ST-9816AG (Marathon 810)

                            TOP       �� 44-pin I/O Connector (* see below)
                                      �                     o o
                                    ::::::::::::�::::::::1  o o
                               �P�W�A������������������������������
                                                �           � �
       pin-20 removed for keying ����������������           � �
                                                            � �
                                                            � �
 Drive is Master, no Slave drive present ������������������ 0 0
 Drive is Master, Seagate Slave drive present ������������� 1 0
 Drive is Slave to another Seagate 2.5" Master ������������ 0 1
 Cable Select ��������������������������������������������� 1 1

 * Drive uses +5vdc power supplied to the drive
   via the interface connector. The drive does
   NOT make use of a +12vdc power line.
   pin-41  +5vdc (Logic)
   pin-42  +5vdc (Motor)
   pin-43  Ground
   pin-44  Reserved


                             ST-9816AG
                             Marathon 810

       FORMATTED CAPACITY _______________________810
       ACTUATOR TYPE ____________________________VOICE COIL
       CYLINDERS __PHYSICAL______________________
       HEADS ______PHYSICAL______________________8
       DISCS (2.5 in) ___________________________4
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (Mbits/sec) _______up to 44
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 16.6
       PIO MODE _________________________________4
       DMA SUPPORT ______________________________EISA Type B
       SPINDLE SPEED (RPM) ______________________4,500
       AVERAGE LATENCY (mSEC) ___________________6.67
       BUFFER ___________________________________120 Kbyte
        Read/Write Multiple, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________ATA
       SECTORS PER DRIVE (LBA mode) _____________1,583,568
       TPI (TRACKS PER INCH) ____________________3,807
       BPI (KBITS PER INCH) _____________________90.0
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________6
       MAX FULL SEEK (ms) _______________________26
       MTBF (power-on hours) Office _____________300,000
       SHOCK (G's):
                operating (Read/Write) __________100
                abnormal ________________________
                nonoperating ____________________250
       ACOUSTICS (dBA) (typ/max) ________________26/33
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +5V START-UP (amps) __.70
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________2.1
                           IDLE _________________1.3
                           STANDBY ______________0.4
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO
       IBM AT DRIVE TYPE ________________________*

       Physical:
                        Height (inches/mm):     0.75/19.05
                        Width  (inches/mm):     2.76/70.10
                        Depth  (inches/mm):     4.01/101.85
                        Weight    (ozs/kg):     7.4/0.21


 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translations:
                       This translation is generally acceptable, as
                       is, for non-DOS operating systems:
       1571 cyl, 16 heads, 63 sectors = 810,786,816

                       DOS operating systems may require a system bios
                       that accepts larger values for the CMOS head
                       parameter which lowers cylinders below 1024:
        785 cyl, 32 heads, 63 sectors = 810,270,720

                       Other FULL-CAPACITY solutions for DOS operating
                       systems include third-party drive preparation
                       software, system BIOS which supports LBA mode
                       or bios driven host adapters. Otherwise,
                       capacity may be limited to:
       1024 cyl, 16 heads, 63 sectors = 528,482,304


Note: A "custom" or "user-defined" CMOS drivetype  may ask for a
numerical value for the Write Precompensation cylinder and for the
Landing Zone cylinder.  A basic rule-of-thumb for drive models that do
not require the old Write Precomp technique or a Landing Zone because
they are Auto-Parking is to add 1 to the cylinder value being used. As
an example: If cylinders equaled 820, then both Write Precomp and
Landing Zone would be entered as 821. Some BIOS will convert this to
65535 or -1, which are functionally equivalent to "none (not used)".

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track

Already low-level formatted at the factory.

Since a User-definable or Custom translation geometry may be used, it
is imperative that the values be written down and kept with your
permanent records for retrieval in the event of CMOS battery failure.


Seagate reserves the right to change, without notice, product 
offerings or specifications. (04/02/97)