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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1991
ST-4766E (94196-766) (94196-383 same jumpers) Wren 6 FH ESDI
ÚData Cable ÚController Cable /Ä5ÄGÄGÄ12\
ÍÍÍÍÍÍÍÍ ÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍ Í³ 0 0 0 0 ÆÍÍ
o o o o o o 1ÄÄÄÄÄÄÄÄÄÄÄ¿ oÂo o o o o o o o ÀÄÄÄÄÄÄÄÄÄÙ
o o o o o o ÀTerminatorÄÙ ³ o o o o o o o
1 2 3 4 5 6 ³ 7 6 5 4 3 2 1
Motor Start ÄÄÙ ³ ³ ³ ³ À Reserved ³ ÀDrive Selects
option enable ³ ³ ³ ÀÄÄ Factory use ³
³ ³ ³ only ÀÄÄ Write Protect drive
Sectors ³ ³ ³ option enable
ÍÍÍÍÍÍÍÍÑÍÍØÍØÍØÍÍ
96 ³ 0 0 0
53 ³ 0 0 1 = 664,289,280
Undefined ³ 0 1 0 0=open; 1=closed
Special ³ 0 1 1
54 ³ 1 0 0 = 676,823,040
51 ³ 1 0 1 = 639,221,760
Undefined ³ 1 1 0
Add Mark ³ 1 1 1
ST-4766E
94196-766 WREN 6 FH
UNFORMATTED CAPACITY (MB) ________________766
FORMATTED CAPACITY (53 SECTORS) (MB) _____664 **
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________24480
CYLINDERS ________________________________1632
HEADS ____________________________________15
DISCS ____________________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (2,7)
TRANSFER RATE (mbytes/sec) _______________1.875
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
INTERFACE ________________________________ESDI
TPI (TRACKS PER INCH) ____________________1459
BPI (BITS PER INCH) ______________________30500
AVERAGE ACCESS (ms) ______________________15.5
SINGLE TRACK SEEK (ms) ___________________3
MAX FULL SEEK (ms) _______________________37
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.6
+5V START-UP (amps) __0.8
+5V TYPICAL (amps) ___1.2
TYPICAL (watts) ______20
MAXIMUM (watts) ______58
BUFFERED STEP PULSE RATE (micro sec) _____
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________*
* 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.
** ESDI controllers which offer an Alternate/Spare sector per track
option will format to a capacity = Cyl*Hd*(SPT-1)*512 bytes
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/esdi/st4766e.txt.
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