|
| |
ST-4038 ST412 MFM
/-4-3-2-1-\
| O O O O | Power
+---------+
+Data Cable 1 5 G G 12
--------- -- -------------------- --- ------------
o o o o o o o o +1 +Controller Cable
o o o o o o o o ||
Drive Select->1 2 3 4 | | | | |+- Resistor Termination Pack
| | | | | | | ||
| +++ | | | | ++
| | | | | |
| | | | | |
| | | | | + Radial
| | | | +-- Recovery Mode
| | | +---- Write Fault
| | +------ Not Connected
| +--------- Never Used (Drive Select 3 and 4)
+ If twisted cable, use Drive Select 2
ST - 4038
UNFORMATTED CAPACITY (MB) ________________38.2
FORMATTED CAPACITY (17 SECTORS) (MB) _____31.9
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________3,665
CYLINDERS ________________________________733
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________750
BPI (BITS PER INCH) ______________________9,617
AVERAGE ACCESS (ms) ______________________40
SINGLE TRACK SEEK (ms) ___________________8
MTBF (power-on hours) ____________________25,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.0
+12V TYPICAL (amps) __1.5
+5V TYPICAL (amps) ___1.5
TYPICAL (watts) ______25.5
MAXIMUM (watts) ______56
BUFFERED STEP PULSE RATE (micro sec) _____10-70
WRITE PRECOMP (cyl) ______________________300
REDUCED WRITE CURRENT (cyl) ______________N/A (734)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________22, 20 or 8
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |