DTK Computers

     Technical Information Sheet for PEM2030B V2
     S=shorted, O=open               DIP switch 1=on 0=off
     Utility Diskette is UTILDSK3.1_0
     Uses 32bit Memory board PEI-303B V2

     W1:8-bit I/O Wait State         W2:16-bit I/O Wait State
        1-2 S  4 WS                     1-2 S  One WS
        2-3 S  5 WS                     2-3 S  Two WS
     
     W3:Turbo Switch Connector       W4:Video Select
        1-2  S  8 Mhz                   1-2 S  Monochrome
        2-3  S  Keyboard Control        2-3 S  Color
        No Cap  20 MHz always     
     
     J:1Battery Connector            J3:Turbo LED                       
        <1> 6VDC                        <1> Ground
        <2> not used                    <2> Turbo LED                
        <3> Ground                      <3> Ground
        <4> Ground
                                     J5:Speaker connector
     J4:Keyboard lock                   <1> Speaker                     
        <1> Power LED                   <2> N.C.
        <2> Key                         <3> Ground         
        <3> Ground                      <4> Vcc
        <4> Keyboard inhibit                      
        <5> Ground                   J6:Reset Switch   
                                        <1> Hardware Reset
     JP11:ROM Size                      <2> Ground                                   
          1-2 S 32k (27128x2)
          2-3 S 64k (27256x2)        SW1:Memory Size
                                         JP1 JP2 JP3  Size         
     SW2:Printer Port Enable              S   S   S   <=2MB
        JP3  Printer Port                 O   S   S   <=4MB
         O   Enabled                      O   O   S   <=8MB
         S   Disabled                     O   O   O   <=16MB

     SW2:Printer Port Address        SW3:Printer Port IRQ
         JP4  Address                    JP3 JP4 IRQ#
          O   LPT1                        O   S   7
          S   LPT2                        S   O   5

     COM1:Port Enable                COM2:Port Enable
          SW2 SW3                         SW2 SW3
          JP1 JP1  Function               JP2 JP2  Function
           S   S   Enable                  S   S   Enable
           O   O   Disable                 O   O   Disable
           
     J7:Power Connector
        <1> +5VDC                 <7>  Ground
        <2> +5VDC                 <8>  Ground
        <3> +5VDC                 <9> -12VDC
        <4> -5VDC                <10> +12VDC
        <5>  Ground              <11> +5VDC
        <6>  Ground              <12>  Power Good