Tandy 3100
(250-1632)                 Mitsumi D359T3 Drive       Faxback Doc. # 17742

The Tandy 2100's and 3100's are shipping with the Mitsumi D359T3 Floppy 
Drive.  The drive select jumpers for this drive model are as follows:

DEFAULT JUMPER SETTINGS

     o  10  o
     o   9  o
            8
    ┌────────┐ 
    │o   6  o│
    └────────┘
            7
     o      o
     5
     
    ┌────────┐
    │o   3  o│
    └────────┘
     4      2
     o   1  o
   
PINOUTS

Name      Pin      Function
NC         1        N/A
NC         2        N/A
DS 1       3        Drive Select 1
DS 2       4        Drive Select 2
DS 0       5        Drive Select 0
SV         6        Auto Density Detection (always jumped)
HDI        7        High Density In
LDI        8        Low Density In
LD0        9        Low Density Out
HD0        10       High Density Out

NOTE:  The 2100/3100 drive select for both flopppy drives will be DS1.  
This is due to the cut and twist in the floppy drive cable.  If this drive 
is installed in a computer system that does not have the cut and twist in 
the floppy cable, drive A: wil be DS0 and drive B: will be DS1.


   ┌──┐               o                 o
   │o │               5                 5
   │5 │              ┌───────┐          ┌─┐           
   │  │              │o  3  o│          │o│  3  o
   │o │ 3  o         └───────┘          │ │
   └──┘               4                 │4│           
    4                 o                 │o│
    o                                   └─┘    
   
   DS0                DS1              DS2 


(ABO/tmc-11/01/95)