1                         SEAGATE TECHNOLOGY, INC.
2                              1-800-SEAGATE
3                          http://www.seagate.com
4                            (C)opyright 1991
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8ST-253  (94205-51) Wren 2 HH ST412 MFM
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12     Drive Select                                     .........Ŀ
13     o o o o o o o           1 Terminator             . O O O O . Power
14     o o o o o o o          ............Ŀ            \........./
15     1 2 3 4 R r reserved   ..............    1        12 G G 5
16     .......... ..    ...................... ...   ..................
17       .     .                ..Controller Cable
18       .     ...Radial
19       .........If twisted cable, use Drive Select 2
20
21                              ST-253
22                        94205-51 WREN 2 HH
23
24       UNFORMATTED CAPACITY (MB) ________________51
25       FORMATTED CAPACITY (17 SECTORS) (MB) _____43
26       ACTUATOR TYPE ____________________________VOICE COIL
27       TRACKS ___________________________________4,795
28       CYLINDERS ________________________________989
29       HEADS ____________________________________5
30       DISCS ____________________________________3
31       MEDIA TYPE _______________________________OXIDE
32       RECORDING METHOD _________________________MFM
33       TRANSFER RATE (mbits/sec) ________________5.0
34       SPINDLE SPEED (RPM) ______________________3,600
35       INTERFACE ________________________________ST412
36       TPI (TRACKS PER INCH) ____________________960
37       BPI (BITS PER INCH) ______________________9,535
38       AVERAGE ACCESS (ms) ______________________28
39       SINGLE TRACK SEEK (ms) ___________________5
40       MTBF (power-on hours) ____________________40,000
41       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
42                           +12V TYPICAL (amps) __1.5
43                           +5V START-UP (amps) __1.0
44                           +5V TYPICAL (amps) ___0.4
45                           TYPICAL (watts) ______20
46                           MAXIMUM (watts) ______??
47       BUFFERED STEP PULSE RATE (micro sec) _____8-200
48       WRITE PRECOMP (cyl) ______________________128
49       REDUCED WRITE CURRENT (cyl) ______________N/A
50       LANDING ZONE (cyl) _______________________AUTO PARK
51       IBM AT DRIVE TYPE ________________________*, 17 is close
52
53 * MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING
54   AND PARTITIONING SOFTWARE.  ALSO, CHECK TO SEE IF YOUR CMOS SETUP
55   HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.
56
57Seagate reserves the right to change, without notice, product
58offerings or specifications. (6/26/90)
59.