MiniScribe 3438 --- HELLLP!!!!

From: Don Maslin <donm_at_cts.com>
Date: Tue Mar 16 17:41:11 1999

On Tue, 16 Mar 1999, Jason Willgruber wrote:

> Does anyone on this vast earth know the jumper settings for a MiniScribe
> 3438 hard drive???

______O/_________
      O\
 
This should answer your questions.
                                                 - don
 
             ************************************************************
                         Miniscribe Disk Drive Specifications
                                        For
                                    Model: 3438
             ************************************************************
 
             FORM FACTOR 5.25 inch HH
             INTERFACE ST412/ST506
             DATA ENCODING METHOD 2,7 RLL
             DATA TRANSFER RATE (Mbit/Sec) 7.5
 
             DISK DRIVE CHARACTERISTICS
                HEADS 4
                CYLINDERS 615
                SECTORS/TRACK (512 Byte Sectors) 26
                WRITE PRECOMPENSATION CYLINDER 128
                REDUCED WRITE CURRENT CYLINDER 615
                MINIMUM STEP PULSE RATE (micro-Seconds) 2
                UNFORMATTED BYTES/TRACK 15,625
                RADIAL TRACK DENSITY (TPI) 588
                ROTATIONAL SPEED (RPM) 3,600
                UNFORMATTED CAPACITY (Millions of Bytes) 38.4
                FORMATTED CAPACITY (Millions of Bytes) 32.7
                FORMATTED CAPACITY (MB = 1,048,576 Bytes) 31.2
 
             ACCESS TIMES (mSec)*
                SINGLE TRACK 15
                ONE-THIRD STROKE** 85
                MAXIMUM 190
             *(BASED ON A 2 MICRO-SECOND STEP RATE)
             *(INCLUDES SETTLING)
             **(APPROXIMATION OF AVERAGE)
 
             POWER REQUIREMENTS
                DISSIPATION (Watts)
                   TYPICAL 14.5
                   MAXIMUM 17.4
                CURRENT (Amps)
                   +5 V DC (+ or - 5%) 0.5
                   +12 V DC (+ or - 5%) 1.0
                   MAXIMUM STARTUP CURRENT 3.5
 
             PHYSICAL DIMENSIONS
                HEIGHT (in) 1.625
                WIDTH (in) 5.75
                DEPTH (in) 8
                WEIGHT (lbs) 2.2
 
             OPERATIVE ENVIRONMENTAL LIMITS
                MINIMUM TEMPERATURE (Centigrade) 4
                MAXIMUM TEMPERATURE (Centigrade) 50
                THERMAL GRADIENT (Degrees C/Hour) 10
 
             RELIABILITY
                MTBF (Hours) 20,000
                MTTR (Minutes) 30
                COMPONENT DESIGN LIFE (Years) 5

             **************************************************
 
      3212 3412 3425/3438
     ------ ------ -----------
 
PIN 1 PIN 1 PIN 1
ON/OFF CLOSED / NU 1 CLOSED / NU 1 ON / NU
OFF CLOSED / TEST 2 CLOSED / TEST 2 ON / TEST
OFF CLOSED / TEST 3 CLOSED / TEST 3 ON / TEST
OFF CLOSED / TEST 4 CLOSED / TEST 4 ON / TEST
ON OPEN / DS 4 5 OPEN / DS 4 5 OFF / DS 4
ON OPEN / DS 3 6 OPEN / DS 3 6 OFF / DS 3
ON OPEN / DS 2 7 OPEN / DS 2 * 7 OFF / DS 2
OFF CLOSED / DS 1 8 CLOSED / DS 1 * 8 ON / DS 1
     SHUNT SHUNT SWITCH
* NOTE: If twisted cable or second drive,7 & 8 are switched;7 on-8 off.
 
Received on Tue Mar 16 1999 - 17:41:11 GMT