Seagate Technical Support Disc Drive Specifications DESK REFERENCE: This file will be maintained starting April 1992. 8/26/94 Added ST31230N and ST32430N. Updated ST12400W and ST15150N. 8/17/94 Added ST3240A, ST3295A and ST3660A. Updated missing info on ST9385A, ST9550A, ST9655A, ST3780A and ST31220A. 8/09/94 Added Medalist, Decathlon and Marathon names to appropriate models. Added ST31220A and ST3780A models. 8/08/94 Corrected External Transfer Rate for ST410800W. Added Force 1024 Cyls jumper to ST5660A. Added External Transfer Rates to Hawk and Barracuda drives. Corrected SPT avg for Barracuda 4 drives. 8/01/94 Updated wide Barracuda models to show J4 jumper MAY have 7 pairs. 5/31/94 Added Parity Enable to ST43401N. Updated ST5660N specs and jumpers. 5/10/94 Corrected ST740A width. Corrected Barracuda Family Depth (mm). Updated ST3390N average Sector per Track value. Clarified ST3x91A Family jumper drawing. 5/02/94 Corrected access times on ST3x91 family drives. 4/28/94 Added ST9385AG, ST9150AG, ST9240AG, ST9300AG, ST9655AG, ST15230N, ST15230W 4/14/94 Corrected Height measurement on several 9xxxA models. 3/24/94 Corrected the ST410800N and W info. 3/14/94 Corrected ST31200N family drives Parity Enable jumper reference (said Disable, sorry). Also clarified the same jumper on ST3610N family. 2/27/94 Added ST3250A, ST3291A, ST3391A and ST3491A. Updated ST7050P. Pulled ST11201N and ST42101N which were never mfg'd. 2/15/94 Corrected pwa reference on Terminator Power view for Hawk family drives. 2/11/94 Corrected specs that said "straight arm" actuator to "rotary voice coil". 1/17/94 Reordered the J2 numbering on the ST11200 family to match the Installation Guides. 12/17/93 Updated Baracuda differential models to show correct buffer size. 12/15/93 Added new products which where introduce at the Fall '93 Comdex. 34 new models (whew! ) 12/14/93 Minor change to Elite drive family concerning termination power options on Differential models. 11/09/93 Corrected ST7050P specs. Added mating cable connector info to ST31200N 11/08/93 Added Cable Select jumper info to ST3655A, ST3550A and ST3390A 11/04/93 Corrected number of cylinders on ST3655N to conform to mode select page 3 sector/track value. 10/12/93 Added jumper drawings to ST11950W and ST12550W. Removed T-res object from ST11900N and ST12400N jumper drawings since these models use a T-RES enable/disable jumper. Corrected avg sector per track on ST11900N. Added ST11900NC drawing to show new 80 pin I/O connector. Corrected ST11200N family access times to not include controller overhead. Added ST1950N and ST11830N (ST11200N family drives). 10/11/93 Changed model numbers:ST11951N ->ST11950W, ST12551N ->ST12550W (new SCSI-wide designations will use W instead of ..1N). Also fixed average sectors per track on Baracuda drives. Corrected Delayed Motor Start time on ST11200 family. 10/05/93 Updates specs on ST31200N. Added note to Baracuda models about differential termination. 09/15/93 Corrected avg sectors per track on ST3390N 09/12/93 Corrected T-res info on ST4182N 08/17/93 Update specs and jumper setting for ST9235N. 08/12/93 Removed ST11700N, ST11701N, ST11750N, ST11751N and replaced with updated versions ST11900N, ST11901N, ST11950N and ST11951N. 08/11/93 Removed ST9295N (never produced). 07/27/93 Corrected "default" terminator power designations on ST3283N, ST3390N and ST3550N. 06/22/93 Corrected ST9100AG power specs. Added ST3195A, ST9140AG, ST9190AG. 05/14/93 Added ST3390N. 05/13/93 Corrected ST1480N family t-res power from bus jumper. 05/12/93 Corrected ST9100AG total sectors and changed default translation geometry. Corrected ST3243A mtbf and power specs. Added ST9145AG, ST3123A, ST3145A, ST3290A, ST3390A, ST3655A. 03/10/93 Clarified front-to-back orientation of configuration jumper block on ST3600A. Corrected ST3243A board layout. Corrected ST41601N external transfer rate. 02/09/93 Corrected ST3600A Master with Slave Present jumper 02/02/93 Added reference to old/new style SCSI ID jumper block on ST3600, ST3610 and ST11200 families. Correct cylinder and head specs on ST43400 Elite 3 family. Pulled drawing in ST43402 and ST11201 (should show 68-pin wide scsi connector). 01/29/93 Added new PWA layout for ST3600A Family 12/18/92 Added all the NEW drives announced at COMDEX '92. 12/08/92 Updated ST3283N to show notch in I/O connector plastic shroud. Corrected MTBF and power specs. Corrected ST1980N internal transfer rate. 12/07/92 Added shock spec to ST9144 family. Updated left side view for ST3600N family to show early PCB layout for SCSI ID header. 12/01/92 Corrected Motor Start and Start Delay designations on ST3600N family. They were described in reverse. 11/12/92 Corrected external transfer rate on ST41601N 11/11/92 Clarified location of configuration jumpers on ST2106E. Noted perpendicular configuration header on ST412 members of the ST157 family. 10/22/92 Added ST3600 family drives (ST3500 A & N, ST3600 A & N) 10/12/92 Corrected order of jumper numbers on ST11200 family (incl ST1980N) J2 jumper block. Descriptions were OK, number wasn't. Also corrected ST11200N family data buffer amount. 09/28/92 ST3283 power specs and max full seek updated. Added pin-28 SPSYNC- info to front view of ST3283A. 09/8/92 Corrected perspective on ST3283 family front view. 07/16/92 Added T-res information to ST-2125N and ST-2209N (old 94221 family Wren 5) 07/13/92 Corrected description of Motor Start and Start Delay jumpers on ST11200 family Identified pin-1 of J5 on ST1480N family 06/11/92 Corrected 3-pin power assignments on ST3144 family. Added ST-9052A. 05/18/92 Added ST-42400N. Correct spindle speeds on ST11200 family. 04/17/92 ST325N SCSI drive added.