67 lines
3.2 KiB
Plaintext
67 lines
3.2 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-252 ST412 MFM
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(same as ST-251 with Terminator that cannot be removed, therfore
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drive must be installed at the end of the daisychain cable.)
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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>- cannot be removed
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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 - 252
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UNFORMATTED CAPACITY (MB) ________________51.2
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FORMATTED CAPACITY (17 SECTORS) (MB) _____42.8
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ACTUATOR TYPE ____________________________STEPPER
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TRACKS ___________________________________4,920
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CYLINDERS ________________________________820
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HEADS ____________________________________6
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DISCS ____________________________________3
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MEDIA TYPE _______________________________THIN FILM
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RECORDING METHOD _________________________MFM
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TRANSFER RATE (mbits/sec) ________________5.0
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SPINDLE SPEED (RPM) ______________________3,600
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INTERFACE ________________________________ST412
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TPI (TRACKS PER INCH) ____________________777
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BPI (BITS PER INCH) ______________________9,935
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AVERAGE ACCESS (ms) ______________________40/28*
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SINGLE TRACK SEEK (ms) ___________________8
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MTBF (power-on hours) ____________________100,000
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POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
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+12V TYPICAL (amps) __0.5
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+5V TYPICAL (amps) ___1.0/1.2*
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TYPICAL (watts) ______11/12*
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MAXIMUM (watts) ______29/36*
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BUFFERED STEP PULSE RATE (micro sec) _____3-200
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WRITE PRECOMP (cyl) ______________________N/A (821)
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REDUCED WRITE CURRENT (cyl) ______________N/A (821)
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LANDING ZONE (cyl)________________________AUTO PARK
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IBM AT DRIVE TYPE ________________________44, 40, or 3**
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*ST251-0/ST251-1
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**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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