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From: ersys!davem@nro.cs.athabascau.ca (Dave McCrady)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Seagate drive. Anybody got the list?
Keywords: ST-406
Message-ID: <FaTww1w163w@ersys.uucp>
Date: 5 Feb 91 18:59:50 GMT
References: <85296@unix.cis.pitt.edu>
Organization: Edmonton Remote Systems, Edmonton, AB, Canada: Public Access USENET
Lines: 49

kwgst@unix.cis.pitt.edu (Filip Gieszczykiewicz) writes:

>Greetings. A few months ago, I saw a list floating around,
>here. It listed some Seagate drives, their number of sectors,
>heads, cylinders, and capacity. Anyone have it? 

>Specificly, I have a few ST-406's and have no idea what they
>are. The chips' date-code is from 1982 - old! It's a FH
>5 1/4". Preferably, I would like to know how to format/
>setup this drive with an IBM AT (as in the drive # that setup
>wants)

   Here's the bumph.   We're talking old, slow and small here...

                              ST - 406

       UNFORMATTED CAPACITY (MB) ________________6.38
       FORMATTED CAPACITY (32 SECTORS) (MB) _____5.0
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________612
       CYLINDERS ________________________________306
       HEADS ____________________________________2
       DISCS ____________________________________1
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________345
       BPI (BITS PER INCH) ______________________9,074
       AVERAGE ACCESS (ms) ______________________85
       SINGLE TRACK SEEK (ms) ___________________< 16.67
       MTBF (power-on hours) ____________________11,000
       POWER REQUIREMENTS: +12V START-UP (amps) _3.5
                           +12V TYPICAL (amps) __1.6
                           +5V TYPICAL (amps) ___1.1
                           TYPICAL (watts) ______24.7
                           MAXIMUM (watts) ______50.5
       BUFFERED STEP PULSE RATE (micro sec) _____5-500
       WRITE PRECOMP (cyl) ______________________128
       REDUCED WRITE CURRENT (cyl) ______________N/A (307)
       LANDING ZONE (cyl)________________________319
       IBM AT DRIVE TYPE ________________________N/A
                        ==========================



   Dave McCrady                 |  ersys!davem@nro.cs.athabascau.ca
+1 403-454-4054 (voice)         |  Disclaimer? Who needs a disclaimer?
+1 403-454-6093 (public USENET) |  I >own< the joint.