
COMPUTREND SYSTEMS, INC.

PCI PENTIUM AL3

Processor              Pentium
Processor Speed        75/90/100MHz
Chip Set               ALI
Max. Onboard DRAM      192MB
Cache                  256/512/1024KB
BIOS                   AMI
Dimensions             330mm x 220mm
I/O Options            32-bit PCI slots (3), floppy drive interface, green
                       PC connector, IDE interfaces (2), parallel port,
                       serial ports (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  Serial port 1            CN1        Turbo LED             JFP pins 12 &
                                                                 13

  Serial port 2            CN2        Turbo switch          JFP pins 15 -
                                                                 17

  Floppy drive             CN3        Reset switch          JFP pins 19 &
  interface                                                      20

  Parallel port            CN4        IDE interface LED         JFPA

  IDE interface 2          CN5        Green PC connector        JG1
                                      (monitor)

  IDE interface 1          CN6        Green PC LED              JG2

  External battery         JB1        Green PC connector        JG3

  Power LED &          JFP pins 1 -   Chassis fan power         JP10
  keylock                   5

  Speaker              JFP pins 7 -   32-bit PCI slots       PC1 - PC3
                           10

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal            JB1           Pins 2 & 3
                                                              closed

      Battery type select external            JB1             Closed

     Flash BIOS voltage select 12v           JP2           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP2           Pins 2 & 3
                                                              closed

     Power good signal detect from           JP5           Pins 2 & 3
      board                                                   closed

      Power good signal detect from           JP5           Pins 1 & 2
      power supply                                            closed

      IDE interface enabled                   JP7              Open

      IDE interface disabled                  JP7             Closed

     Factory configured - do not             JP8              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) 512K x 36        NONE

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

      10MB         (2) 1M x 36     (2) 256K x 36        NONE

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

      14MB        (2) 256K x 36    (2) 512K x 36     (2) 1M x 36

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

      16MB         (2) 2M x 36          NONE            NONE

      18MB         (2) 2M x 36     (2) 256K x 36        NONE

      18MB         (2) 1M x 36      (2) 1M x 36     (2) 256K x 36

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

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

      22MB         (2) 2M x 36     (2) 512K x 36    (2) 256K x 36

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

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

      26MB         (2) 2M x 36      (2) 1M x 36     (2) 256K x 36

      28MB         (2) 2M x 36      (2) 1M x 36     (2) 512K x 36

      32MB         (2) 4M x 36          NONE            NONE

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

      34MB         (2) 4M x 36     (2) 256K x 36        NONE

      38MB         (2) 4M x 36     (2) 256K x 36    (2) 512K x 36

      40MB         (2) 4M x 36      (2) 1M x 36         NONE

      40MB         (2) 4M x 36     (2) 512K x 36    (2) 512K x 36

      42MB         (2) 4M x 36      (2) 1M x 36     (2) 256K x 36

      44MB         (2) 4M x 36      (2) 1M x 36     (2) 512K 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

      50MB         (2) 4M x 36      (2) 2M x 36     (2) 256K x 36

      52MB         (2) 4M x 36      (2) 2M x 36     (2) 512K x 36

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      56MB         (2) 4M x 36      (2) 2M x 36      (2) 1M x 36

      64MB         (2) 8M x 36          NONE            NONE

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

      66MB         (2) 8M x 36     (2) 256K x 36        NONE

      66MB         (2) 4M x 36      (2) 4M x 36     (2) 256K x 36

      68MB         (2) 8M x 36     (2) 512K x 36        NONE

      68MB         (2) 4M x 36      (2) 4M x 36     (2) 512K x 36

      70MB         (2) 8M x 36     (2) 256K x 36    (2) 512K x 36

      72MB         (2) 8M x 36     (2) 512K x 36    (2) 512K x 36

      74MB         (2) 8M x 36      (2) 1M x 36     (2) 256K x 36

      76MB         (2) 8M x 36     (2) 512K x 36     (2) 1M x 36

      80MB         (2) 8M x 36      (2) 2M x 36         NONE

      80MB         (2) 8M x 36      (2) 1M x 36      (2) 1M x 36

      82MB         (2) 8M x 36      (2) 2M x 36     (2) 256K x 36

      84MB         (2) 8M x 36      (2) 2M x 36     (2) 512K x 36

      88MB         (2) 8M x 36      (2) 2M x 36      (2) 1M x 36

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

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

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

      98MB         (2) 8M x 36      (2) 4M x 36     (2) 256K x 36

      100MB        (2) 8M x 36      (2) 4M x 36     (2) 512K x 36

      104MB        (2) 8M x 36      (2) 4M x 36      (2) 1M x 36

      112MB        (2) 8M x 36      (2) 4M x 36      (2) 2M x 36

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

      128MB        (2) 16M x 36         NONE            NONE

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

      130MB        (2) 8M x 36      (2) 8M x 36     (2) 256K x 36

      130MB        (2) 16M x 36    (2) 256K x 36        NONE

      132MB        (2) 8M x 36      (2) 8M x 36     (2) 512K x 36

      136MB        (2) 8M x 36      (2) 8M x 36      (2) 1M x 36

      136MB        (2) 16M x 36     (2) 1M x 36         NONE

      138MB        (2) 16M x 36     (2) 1M x 36     (2) 256K x 36

      140MB        (2) 16M x 36     (2) 1M x 36     (2) 512K x 36

      144MB        (2) 16M x 36     (2) 2M x 36         NONE

      144MB        (2) 16M x 36     (2) 1M x 36      (2) 1M x 36

      146MB        (2) 16M x 36     (2) 2M x 36     (2) 256K x 36

      148MB        (2) 16M x 36     (2) 2M x 36     (2) 512K x 36

      152MB        (2) 16M x 36     (2) 2M x 36      (2) 1M x 36

      160MB        (2) 16M x 36     (2) 4M x 36         NONE

      160MB        (2) 16M x 36     (2) 2M x 36      (2) 2M x 36

      162MB        (2) 16M x 36     (2) 4M x 36     (2) 256K x 36

      164MB        (2) 16M x 36     (2) 4M x 36     (2) 512K x 36

                  DRAM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

     168MB       (2) 16M x 36     (2) 4M x 36    (2) 1M x 36

     176MB       (2) 16M x 36     (2) 4M x 36    (2) 2M x 36

     192MB       (2) 16M x 36     (2) 8M x 36        NONE

     192MB       (2) 16M x 36     (2) 4M x 36    (2) 4M x 36

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

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (8) 32K x 8     (1) 8K x 8

     512KB        (8) 64K x 8    (1) 16K x 8

      1MB         (8) 128K x 8   (1) 32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JS2                  JS3

        256KB          Pins 1 & 2 closed   Pins 1 & 2 closed

        512KB          Pins 1 & 2 closed   Pins 2 & 3 closed

         1MB           Pins 2 & 3 closed   Pins 2 & 3 closed

                CPU SPEED CONFIGURATION

           Speed                        JK1

           75MHz                       Open

           90MHz                 Pins 1 & 2 closed

           100MHz            Pins 1 & 2, 3 & 4 closed

                DMA CONFIGURATION

   DMA       CP2       CP3       CP4       CP5

  DMA 1      Open    Closed     Open     Closed

  DMA 3     Closed    Open     Closed     Open

