DTK COMPUTER, INC.

PRM-0082I (VER. 1.01)

Device Type              Mainboard
Processor                Pentium II
Processor Speed          233/266/300/333MHz
Chip Set                 Intel 440EX
Audio Chip Set           ESS
Maximum Onboard Memory   512MB (EDO & SDRAM supported)
Cache                    256/512KB (located on the Pentium II CPU)
BIOS                     Award
Dimensions               244mm x 210mm
I/O Options              32-bit PCI slots (2), floppy drive interface,
                         game/MIDI port, IDE interfaces (2), parallel
                         port, PS/2 mouse port, serial ports (2), IR
                         connector, USB connectors (2), ATX power
                         connector, AGP slot, line in, line out,
                         microphone in, audio in – CD-ROMs (2)

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  AGP slot                  AGP       Reset switch                J3

  ATX power connector       ATX       Keylock                     J5

  Microphone in             CN1       IDE interface LED           J6

  Line in                   CN2       IR connector                J7

  Line out                  CN3       IDE interface 1             J9

  Serial port 1             CN4       IDE interface 2             J10

  Parallel port             CN5       Audio in – CD-ROM           J11
                                      (Sony)

  Serial port 2             CN6       Audio in – CD-ROM           J15
                                      (Panasonic)

  USB connector          CN7 & CN8    CPU fan power               J16

  PS/2 mouse port           CN9       Floppy drive                J19
                                      interface

  Game/MIDI port           CN14       Wake on LAN                 JP5
                                      connector

  Speaker                   J1        32-bit PCI slots         PC1 - PC

  Power switch              J2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   CMOS memory normal operation             J4           Pins 2 & 3
                                                              closed

      CMOS memory clear                        J4           Pins 1 & 2
                                                              closed

      System on after power failure           J24             Closed

      System off after power failure          J24              Open

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

     16MB        (1) 1M x 64   (1) 1M x 64

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

     32MB        (1) 2M x 64   (1) 2M x 64

     40MB        (1) 4M x 64   (1) 1M x 64

     48MB        (1) 4M x 64   (1) 2M x 64

     64MB        (1) 8M x 64      None

     64MB        (1) 4M x 64   (1) 4M x 64

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

     96MB        (1) 8M x 64   (1) 4M x 64

                    DIMM CONFIGURATION (CON’T)

         Size                 Bank 0                Bank 1

        128MB              (1) 16M x 64              None

        128MB              (1) 8M x 64            (1) 8M x 64

        136MB              (1) 16M x 64           (1) 1M x 64

        144MB              (1) 16M x 64           (1) 2M x 64

        160MB              (1) 16M x 64           (1) 4M x 64

        192MB              (1) 16M x 64           (1) 8M x 64

        256MB              (1) 16M x 64          (1) 16M x 64

        288MB              (1) 32M x 64           (1) 4M x 64

        320MB              (1) 32M x 64           (1) 8M x 64

        384MB              (1) 32M x 64          (1) 16M x 64

        512MB              (1) 32M x 64          (1) 32M x 64

  Note: Board will accept up to 256MB SDRAM or 512MB EDO memory.

                        CACHE CONFIGURATION

            The 256/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU speed      Clock speed        Multiplier              JP2

     233MHz           66MHz              3.5x          Pins 5 & 6 closed

     266MHz           66MHz               4x           Pins 1 & 2, 3 & 4
                                                            closed

     300MHz           66MHz              4.5x          Pins 3 & 4 closed

     333MHz           66MHz               5x           Pins 1 & 2 closed