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-41650N Wren 8 FH SCSI-2 20-pin configuration jumper-block version / Synchronous Spindles option DC | Power | #=============================# /---------\ ========P=W=A=========#:SCSI:Cable:::::::::::::::::1#=# 0 0 0 0 #== /-\ /-+-\ \=============================/ \-5-G-G-12/ |o|o o o o o o o|o+o| /------1 /------1 /------1 +o+o o o o o o o|o-o| \------/ \------/ \------/ \1/ 4 2 1 \---/ Terminator SIPS | | --+-- | | | | | | | | \- Motor Start Delay (16 secs * ID) | | | | \--- Parity check enable | | | \----- Motor Start option enable | | \--------- Drive ID's, ID 0 (none) if only SCSI device | \------------- Terminator power to the Bus (vertical) \--------------+ Terminator power from Drive, default (vertical) | Terminator power from Bus (lower horizontal) 16-pin configuration jumper-block version / Synchronous Spindles option DC | Power | #=============================# /---------\ ========P=W=A=========#:SCSI:Cable:::::::::::::::::1#=# 0 0 0 0 #== /-+-\ \=============================/ \-5-G-G-12/ |o+o|o o o o o o /------1 /------1 /------1 /-\ |o-o|o o o o o o \------/ \------/ \------/ |o|o \1--/4 2 1 M P Terminator SIPS +o+o-\ --+-- | | | \+/| | | | | \- Motor Start Delay (16 secs * ID) | | | | | \--- Parity check enable | | | | \----- Motor Start option enable | | | \--------- Drive ID's, ID 0 (none) if | | | only SCSI device | | | | | | Terminator power from Drive, default (vertical) --/ | | Terminator power to the Bus (vertical) ----/ | Terminator power from Bus (lower horizontal) ------/ Both versions: LED /---\ (Viewed from front of drive) / GND | 0 | | ====#===#=============P=W=A==========================#============ o o o J6 pin-1 (+5v) ----o o o | | | Remote LED connection --/ | | Write Protect Remote +---/ | Switch cable connection | | Factory Use Only ------/ ST-41650N WREN 8 FH UNFORMATTED CAPACITY (MB) ________________1,650 FORMATTED CAPACITY (xx SECTORS) (MB) _____1,415 AVERAGE SECTORS PER TRACK (with spares)___87 ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________31,605 CYLINDERS ________________________________2,107 HEADS ____________________________________15 DISCS ____________________________________8 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec) _______17 to 32 SPINDLE SPEED (RPM) ______________________3,600 AVERAGE LATENCY (mSEC) ___________________8.33 BUFFER ___________________________________256 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 BYTES PER TRACK __________________________54,900 avg. TPI (TRACKS PER INCH) ____________________1,760 BPI (BITS PER INCH) ______________________ AVERAGE ACCESS (ms) ______________________15 SINGLE TRACK SEEK (ms) ___________________2.5 MAX FULL SEEK (ms) _______________________34 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.5 +12V TYPICAL (amps) __1.5 +5V START-UP (amps) __0.8 +5V TYPICAL (amps) ___0.6 TYPICAL (watts) ______21 MAXIMUM (watts) ______58 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 with one spare sector per track and two spare cylinders/unit. Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)