AMERICAN MEGATRENDS, INC.

EXCALIBUR PCI PENTIUM

Processor              Pentium
Processor Speed        60/66MHz
Chip Set               AMI
Max. Onboard DRAM      192MB
Cache                  256KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit PCI local bus slots (3), floppy drive
                       interface, green PC monitor connector,

                       IDE interface, parallel port, PS/2 mouse port, SCSI
                       interface, serial ports (2)
NPU Options            None


[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Bus mouse port              P6       Turbo switch               P28

  Parallel port               P8       IDE interface LED          P29

  SCSI interface              P9       Power LED & keylock        P31

  Serial port 2              P10       Speaker                    P33

  Floppy drive               P11       Reset switch               P34
  interface

  Green PC monitor           P13       32-bit PCI local bus       PCI1
  connector                            slot

  Serial port 1              P14       32-bit PCI local bus       PCI2
                                       slot

  IDE interface              P15       32-bit PCI local bus       PCI3
                                       slot

  Turbo LED                  P27

                        USER CONFIGURABLE SETTINGS

              Function                   Jumper/Switch        Position

  »   Parallel port interrupt                 J2             pins 1 & 2
      select IRQ7                                              closed

      Parallel port interrupt                 J2             pins 2 & 3
      select IRQ5                                              closed

  »   Parallel port DMA channel               J3             pins 2 & 3
      DRQ3                                                     closed

      Parallel port DMA channel               J3             pins 1 & 2
      DRQ1                                                     closed

  »   Front panel power LED is                J4             pins 1 & 2
      password LED                                             closed

      Separate password LED using             J4             pins 2 & 3
      P32                                                      closed

  »   Flash EPROM voltage 12 volts            J6             pins 2 & 3
                                                               closed

      Flash EPROM voltage 5 volts             J6             pins 1 & 2
                                                               closed

  »   Factory configured - do not             P24               N/A
      alter

  »   Speed select 60MHz                     SW1/1              Off

      Speed select 66MHz                     SW1/1               On

  »   Caching algorithm write-back           SW1/2              Off

      Caching algorithm                      SW1/2               On
      write-through

  »   Flash ROM normal operation             SW1/3              Off

      Reprogram the flash ROM from           SW1/3               On
      the floppy disk

  »   Factory configured - do not            SW1/4              Off
      alter

  »   Factory configured - do not            SW1/5              N/A
      alter

  »   Factory configured - do not            SW1/6              N/A
      alter

  »   Factory configured - do not            SW1/7              N/A
      alter

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       4MB        (2) 512K x 36         NONE            NONE

       6MB        (2) 256K x 36    (2) 256K x 36    (2) 256K x 36

       8MB        (2) 512K x 36    (2) 512K x 36        NONE

       8MB         (2) 1M x 36          NONE            NONE

      12MB        (2) 512K x 36    (2) 512K x 36    (2) 512K x 36

      12MB         (2) 1M x 36     (2) 512K x 36        NONE

      16MB         (2) 1M x 36      (2) 1M x 36         NONE

      16MB         (2) 2M x 36          NONE            NONE

      20MB         (2) 1M x 36      (2) 1M x 36     (2) 512K x 36

      20MB         (2) 2M x 36     (2) 512K x 36        NONE

      24MB         (2) 1M x 36      (2) 1M x 36      (2) 1M x 36

      24MB         (2) 2M x 36     (2) 512K x 36    (2) 512K x 36

      24MB         (2) 2M x 36      (2) 1M x 36         NONE

      32MB         (2) 4M x 36          NONE            NONE

      32MB         (2) 2M x 36      (2) 2M x 36         NONE

      32MB         (2) 2M x 36      (2) 1M x 36      (2) 1M x 36

      48MB         (2) 4M x 36      (2) 2M x 36         NONE

      48MB         (2) 4M x 36      (2) 1M x 36      (2) 1M x 36

      48MB         (2) 2M x 36      (2) 2M x 36      (2) 2M x 36

      64MB         (2) 8M x 36          NONE            NONE

      64MB         (2) 4M x 36      (2) 4M x 36         NONE

      64MB         (2) 4M x 36      (2) 2M x 36      (2) 2M x 36

      96MB         (2) 8M x 36      (2) 4M x 36         NONE

      96MB         (2) 8M x 36      (2) 2M x 36      (2) 2M x 36

      96MB         (2) 4M x 36      (2) 4M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36         NONE

      128MB        (2) 8M x 36      (2) 4M x 36      (2) 4M x 36

      192MB        (2) 8M x 36      (2) 8M x 36      (2) 8M x 36

                         DMA CHANNEL CONFIGURATION

             DRQ                        J3                    J5

  »         DRQ3/DACK3          pins 2 & 3 closed      pins 2 & 3 closed

             DRQ1/DRQ1          pins 1 & 2 closed      pins 1 & 2 closed

                     PCI IDE IRQ14 CONNECTION

              Type                            SW1/8

    PCI IDE installed in PCI1                   On

  PCI IDE not installed in PCI1                Off