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-4766N (94191-766) Wren 6 FH SCSI /-- Some 16-pin configurations may not have these pins. | | #=============================# /-4-3-2-1-\ =====P=W=A=====#==#:::SCSI:Cable:::::::::::::::1#=# 0 0 0 0 #== /-\ | \=============================/ \-5-G-G-12/ |o|o o o o o o(o)o /--------1/--------1/--------1 Power +o+o o o o o o(o)o \--------/\--------/\--------/ \-/ 4 2 1 M P | | Terminator Resistor SIPS | --+-- | | | | | | | | | \- Reserved | | | | \--- Motor Start Delay ( 16 sec * ID) | | | \----- Parity option enable | | \------- Motor Start option enable | \----------- Drive ID's, ID 0 (none) if only SCSI device \----------------+ Terminator power from Drive (vertical) \ Terminator power from Bus (lower horizontal) ST-4766N 94191-766 WREN 6 FH UNFORMATTED CAPACITY (MB) ________________766 FORMATTED CAPACITY (54 SECTORS) (MB) _____676 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________24,480 CYLINDERS ________________________________1,632 HEADS ____________________________________15 DISCS ____________________________________8 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL TRANSFER RATE (mbytes/sec) _______________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) ____________________1,459 BPI (BITS PER INCH) ______________________30,500 AVERAGE ACCESS (ms) ______________________15.5 SINGLE TRACK SEEK (ms) ___________________3 MAX FULL SEEK (ms) _______________________37 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.5 +12V TYPICAL (amps) __1.5 +5V START-UP (amps) __1.0 +5V TYPICAL (amps) ___0.6 TYPICAL (watts) ______21 MAXIMUM (watts) ______59 BUFFERED STEP PULSE RATE (micro sec) _____N/A 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. Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)