@T.I.M.: Gibts davon auch einen CDI Screenshot?
@Snoopy69: Nein, die speicherte keine Daten, die Steuerung der "MFM/RLL/ST412" Festplatten lief komplett über die Controllerkarte im PC, die Platten selbst hatten keine relevante Elektronik.
Nur falls es jemanden interessiert was eine ST-277R ist:
SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1991
ST-277R ST412 RLL
/Ä4Ä3Ä2Ä1Ä\
³ O O O O ³ Power
o o o o o o o o ÀÄÄÄÄÄÄÄÄÄÙ
ÚData Cable o o o o o o o o ÚController Cable 1 5 G G 12
ÍÍÍÍÍÍÍÍÍ ÍÍ ³ ³ ³ ³ ³ ³ ³ ³ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍ
³ ³ ³ ³ ³ ³ ³ ³ 1ÄÄÄÄÄÄÄÄÄÄÄÄ¿
³ ³ ³ ³ ³ ³ ³ ³ ÀÄTerminatorÄÙ
³ ³ ³ ³ ³ ³ ³ ³
Drive Select->1 2 3 4 ³ ³ ³ À Radial
³ ³ ³ ³ ³ ÀÄÄ Reserved
³ ÀÂÙ ³ ÀÄÄÄÄ Write Fault
³ ³ ÀÄÄÄÄÄÄ Factory Test
³ ÀÄÄÄÄÄÄÄÄÄ Never Used (Drive Select 3 and 4)
À If twisted cable, use Drive Select 2
ST - 277R
UNFORMATTED CAPACITY (MB) ________________76.9
FORMATTED CAPACITY (26 SECTORS) (MB) _____65.5
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________4,920
CYLINDERS ________________________________820
HEADS ____________________________________6
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (2,7)
TRANSFER RATE (mbits/sec) ________________7.5
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.3
INTERFACE ________________________________ST412
SECTORS PER DRIVE ________________________127,920
TPI (TRACKS PER INCH) ____________________777
BPI (BITS PER INCH) ______________________14,902
AVERAGE ACCESS (ms)*______________________40/28
SINGLE TRACK SEEK (ms) ___________________8
MAX FULL SEEK (ms) _______________________ /70
MTBF (power-on hours) ____________________70,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
+12V TYPICAL (amps) __0.5
+5V TYPICAL (amps) ___1.0/1.2*
TYPICAL (watts) ______11/12*
MAXIMUM (watts) ______29/36*
BUFFERED STEP PULSE RATE (micro sec) _____3-200
WRITE PRECOMP (cyl) ______________________N/A (821)
REDUCED WRITE CURRENT (cyl) ______________N/A (821)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE _______________________**
*ST277R-0/ST277R-1
* 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)
)
