DTK Computers

     Technical Information Sheet for PEM2530
     S=shorted, O=open               DIP switch 1=on 0=off
     Utility Diskette is UTIKDSK4.1_0
     Uses 32bit Memory Board PEI-306
     
     J1:Keyboard lock                J2:Reset Switch
        <1> Power LED                   <1> Hardware Reset   
        <2> Not used                    <2> Ground
        <3> Ground
        <4> Keyboard inhibit         J3:Speaker connector
        <5> Ground                      <1> Speaker
                                        <2> N.C.
     W2:16bit Adapter Wait State        <3> Ground
         1-2 S  1 WS                    <4> Vcc
         2-3 S  2 WS
                                     W4:Turbo Switch Connector
     W3:8 bit Adapter Wait States       1-2  S  8 Mhz
        1-2 S  4 WS                     2-3  S  Keyboard Control
        2-3 S  5 WS                     No Cap  25 MHz always
     
     W5:Turbo LED                                
        <1> Vcc                      W6:Video Selection 
        <2> Turbo LED                   1-2 S  Monochrome
        <3> Vcc                         2-3 S  Color

     W7:Coprocessor Select           W8:BIOS Size
        1-2 S  Installed                1-2 S  256k
        2-3 S  Not Installed            2-3 S  512k

     CON7:Power Connector
        <1>  Power Good           <7>  Ground
        <2> + 5VDC                <8>  Ground
        <3> +12VDC                <9> -5VDC
        <4> -12VDC               <10> +5VDC
        <5>  Ground              <11> +5VDC
        <6>  Ground              <12> +5VDC

     RAM Installation               SW1
     Size  DRAM Type          W1    1 2
     1MB   (256Kbitx9)x4 SIP  2-3   1 1
     2MB   (512Kbitx9)x4 SIP  2-3   1 0
     4MB   (1Mbitx9)x4 SIP    1-2   0 1
     8MB   (1Mbitx36)x2 SIP   1-2   0 0