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ST-4385N (94181-385H) Wren 5 - Wren Runner 1 - SCSI
Power
+-----------------------------+ /---------\
-----P-W-A------+:SCSI:Cable:::::::::::::::::1+-+ 0 0 0 0 +--
+-+ +-----------------------------+ +-5-G-G-12+
|o|x o o o o o(o) *-------1 *-------1 *-------1
+o+o o o o o o(o) +-------+ +-------+ +-------+
+-+ 4 2 1 Terminator SIPS (see note below *)
| --+-- | | |
| | | | +-Reserved (some PWA's do not have these pins)
| | | +---Parity check 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)
* Note: If you have #77701215k silk-screened near the 50-pin SCSI cable
connector, the pin-1 for the 3 terminating resistors is away from
the DC power connector.
ST-4385N
94181-385H/M WREN RUNNER FH
UNFORMATTED CAPACITY (MB) ________________385
FORMATTED CAPACITY (xx SECTORS) (MB) _____330
AVERAGE SECTORS PER TRACK ________________55
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________11865
CYLINDERS ________________________________791
HEADS ____________________________________15
DISCS ____________________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (2,7)
TRANSFER RATE (mbytes/sec) _______________1.875-2
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) ______________________22000
AVERAGE ACCESS (ms) ______________________10.7
SINGLE TRACK SEEK (ms) ___________________3
MAX FULL SEEK (ms) _______________________22.5
MTBF (power-on hours) ____________________100,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.6
+5V START-UP (amps) __1.0
+5V TYPICAL (amps) ___0.7
TYPICAL (watts) ______21
MAXIMUM (watts) ______59
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
ZBR = Zone Bit Recording = Variable sectors per track
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |