SEAGATE TECHNOLOGY, INC. Technical Support Bulletin Board 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1] (C)opyright 1990 Swift SCSI ST-1239NS (94351-230S) ΪΔΔΔ\ ³ O ³ 5 ³ O ³ G ³ O ³ G ³ O ³ 12 .................... o o o o o o ΐΔΔΔ/ 1................... o o o o o o ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ 1 2 4 ³ ³ ³ ΔΔΒΔΔ ³ ³ ΐΔ Synchronized Spindle Terminator Power Select ³ ³ ΐΔΔΔ Motor Control Header located on the side ³ ΐΔΔΔΔΔ Enable Parity Checking ΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔ ΐΔΔΔΔΔΔΔΔΔ Drive ID, binary - use (Back) A B (Front of drive) ID 0 (no jumpers) for C D single drive install A-B Drive from Power Connector (factory default) A-C Drive from SCSI Bus A-C&B-D Drive from Power Connector and Provide to SCSI Bus B-D Only provide to SCSI Bus Shrouded SCSI Connector Only ΪΔΔΔ\ ³ O ³ 5 ³ O ³ G ³ O ³ G ΪΔ If the SCSI connector has a plastic shroud, note pin-1 ³ O ³ 12 ΙΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ» o o o o o o ΐΔΔΔ/ Ί:::::::::::::::::::1Ί o o o o o o ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ 4 2 1 ³ ³ ³ ΔΔΒΔΔ ³ ³ ΐΔ Synchronized Spindle Terminator Power Select ³ ³ ΐΔΔΔ Motor Control Header located on the side ³ ΐΔΔΔΔΔ Enable Parity Checking ΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔ ΐΔΔΔΔΔΔΔΔΔ Drive ID, binary - use (Back) A B (Front of drive) ID 0 (no jumpers) for C D single drive install A-B Drive from Power Connector (factory default) A-C Drive from SCSI Bus A-C&B-D Drive from Power Connector and Provide to SCSI Bus B-D Only provide to SCSI Bus ST-1239NS 94351-230S Swift UNFORMATTED CAPACITY (MB) ________________239 FORMATTED CAPACITY (36 SECTORS) (MB) _____210 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________11,412 CYLINDERS ________________________________1,268 HEADS ____________________________________9 DISCS ____________________________________5 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL TRANSFER RATE (mbytes/sec) _______________1.25 INTERFACE ________________________________SCSI TPI (TRACKS PER INCH) ____________________1,543 BPI (BITS PER INCH) ______________________30,000 max AVERAGE ACCESS (ms) ______________________15 SINGLE TRACK SEEK (ms) ___________________4 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.5 +12V TYPICAL (amps) __0.7 +5V START-UP (amps) __0.75 +5V TYPICAL (amps) ___0.4 TYPICAL (watts) ______11 MAXIMUM (watts) ______34 BUFFERED STEP PULSE RATE (micro sec) _____6-200 WRITE PRECOMP (cyl) ______________________N/A (1269) REDUCED WRITE CURRENT (cyl) ______________N/A (1269) LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Already low-level formatted at the factory. Swift Remote LED Option Front View of Drive Without the Plastic Bezel ΪΔΔΔΒΔΔΔΏ ³ A ³ B ³ B = Anode ΓΔΔΔΕΔΔΔ΄ D = Cathode ³ C ³ D ³ ...ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΟΝΝΝΟΝΝΝΝΝPΝWΝAΝΝΝ... ψ Default jumper at C-D for LED mounted on drive PWA ψ To use remote LED, remove jumper and extend B (Anode) and D (Cathode). ψ Swift LED kit 75912397 allows connection to a remote LED ψ Swift LED kit 95913369 has an LED for attachment to the system front bezel or a 5.25-inch frame kit Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)