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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1991
ST-41651N Wren 8 FH SCSI-2 Fast
20-pin (2x10) configuration jumper-block version
Ϊ Synchronous Spindles option DC
³ Power
³ ΥΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΈ /ΔΔΔΔΔΔΔΔΔ\
ΝΝΝΝΝΝΝΝPΝWΝAΝΝΝΝΝΝΝΝΝ΅:SCSI:Cable:::::::::::::::::1ΖΝ΅ 0 0 0 0 ΖΝΝ
ΪΔΏ ΪΔΑΔΏ ΤΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΎ ΐΔ5ΔGΔGΔ12Ω
³o³o o o o o o o³o o³ ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1
ΕoΕo o o o o o o³o o³ ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ
ΐΔΩ 4 2 1 ΐΔΔΔΩ Terminator SIPS
³ ³ ΔΔΒΔΔ ³ ³ ³
³ ³ ³ ³ ³ ΐΔ Motor Start Delay (16 secs * ID)
³ ³ ³ ³ ΐΔΔΔ Parity check enable
³ ³ ³ ΐΔΔΔΔΔ Motor Start option enable
³ ³ ΐΔΔΔΔΔΔΔΔΔ Drive ID's, ID 0 (none) if only SCSI device
³ ΐΔΔΔΔΔΔΔΔΔΔΔΔΔ Terminator power to the Bus (vertical)
ΐΔΔΔΔΔΔΔΔΔΔΔΔΔΔΕ Terminator power from Drive, default (vertical)
³ Terminator power from Bus (lower horizontal)
16-pin (2x8) configuration jumper-block version
Ϊ Synchronous Spindles option DC
³ Power
³ ΥΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΈ /ΔΔΔΔΔΔΔΔΔ\
ΝΝΝΝΝΝΝΝPΝWΝAΝΝΝΝΝΝΝΝΝ΅:SCSI:Cable:::::::::::::::::1ΖΝ΅ 0 0 0 0 ΖΝΝ
ΪΔΑΔΏ ΤΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΎ ΐΔ5ΔGΔGΔ12Ω
³o o³o o o o o o ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1 ΪΔΏ
³o o³o o o o o o ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ ³o³o
ΐ1ΔΔΩ4 2 1 M P Terminator SIPS ΕoΕoΔΏ
ΔΔΒΔΔ ³ ³ ³ ΐΕΩ³ ³
³ ³ ³ ΐΔ Motor Start Delay (16 secs * ID) ³ ³ ³
³ ³ ΐΔΔΔ Parity check enable ³ ³ ³
³ ΐΔΔΔΔΔ Motor Start option enable ³ ³ ³
ΐΔΔΔΔΔΔΔΔΔ Drive ID's, ID 0 (none) if ³ ³ ³
only SCSI device ³ ³ ³
³ ³ ³
Terminator power from Drive, default (vertical) ΔΔΩ ³ ³
Terminator power to the Bus (vertical) ΔΔΔΔΩ ³
Terminator power from Bus (lower horizontal) ΔΔΔΔΔΔΩ
Both versions:
LED
ΪΔΔΔΏ (Viewed from front of drive) Ϊ GND
³ 0 ³ ³
ΝΝΝΝΟΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝPΝWΝAΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΨΝΝΝΝΝΝΝΝΝΝΝΝ
o o o J6
pin-1 (+5v) ----o o o
³ ³ ³
Remote LED connection ΔΔΩ ³ ³
Write Protect Remote ΕΔΔΔΩ ³
Switch cable connection ³ ³
Factory Use Only ΔΔΔΔΔΔΩ
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 ____________________________ROTARY VOICE COIL
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)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st41651n.txt.
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