65 lines
3.1 KiB
Plaintext
65 lines
3.1 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-250R ST412 RLL
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/<2F>4<EFBFBD>3<EFBFBD>2<EFBFBD>1<EFBFBD>\
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<20> O O O O <20> Power
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o o o o o o o o <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<20>Data Cable o o o o o o o o <20>Controller Cable 1 5 G G 12
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20> <20> <20> <20> <20> <20> <20> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<20> <20> <20> <20> <20> <20> <20> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
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<20> <20> <20> <20> <20> <20> <20> <20> <20><>Terminator<6F><72>
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<20> <20> <20> <20> <20> <20> <20> <20>
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Drive Select->1 2 3 4 <20> <20> <20> <20> Radial
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<20> <20> <20> <20> <20> <20><><EFBFBD> Reserved
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<20> <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> Write Fault
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<20> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Factory Test
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<20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Never Used (Drive Select 3 and 4)
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<20> If twisted cable, use Drive Select 2
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ST - 250R
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UNFORMATTED CAPACITY (MB) ________________50.0
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FORMATTED CAPACITY (31 SECTORS) (MB) _____42.3
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ACTUATOR TYPE ____________________________STEPPER
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TRACKS ___________________________________2,668
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CYLINDERS ________________________________667
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HEADS ____________________________________4
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DISCS ____________________________________2
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MEDIA TYPE _______________________________THIN FILM
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RECORDING METHOD _________________________RLL
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TRANSFER RATE (mbits/sec) ________________7.5
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SPINDLE SPEED (RPM) ______________________3,000
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INTERFACE ________________________________ST412
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TPI (TRACKS PER INCH) ____________________588
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BPI (BITS PER INCH) ______________________18,897
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AVERAGE ACCESS (ms) ______________________70
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SINGLE TRACK SEEK (ms) ___________________20
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MTBF (power-on hours) ____________________100,000
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POWER REQUIREMENTS: +12V START-UP (amps) _2.4
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+12V TYPICAL (amps) __0.9
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+5V TYPICAL (amps) ___0.8
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TYPICAL (watts) ______14.8
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MAXIMUM (watts) ______33
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BUFFERED STEP PULSE RATE (micro sec) _____5-200
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WRITE PRECOMP (cyl) ______________________N/A (668)
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REDUCED WRITE CURRENT (cyl) ______________N/A (668)
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LANDING ZONE (cyl)________________________670
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IBM AT DRIVE TYPE ________________________N/A*
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*MUST BE USED WITH THE ST11R CONTROLLER OR 16-BIT
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CONTROLLER; MAY REQUIRE PARTITIONING SOFTWARE
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Seagate reserves the right to change, without notice, product
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offerings or specifications. (6/26/90)
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