|
| |
ST-4026 ST412 MFM
/-4-3-2-1-\
| O O O O | Power
+---------+
+Data Cable +Controller Cable 1 5 G G 12
--------- -- -------------------- --- ------------
o o o o +-1
o o o o | |
Drive Select->1 2 3 4 | +- Resistor
| | | | | Termination Pack
| +++ +-+
| |
| +-Never Used (Drive Select 3 and 4)
+----If twisted cable, use Drive Select 2
ST - 4026
UNFORMATTED CAPACITY (MB) ________________25.6
FORMATTED CAPACITY (17 SECTORS) (MB) _____21.4
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________2,460
CYLINDERS ________________________________615
HEADS ____________________________________4
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________625
BPI (BITS PER INCH) ______________________9,617
AVERAGE ACCESS (ms) ______________________40
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________15,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.0
+12V TYPICAL (amps) __1.5
+5V TYPICAL (amps) ___1.5
TYPICAL (watts) ______25.5
MAXIMUM (watts) ______55
BUFFERED STEP PULSE RATE (micro sec) _____25-50
WRITE PRECOMP (cyl) ______________________N/A (616)
REDUCED WRITE CURRENT (cyl) ______________N/A (616)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________2
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |