � only One with drive select header on the Sectors � � � left, and one with header on the 袴袴袴袴袴曲曲曲袴 right (like this). Pin positions 64 0 0 0 are the same. 35 0 0 1 10 0 1 0 0=open; 1=closed 19 0 1 1 36 1 0 0 34 1 0 1 87 1 1 0 Add Mark 1 1 1 =========================================================================== 94204-xx (Wren 2) HH AT Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94204-65 Wren2 AT 949 5 旼� Master on /Slave off � � Factory �12횳횳�5커 Power AT Cable Connector � 1 J2 � 0 0 0 0 � 1::::::::�:::::::::: :: ::::::::: \�1�2�3�4�/ 袴袴袴袴袴佶袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴 pin-20 key � � � For "non-C" model, jumper, if present, � � must remain on. Drive will not operate 읕캑 properly if jumper is removed (or added � if not originally there). � � For "C" model, jumper on indicates No � Slave Present; jumper off means Slave � Drive Is Present. 읕컴컴컴컴컴컴컴컴컴컴컴� =========================================================================== 94205-xx (Wren 2) HH ST412 MFM Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94205-30 Wren2 ST412 989 3 17 50,439 25,824,768 94205-41 Wren2 ST412 989 4 17 67,252 34,433,024 94205-53 Wren2 ST412 1024 5 17 87,040 44,564,480 Drive Select 旼컴컴컴컴� o o o o o o o 1 Terminator � O O O O � Power o o o o o o o 旼컴컴컴컴컴커 \컴컴컴컴�/ 1 2 3 4 R r reserved 읕컴컴컴컴컴켸 1 12 G G 5 袴袴袴袴袴 袴 袴袴袴袴袴袴袴袴袴袴袴 袴� 袴袴袴袴袴袴袴袴袴 � � 읕Controller Cable � 읕훀adial 읕컴컴컴횵f twisted cable, use Drive Select 2 =========================================================================== 94211-xxx (Wren 3) SCSI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94211-91 Wren3 SCSI 992 5 4 2 1 P �12횳횳�5커 旼컴컴컴컴컴컴컴컴컴커 A B C D E F G H o o o o � 0 0 0 0 � Power �:SCSI:Cable::::pin 1� o o o o o o o o o o o o \�1�2�3�4�/ 賈袴袴袴袴袴袴袴袴袴袴鳩袴袴袴袴袴袴袴袴袴袴佶袴袴袴袴袴袴袴袴� � � A-B Not used � 읕 Parity check B-C Terminator power from Bus 읕컴컴 Drive Select ID C-D Terminator power from Drive D-E Not used E-F Not used F-G Continuous test seeks G-H Motor Start option enable =========================================================================== 94221-xxx( Wren 5) HH SCSI Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94221-169 Wren5 SCSI 1310 5 ZBR 310,539 158,995,968 94221-184 Wren5 SCSI Power SCSI Cable 4 2 1 P �12횳횳�5커 郞袴袴袴袴袴袴袴袴袴拷 A B C D E F G H o o o o � 0 0 0 0 � �:::::::::::::::::::1� o o o o o o o o o o o o \컴컴컴컴�/ 賈袴袴袴袴袴袴袴袴袴袴鳩袴袴P�W�A袴袴袴袴袴錮袴袴袴袴袴袴袴袴袴 � � A-B Not used � 읕 Parity check B-C Terminator power from Bus � C-D Terminator power from Drive 읕컴컴 Drive Select ID D-E Not used (ID 0 for single E-F Not used drive system) F-G Continuous test seeks G-H Motor Start option enable =========================================================================== 94244-xxx (Wren 6) HH AT (IDE) Inter- Total Formatted Model Family face Cyl Hd SPT Sectors Capacity WPC ----------|------|------|-----|---|-----|---------|-------------|---- 94244-164 Wren6 AT 1747 3 54 283,014 144,903,168 94244-219 Wren6 AT 1747 4 54 377,352 193,204,224 94244-502 Wren6 AT 旼컴컴컴컴컴컴컴컴컴커 /컴컴컴�\ 袴孤1 AT (IDE) Cable 팠袴袴袴袴袴袴袴袴袴袴袴袴孤O O O O팠� 읕컴컴컴컴컴컴컴컴컴켸 o o o o o o o 읕컴컴컴� o o o o o o o 5 G G 12 G F E D C B A A B 0 0 Factory use only 0 1 Drive is Slave, motor start delay 20 sec from master start-up 1 0 Drive is Slave, no motor start delay 1 1 Drive is Master, motor starts at application of DC power C D 0 0 Physical mode 0 1 Translate (logical) mode, sparing scheme is one sector 1 0 Translate (logical) mode, no sparing space allocated 1 1 Factory use only E 0 Slave present, only meaningful on master 1 No Slave present F G x x Factory test, position G may or may not be present by PWA =========================================================================== 94246-xxx (Wren 6) HH ESDI � Data Cable � Controller Cable /4�3�2�1\ 袴袴袴袴 袴 袴袴袴袴袴袴袴 袴 袴袴袴袴袴袴袴�0 0 0 0팠袴 1컴컴컴컴컴커 o o o o o o o o 읕컴컴컴� 읕컴컴컴컴컴� o o o o o o o o 5 G G 12 Terminator 5 4 3 2 1 4 2 1 � � � � � 픁rive Selects Motor Start option enable 켸 � � � 읕 Factory use only � � � B/Sec � Sectors � � � 袴袴袴妄袴袴袴袴袴曲袴鳩鳩鳩 256 � 96 � 0 0 0 512 � 54 � 1 0 0 1=on, 0=off 1024 � 15 � 0 1 0 � Special � 1 1 0 512 � 53 � 0 0 1 512 � 51 � 1 0 1 1024 � 28 � 0 1 1 � Add/Mark � 1 1 1