Capacity: 
Speed: 
Average Read Time: 
 

                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1996


ST-9252N, Filepro 250 SCSI (Trigger CFN250S)

                                      �� 40-pin I/O Connector (* see below)
                            TOP       �
                                      �                            1
                                                             o o o o
                              �P�W�A� :::::::::::.:::::::1 ��� � � �
                                                 �
       pin-17 removed for keying �����������������

Pin assignments for the 2.5" drive SCSI interface connector

     (signal)          (pin)          (signal)
                    ����������Ŀ                               pin
     Reserved (NC)  � 1      2 �  Reserved (ND)                ID1 ID2 ID4
     Reserved (NC)  � 3      4 �  Reserved (ND)            ID ������������
              ID1-  � 5      6 �  ID2-                      0 � H   H   H
              ID4-  � 7      8 �  LED                       1 � L   H   H
                    ������������                            2 � H   L   H
                    ����������Ŀ                            3 � L   L   H
               +5v  � 1      2 �  +5v                       4 � H   H   L
           +5v Ret  � 3      4 �  +5v Ret                   5 � L   H   L
            Ground  � 5      6 �  DB0-                      6 � H   L   L
            Ground  � 7      8 �  DB1-                      7 � L   L   L
            Ground  � 9      10�  DB2-
            Ground  � 11     12�  DB3-                      H = high
            Ground  � 13     14�  DB4-                      L = low
            Ground  � 15     16�  DB5-
     Connector Key  � nopin  18�  DB6-
            Ground  � 19     20�  DB7-
            Ground  � 21     22�  Parity-
            Ground  � 23     24�  TRMPWR
              ATN-  � 25     26�  BSY-
            Ground  � 27     28�  ACK-
              RST-  � 29     30�  MSG-
            Ground  � 31     32�  SEL-
              I/O-  � 33     34�  C/D-
            Ground  � 35     36�  REQ-
           +5v Ret  � 37     38�  +5v Ret
               +5v  � 39     40�  +5v
                    ������������


                             ST-9252N
                 Filepro 250 SCSI (Trigger CFN250S)

       FORMATTED CAPACITY _______________________252.7
       ACTUATOR TYPE ____________________________VOICE COIL
       CYLINDERS __PHYSICAL______________________1339
       HEADS ______PHYSICAL______________________6
       DISCS (3.5 in) ___________________________3
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (Mbits/sec) _______18 to 28
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 6.0
       PIO MODE _________________________________2
       SPINDLE SPEED (RPM) ______________________4500
       AVERAGE LATENCY (mSEC) ___________________6.7
       BUFFER ___________________________________32K
        Read/Write Multiple, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________SCSI
       SECTORS PER DRIVE (LBA mode) _____________493,626
       TPI (TRACKS PER INCH) ____________________2611
       BPI (KBITS PER INCH) _____________________58,230
       AVERAGE ACCESS (ms) ______________________12
       SINGLE TRACK SEEK (ms) ___________________2.6
       MAX FULL SEEK (ms) _______________________20
       MTBF (power-on hours) Office _____________150,000
       SHOCK (G's):
                operating (Read/Write) __________10
                abnormal ________________________
                nonoperating ____________________200
       ACOUSTICS (bels) (typ/max) _______________34/
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS:  +5V START-UP (amps) _1.0
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________1.1
                           IDLE _________________1.0
                           STANDBY ______________.20
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO
       IBM AT DRIVE TYPE ________________________0 or none

       Physical:
                        Height (inches/mm):   .77/19.5
                        Width  (inches/mm):  2.75/69.8
                        Depth  (inches/mm):  4.00/101.6
                        Weight     (oz/kg):   7.0/0.20


Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product 
offerings or specifications. (03/13/96)