DIAMOND FLOWER, INC.

P2MEX/A (REV.A+)

Device Type              Mainboard
Processor                Pentium II/Celeron
Processor Speed          233/266/300/333MHz
Chip Set                 Intel 440EX
Maximum Onboard Memory   256MB (EDO & SDRAM supported)
Cache                    0/128/256/512KB (located on the CPU)
BIOS                     Award
Dimensions               305mm x 244mm
I/O Options              32-bit PCI slots (2), floppy drive interface,
                         game interface, green PC connector, IDE
                         interfaces (2), parallel port, PS/2 mouse port,
                         PS/2 keyboard interface, serial ports (2), IR
                         connector, USB connectors (2), ATX power
                         connector, AGP slot, line in, line out,
                         microphone in

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  AGP slot                   AGP       IDE interface 1             J5

  ATX power                  ATX       AGP fan power               J6

  PS/2 mouse port            CN1       IR connector                J7

  USB connector 1            CN2       ATX/Standby LED            J8/A

  USB connector 2           CN2A       IDE interface LED          J8/B

  Serial port 1              CN3       Green PC LED               J8/C

  Parallel port              CN4       ATX power switch           J8/D

  Serial port 2              CN5       Green switch               J8/E

  Game port                  CN6       Reset switch               J8/F

  Speaker line out           CN7       Speaker                    J8/G

  Line in                    CN8       Power LED & keylock        J8/H

  Microphone in              CN9       Audio in – CD-ROM          JP2

  Chassis fan power          J1        Audio in – CD-ROM          JP4

  CPU fan power              J2        WOL connector              JP5

  Floppy drive               J3        Audio in – CD-ROM          JP7
  interface

  IDE interface 2            J4        32-bit PCI slots         PC1 - PC2

                        USER CONFIGURABLE SETTINGS

               Function                    Label            Position

  »   Wake-on-keyboard enabled              JP1        Pins 2 & 3 closed

      Wake-on-keyboard disabled             JP1        Pins 1 & 2 closed

  »   CMOS memory normal operation          JP3        Pins 1 & 2 closed

      CMOS memory clear                     JP3        Pins 2 & 3 closed

  »   Factory configured - do not          SW1/1               On
      alter

              DIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (1) 1M x 64        None

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

      16MB        (1) 2M x 64        None

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

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

      32MB        (1) 4M x 64        None

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

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

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

      64MB        (1) 8M x 64        None

      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

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

     128MB        (1) 16M x 64       None

     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

                            CACHE CONFIGURATION

  Note: 256/512KB cache is located on the Pentium II CPU. 128KB cache is
  located on the Celeron

  300A & 333 CPU.

                            CPU SPEED SELECTION

  CPU speed      Clock     Multiplier      SW1/2       SW1/3      SW1/4
                speed

   233MHz       66MHz         3.5x          On          Off        Off

   266MHz       66MHz          4x           Off         On          On

   300MHz       66MHz         4.5x          Off         On         Off

   333MHz       66MHz          5x           Off         Off         On