104 lines
4.8 KiB
Plaintext
104 lines
4.8 KiB
Plaintext
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SEAGATE TECHNOLOGY, INC.
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Customer Technical Support FAX Network +1 408 438-8137
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Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
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<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><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><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
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<EFBFBD> United States +1 408 438-8771 <20> United Kingdom +44 628 478011 <20>
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<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><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><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ
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<EFBFBD> Germany +49 89 140-9331 <20> Singapore +65 227-2217 <20>
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<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><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><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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(C)opyright 1991
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ST-9052A
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<20><> 44-pin I/O Connector (* see below)
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<20> o o
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::::::::::::<3A>::::::::1 o o
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<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>
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<20> <20> <20>
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pin-20 removed for keying <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20>
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<20> <20>
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<20> <20>
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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
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Drive is Master, Seagate Slave drive present <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 0
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Drive is Slave to another ST9051A/ST9077A Master <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 1
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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
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* Drive uses +5vdc power supplied to the drive
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via the interface connector. The drive does
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NOT make use of a +12vdc power line.
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pin-41 +5vdc (Logic)
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pin-42 +5vdc (Motor)
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pin-43 Ground
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pin-44 Reserved
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ST-9052A
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UNFORMATTED CAPACITY (MB) ________________N/A
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FORMATTED CAPACITY (xx SECTORS) (MB) _____42.6
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ACTUATOR TYPE ____________________________VOICE COIL
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TRACKS ___________________________________
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CYLINDERS __PHYSICAL/LOGICAL______________NA/980
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HEADS ______PHYSICAL/LOGICAL______________ /5
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DISCS (2.5 in)____________________________1
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MEDIA TYPE _______________________________THIN FILM
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RECORDING METHOD _________________________ZBR RLL (2,7)
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TRANSFER RATE INTERNAL (mbits/sec)________up to 14.5
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SPINDLE SPEED (RPM) ______________________3,450
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AVERAGE LATENCY (mSEC) ___________________8.70
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BUFFER ___________________________________32/64 KByte SeaCache
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Multisegmented cache
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INTERFACE ________________________________AT BUS
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SECTORS PER DRIVE ________________________83,300
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TPI (TRACKS PER INCH) ____________________
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BPI (BITS PER INCH) ______________________
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AVERAGE ACCESS (ms) ______________________16
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SINGLE TRACK SEEK (ms) ___________________5
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MAX FULL SEEK (ms) _______________________27
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MTBF (power-on hours) ____________________150,000
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SHOCK (G's) operating/nonoperating _______10/150
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POWER REQUIREMENTS: +5V START-UP (amps) __0.9
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POWER MANAGEMENT (Watts):
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ACTIVE _______________1.9
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IDLE _________________0.8
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STANDBY ______________0.25
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SLEEP ________________0.25
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WRITE PRECOMP (cyl) ______________________N/A
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REDUCED WRITE CURRENT (cyl) ______________N/A
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LANDING ZONE (cyl) _______________________AUTO PARK
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IBM AT DRIVE TYPE ________________________*
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Physical:
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Height (inches/mm): 0.49/12.5
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Width (inches/mm): 2.76/70.10
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Depth (inches/mm): 4.01/101.9
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Weight (oz/kg): 6.0/0.17
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* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO
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SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
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AVAILABLE. (see below)
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Possible translation: 980 cyl, 5 heads, 17 sectors = 42,649,600
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Note: A "custom" or "user-definded" CMOS drivetype may ask for a
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numerical value for the Write Precompensation cylinder and for the
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Landing Zone cylinder. A basic rule-of-thumb for drive models that do
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not require the old Write Precomp technique or a Landing Zone because
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they are Auto-Parking is to add 1 to the cylinder value being used. As
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an example: If cylinders equaled 820, then both Write Precomp and
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Landing Zone would be entered as 821. Some BIOS will convert this to
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65535 or -1, which are functionally equivalent to "none (not used)".
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PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
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Already low-level formatted at the factory.
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Since a User-definable or Custom translation geometry may be used, it
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is imperative that the values be written down and kept with your
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permanent records for retrieval in the event of CMOS battery failure.
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Seagate reserves the right to change, without notice, product
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offerings or specifications. (10/21/91)
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