ST-41651N  Wren 8 FH SCSI-2 Fast

20-pin (2x10) 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|   +------+ +------+ +------+
      +-+  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 (2x8) 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-41651N
                             WREN 8 FH

       UNFORMATTED CAPACITY (MB) ________________1,650
       FORMATTED CAPACITY (xx SECTORS) (MB) _____1,415*
       AVERAGE SECTORS PER TRACK (with spares)___87
       ACTUATOR TYPE ____________________________STRAIGHT ARM
       TRACKS ___________________________________31,605
       CYLINDERS ________________________________2,107 (user)
       HEADS ____________________________________15
       DISCS (5.25 in) __________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec) _______17 to 32
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______10.0 Sync.
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33

       BUFFER ___________________________________256 Kbyte
         Read Look-Ahead, Adaptive, Multi-
         Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast
       BYTES PER TRACK __________________________54,900 avg.
       SECTORS PER DRIVE ________________________2,749,635
       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
       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. (10/31/91)


Copyright © 1985 to 2022 Beta Systems                            Last modified: Wednesday, January 05, 2022 .