Seagate Technical Support Disc Drive Specifications DESK REFERENCE: This file will be maintained starting April 1992. 04/17/92 ST325N SCSI drive added. 05/18/92 Added ST-42400N. Correct spindle speeds on ST11200 family. 06/11/92 Corrected 3-pin power assignments on ST3144 family. Added ST-9052A. 07/13/92 Corrected description of Motor Start and Start Delay jumpers on ST11200 family Identified pin-1 of J5 on ST1480N family 07/16/92 Added T-res information to ST-2125N and ST-2209N (old 94221 family Wren 5)