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textfiles/computers/HARDDRIVES/st9655ag.txt

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2021-04-15 13:31:59 -05:00
SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
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<EFBFBD> United States +1 408 438-8771 <20> United Kingdom +44 628 478011 <20>
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<EFBFBD> Germany +49 89 140-9331 <20> Singapore +65 227-2217 <20>
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(C)opyright 1993
ST-9655AG
TOP <20><> 44-pin I/O Connector (* see below)
<20> o o
::::::::::::<3A>::::::::1 o o
<20>P<EFBFBD>W<EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20> <20> <20>
pin-20 removed for keying <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20>
<20> <20>
<20> <20>
Drive is Master, no Slave drive present <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 0
Drive is Master, Seagate Slave drive present <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 0
Drive is Slave to another Seagate 2.5" Master <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 1
Reserved Position (Do Not Use) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 1
* Drive uses +5vdc power supplied to the drive
via the interface connector. The drive does
NOT make use of a +12vdc power line.
pin-41 +5vdc (Logic)
pin-42 +5vdc (Motor)
pin-43 Ground
pin-44 Reserved
ST-9655AG
UNFORMATTED CAPACITY _____________________
FORMATTED CAPACITY (xx SECTORS) __________524
AVERAGE SECTORS PER TRACK ________________ rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________
CYLINDERS ________________________________(user)
HEADS ____________________________________8
DISCS (2.5 in) ___________________________4
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______16.1 to 28.2
EXTERNAL TRANSFER RATE (Mbytes) __________up to 13.3
SPINDLE SPEED (RPM) ______________________3,980
AVERAGE LATENCY (mSEC) ___________________7.54
BUFFER ___________________________________120 Kbyte
Multisegmented cache
INTERFACE ________________________________AT
SECTORS PER DRIVE ________________________1,024,128
TPI (TRACKS PER INCH) ____________________3,227
BPI (BITS PER INCH) ______________________72,100
FCI (FLUX DENSITY) _______________________44,360
AVERAGE ACCESS (ms) ______________________16
SINGLE TRACK SEEK (ms) ___________________6
MAX FULL SEEK (ms) _______________________26
MTBF (power-on hours) Office _____________300,000
ACOUSTICS (typ/max dBA) __________________30/33
SHOCK (G's):
operating/nonoperating _______100/100
SafeRite shock sensor
POWER REQUIREMENTS: +5V START-UP (amps) __1.2
POWER MANAGEMENT (Watts):
ACTIVE _______________1.85
IDLE _________________0.9
STANDBY ______________0.3
SLEEP ________________0.25
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO
IBM AT DRIVE TYPE ________________________*
Physical:
Height (inches/mm): 0.75/19.05
Width (inches/mm): 2.76/70.10
Depth (inches/mm): 4.01/101.85
Weight (ozs/kg): 7.4/0.21
* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)
Possible translation: 1016 cyl, 16 heads, 63 sectors = 524,353,536
Note: A "custom" or "user-definded" CMOS drivetype may ask for a
numerical value for the Write Precompensation cylinder and for the
Landing Zone cylinder. A basic rule-of-thumb for drive models that do
not require the old Write Precomp technique or a Landing Zone because
they are Auto-Parking is to add 1 to the cylinder value being used. As
an example: If cylinders equaled 820, then both Write Precomp and
Landing Zone would be entered as 821. Some BIOS will convert this to
65535 or -1, which are functionally equivalent to "none (not used)".
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track
Already low-level formatted at the factory.
Since a User-definable or Custom translation geometry may be used, it
is imperative that the values be written down and kept with your
permanent records for retrieval in the event of CMOS battery failure.
Seagate reserves the right to change, without notice, product
offerings or specifications. (08/17/94)
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