home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Frostbyte's 1980s DOS Shareware Collection
/
floppyshareware.zip
/
floppyshareware
/
GLEN
/
SEA-SPEC.ZIP
/
ST253.TXT
< prev
next >
Wrap
Text File
|
1990-07-24
|
2KB
|
54 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright 1990
Wren 2 HH ST-506 ST-253 (94205-51)
ST-279R (94205-77)
Drive Select ┌─────────┐
o o o o o o o 1 Terminator │ O O O O │ Power
o o o o o o o ┌────────────┐ \─────────/
1 2 3 4 R r reserved └────────────┘ 1 12 G G 5
══════════ ══ ══════════════════════ ═══ ══════════════════
│ │ └─Controller Cable
│ └──Radial
└────────If twisted cable, use Drive Select 2
ST-253
94205-51 WREN 2 HH
UNFORMATTED CAPACITY (MB) ________________51
FORMATTED CAPACITY (17 SECTORS) (MB) _____43
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________4,795
CYLINDERS ________________________________989
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________OXIDE
RECORDING METHOD _________________________MFM
TRANSFER RATE (mbits/sec) ________________5.0
INTERFACE ________________________________ST506
TPI (TRACKS PER INCH) ____________________960
BPI (BITS PER INCH) ______________________9,535
AVERAGE ACCESS (ms) ______________________28
SINGLE TRACK SEEK (ms) ___________________5
MTBF (power-on hours) ____________________40,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __1.0
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______20
MAXIMUM (watts) ______??
BUFFERED STEP PULSE RATE (micro sec) _____8-200
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
IBM AT DRIVE TYPE ________________________17 *
* MAY REQUIRE FORMATTING/PARTITIONING SOFTWARE
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)