home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The World of Computer Software
/
World_Of_Computer_Software-02-385-Vol-1of3.iso
/
s
/
sg_mfm.zip
/
ST151.TXT
< prev
next >
Wrap
Text File
|
1991-07-12
|
3KB
|
70 lines
SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
┌──────────────────────────────────┬─────────────────────────────────┐
│ United States +1 408 438-8771 │ United Kingdom +44 628 478011 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1991
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
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________1,300
BPI (BITS PER INCH) ______________________14,108
AVERAGE ACCESS (ms) ______________________24
SINGLE TRACK SEEK (ms) ___________________8
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)