SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) /----------------------------------+---------------------------------\ | United States +1 408 438-8771 | United Kingdom +44 628 478011 | +----------------------------------+---------------------------------| | Germany +49 89 140-9331 | Singapore +65 227-2217 | \----------------------------------+---------------------------------/ (C)opyright 1991 ST-2209N (94221-209/M) Wren 5 HH SCSI Power SCSI Cable 4 2 1 P /12-G-G-5-\ #====================# 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 \---------/ =#====================#=====P=W=A============================== | | /\ /\ /\ A-B Not used | | || || || B-C Terminator power from Bus | | || || || C-D Terminator power from Drive | | \1 \1 \1 D-E Not used | | Terminator E-F Not used | | SIPs, pin-1 F-G Continuous test seeks | | toward rear. G-H Motor Start option enable | | | \- Parity check | Drive Select ID / (ID 0 for single drive system) ST-2209N 94221-209/M WREN 5 HH UNFORMATTED CAPACITY (MB) ________________209 FORMATTED CAPACITY (xx SECTORS) (MB) _____179 AVERAGE SECTORS PER TRACK ________________45 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________7720 CYLINDERS ________________________________1544 HEADS ____________________________________5 DISCS ____________________________________3 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR (RLL (2,7) TRANSFER RATE (mbytes/sec) _______________1.125-1.875 SPINDLE SPEED (RPM) ______________________3,600 AVERAGE LATENCY (mSEC) ___________________8.33 BUFFER ___________________________________32 Kbyte Read Look-Ahead, Non Adaptive, Single-Segmented Buffer INTERFACE ________________________________SCSI TPI (TRACKS PER INCH) ____________________1280 BPI (BITS PER INCH) ______________________19213 AVERAGE ACCESS (ms) ______________________18 SINGLE TRACK SEEK (ms) ___________________4 MAX FULL SEEK (ms) _______________________40 MTBF (power-on hours) ____________________100,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.5 +12V TYPICAL (amps) __0.9 +5V START-UP (amps) __1.3 +5V TYPICAL (amps) ___1.0 TYPICAL (watts) ______16 MAXIMUM (watts) ______61 BUFFERED STEP PULSE RATE (micro sec) _____ WRITE PRECOMP (cyl) ______________________N/A REDUCED WRITE CURRENT (cyl) ______________N/A LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Already low-level formatted at the factory. ZBR = Zone Bit Recording = Variable sectors per track Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)