|
| |
ST-151 ST412 MFM
/---+
| 0 |12
| 0 |G
| 0 |G
| 0 |5
+Data Cable +Controller Cable 1 \---+
--------- -- -------------------- --- -------
o o o o o o o o +------------1
o o o o o o o o +--+---------+
| | | | 4 3 2 1 + Resistor Termination Pack
(front corner) | | | | ---+---
+o Optional | | | | |
+o LED | | | | +---- Drive Selects
Connector | | | +--------- Factory Test
| | +----------- Not Used
| +------------- Recovery Mode
+--------------- Radial
ST - 151
UNFORMATTED CAPACITY (MB) ________________50.8
FORMATTED CAPACITY (17 SECTORS) (MB) _____42.5
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________4,885
CYLINDERS ________________________________977
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
INTERFACE ________________________________ST412
SECTORS PER DRIVE ________________________83,045
TPI (TRACKS PER INCH) ____________________1,300
BPI (BITS PER INCH) ______________________14,108
AVERAGE ACCESS (ms) ______________________24
SINGLE TRACK SEEK (ms) ___________________8
MAX FULL SEEK (ms) _______________________44
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.45
+5V TYPICAL (amps) ___0.5
TYPICAL (watts) ______8
MAXIMUM (watts) ______27
BUFFERED STEP PULSE RATE (micro sec) _____3-200
WRITE PRECOMP (cyl) ______________________N/A (978)
REDUCED WRITE CURRENT (cyl) ______________N/A (978)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________17 or 11*
* MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING
AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP
HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |