
APRICOT COMPUTERS LIMITED

EPX (EISA DESKTOP/ FT//EX DESKSIDE)

Processor     80486SX/80487SX/ODP486SX/80486DX/80486DX2/Pentium
              Overdrive/Pentium (depends on CPU card installed)
Processor     25/33/40/50/50(internal)/60/66(internal)/66/80MHz
Speed
Chip Set      Unidentified
Max. Onboard  128/256MB (depends on CPU card installed)
DRAM
Cache         64/128/256/512/1024KB (depends on CPU card installed)
BIOS          Unidentified
Dimensions    330mm x 218mm
I/O Options   External CPU slot, 32-bit VESA local bus slots (2), IDE
              interface, SCSI connectors (2), parallel port, PS/2 mouse
              port, serial ports (2)
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse port            CN1       SCSI connector             CN6

  Serial port 1              CN2       Parallel port              CN7

  Serial port 2              CN3       Reset switch               JP7

  IDE interface              CN4       External CPU slot          SL1

  SCSI connector             CN5       32-bit VESA local bus   SL2 & SL3
                                       slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP5              Open
      alter

     Password enabled                        JP6           Pins 1 & 2
                                                              closed

      Password disabled                       JP6           Pins 2 & 3
                                                              closed

     IRQ type select IRQ10                   JP8           Pins 1 & 2
                                                              closed

      IRQ type select IRQ11                   JP8           Pins 2 & 3
                                                              closed

     On board buzzer enabled                 JP9           Pins 1 & 2
                                                              closed

      External speaker installed              JP9           Pins 2 & 3
                                                              closed

       DRAM CONFIGURATION (80486 EPX DESKTOP &AMP; FT//EX DESKSIDE)

     Size          Bank 0         Bank 1        Bank 2         Bank 3

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

      8MB        (1) 2M x 36       NONE          NONE           NONE

      8MB        (1) 1M x 36    (1) 1M x 36      NONE           NONE

     12MB        (1) 1M x 36    (1) 1M x 36   (1) 1M x 36       NONE

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

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

     16MB        (1) 4M x 36       NONE          NONE           NONE

     20MB        (1) 1M x 36    (1) 4M x 36      NONE           NONE

     24MB        (1) 1M x 36    (1) 1M x 36   (1) 4M x 36       NONE

     24MB        (1) 1M x 36    (1) 4M x 36   (1) 1M x 36       NONE

     28MB        (1) 1M x 36    (1) 1M x 36   (1) 4M x 36    (1) 1M x 36

     28MB        (1) 1M x 36    (1) 4M x 36   (1) 1M x 36    (1) 1M x 36

     32MB        (1) 8M x 36       NONE          NONE           NONE

     32MB        (1) 4M x 36    (1) 4M x 36      NONE           NONE

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

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

     40MB        (1) 1M x 36    (1) 1M x 36   (1) 4M x 36    (1) 4M x 36

     40MB        (1) 4M x 36    (1) 1M x 36   (1) 1M x 36    (1) 4M x 36

     40MB        (1) 4M x 36    (1) 4M x 36   (1) 1M x 36    (1) 1M x 36

     48MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36       NONE

     52MB        (1) 1M x 36    (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

     52MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36    (1) 1M x 36

     64MB        (1) 8M x 36    (1) 8M x 36      NONE           NONE

     64MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

     64MB         (1) 16M x        NONE          NONE           NONE
                     36

     72MB        (1) 1M x 36    (1) 1M x 36    (1) 16M x        NONE
                                                  36

     80MB        (1) 4M x 36     (1) 16M x       NONE           NONE
                                    36

     84MB        (1) 1M x 36    (1) 4M x 36    (1) 16M x        NONE
                                                  36

     84MB        (1) 4M x 36     (1) 16M x    (1) 1M x 36       NONE
                                    36

     88MB        (1) 1M x 36    (1) 1M x 36   (1) 4M x 36   (1) 16M x 36

     88MB        (1) 4M x 36     (1) 16M x    (1) 1M x 36    (1) 1M x 36
                                    36

     96MB        (1) 4M x 36    (1) 4M x 36    (1) 16M x        NONE
                                                  36

     96MB        (1) 4M x 36     (1) 16M x    (1) 4M x 36       NONE
                                    36

    DRAM CONFIGURATION (80486 EPX DESKTOP &AMP; FT//EX DESKSIDE CON'T)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

     100MB        (1) 1M x 36   (1) 4M x 36    (1) 4M x 36   (1) 16M x 36

     100MB        (1) 4M x 36    (1) 16M x     (1) 4M x 36   (1) 1M x 36
                                    36

     112MB        (1) 4M x 36   (1) 4M x 36    (1) 4M x 36   (1) 16M x 36

     112MB        (1) 4M x 36    (1) 16M x     (1) 4M x 36   (1) 4M x 36
                                    36

     128MB         (1) 16M x     (1) 16M x        NONE           NONE
                      36            36

     132MB         (1) 16M x     (1) 16M x     (1) 1M x 36       NONE
                      36            36

     136MB         (1) 16M x     (1) 16M x     (1) 1M x 36   (1) 1M x 36
                      36            36

     144MB         (1) 16M x     (1) 16M x     (1) 4M x 36       NONE
                      36            36

     144MB        (1) 4M x 36    (1) 16M x      (1) 16M x        NONE
                                    36             36

     148MB        (1) 1M x 36   (1) 4M x 36     (1) 16M x    (1) 16M x 36
                                                   36

     148MB         (1) 16M x     (1) 16M x     (1) 4M x 36   (1) 1M x 36
                      36            36

     160MB        (1) 1M x 36   (1) 1M x 36     (1) 16M x    (1) 16M x 36
                                                   36

     160MB        (1) 1M x 36    (1) 16M x     (1) 1M x 36   (1) 16M x 36
                                    36

     160MB         (1) 16M x     (1) 16M x     (1) 1M x 36   (1) 1M x 36
                      36            36

     192MB         (1) 16M x     (1) 16M x      (1) 16M x        NONE
                      36            36             36

     208MB        (1) 4M x 36    (1) 16M x      (1) 16M x    (1) 16M x 36
                                    36             36

     208MB         (1) 16M x     (1) 16M x     (1) 4M x 36   (1) 16M x 36
                      36            36

     256MB         (1) 16M x     (1) 16M x      (1) 16M x    (1) 16M x 36
                      36            36             36

                 DRAM CONFIGURATION (PENTIUM EPX DESKTOP)

     Size          Bank 0         Bank 1        Bank 2         Bank 3

      8MB       (1) 1M x 36    (1) 1M x 36       NONE           NONE

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

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

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

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

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

     32MB       (1) 4M x 36    (1) 4M x 36       NONE           NONE

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 4M x 36    (1) 4M x 36

     40MB       (1) 4M x 36    (1) 4M x 36    (1) 1M x 36    (1) 1M x 36

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

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

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 8M x 36    (1) 8M x 36       NONE           NONE

     72MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     72MB       (1) 8M x 36    (1) 8M x 36    (1) 1M x 36    (1) 1M x 36

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

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

     96MB       (1) 4M x 36    (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     96MB       (1) 8M x 36    (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

     128MB      (1) 8M x 36    (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

          DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE MAINBOARD)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

      8MB         (1) 1M x 36   (2) 1M x 36       NONE           NONE

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

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

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

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

      64MB        (1) 2M x 36   (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

     120MB        (1) 1M x 36   (1) 1M x 36    (1) 2M x 36   (1) 2M x 36

     128MB        (1) 4M x 36   (1) 4M x 36    (1) 4M x 36   (1) 4M x 36

     256MB        (1) 8M x 36   (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

  Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any
  other configuration uses this table and the table below.

          DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE CPU BOARD)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

      56MB        (1) 4M x 36   (1) 4M x 36       NONE           NONE

      64MB        (1) 2M x 36   (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

     120MB        (1) 4M x 36   (1) 4M x 36    (1) 8M x 36   (1) 8M x 36

     128MB        (1) 4M x 36   (1) 4M x 36    (1) 4M x 36   (1) 4M x 36

     256MB        (1) 8M x 36   (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

  Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any
  other configuration uses this table and the table above.

                SCSI CONFIGURATION

     Setting           JP1              JP2

    Installed          Open             Open

  Not installed       Closed           Closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JP3

    0 wait states     Pins 1 & 2 closed

    1 wait state      Pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP4

      <= 33MHz        Pins 1 & 2 closed

       > 33MHz        Pins 2 & 3 closed

                        BATTERY TYPE CONFIGURATION

     Type          JP10           JP11           JP12            JP13

    Dallas       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                  closed         closed         closed          closed

     B.M.        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                  closed         closed         closed          closed

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     VLB LADS MHz support select             JP3           Pins 1 & 2
      33MHz                                                   closed

      VLB LADS MHz support select             JP3           Pins 2 & 3
      50MHz                                                   closed

     Local bus disabled                     JP10           Pins 1 & 2
                                                              closed

      Local bus enabled                      JP10           Pins 2 & 3
                                                              closed

                            CACHE CONFIGURATION

  Note: The bank configuration and chip sizes are unidentified by the
  manufacturer.

                        CACHE JUMPER CONFIGURATION

  Size      JP11     JP12     JP13     JP14      JP18     JP19     JP20

  64KB      Open     Open     Open     Open      Open     Open     Open

  128KB    Closed    Open     Open     Open      Open    Closed    Open

  256KB    Closed   Closed    Open     Open      Open    Closed   Closed

  1024KB   Closed   Closed    Closed   Closed   Closed   Closed   Closed

                   CACHE BANK CONFIGURATION

        Size                 JP15                JP16

     Single bank       Pins 1 & 2 closed   Pins 1 & 2 closed

     Double bank       Pins 2 & 3 closed   Pins 2 & 3 closed

          CPU TYPE CONFIGURATION

        Type                  JP4

       80486SX         Pins 1 & 2 closed

       80487SX         Pins 2 & 3 closed

      ODP486SX         Pins 2 & 3 closed

     80486DX/DX2              Open

  Pentium Overdrive    Pins 2 & 3 closed

                   CPU SPEED CONFIGURATION

        Speed                JP8                  JP9

        25MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

        33MHz          Pins 1 & 2 closed   Pins 2 & 3 closed

        40MHz          Pins 2 & 3 closed   Pins 1 & 2 closed

       50iMHz          Pins 1 & 2 closed   Pins 1 & 2 closed

        50MHz          Pins 2 & 3 closed   Pins 2 & 3 closed

       66iMHz          Pins 1 & 2 closed   Pins 2 & 3 closed

  CPU CLOCK SPEED CONFIGURATION

   Speed       JP1        JP2

   25MHz      Open        Open

   33MHz      Open       Closed

   40MHz     Closed       Open

  50iMHz      Open        Open

   50MHz     Closed      Closed

  66iMHz      Open       Closed

                BUS SPEED CONFIGURATION

         CPU speed                     JP17

          <= 33MHz           Pins 1 & 2, 3 & 4 closed

          > 33MHz                Pins 2 & 3 closed

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP4              Open
      alter

                            CACHE CONFIGURATION

  Note: The bank configuration and chip sizes are unidentified by the
  manufacturer.

                 CACHE JUMPER CONFIGURATION

   Size       JP11        JP12         JP14         JP15

  256KB       Open        Open         Open         Open

  1024KB     Closed      Closed       Closed       Closed

                    CPU OSCILLATOR SPEED CONFIGURATION

      Speed              JP1               JP2                 JP3

      33MHz           Pins 1 & 2        Pins 1 & 2      Pins 2 & 3 closed
                       closed             closed

      40MHz           Pins 2 & 3        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

      50MHz           Pins 1 & 2        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

      60MHz           Pins 2 & 3           N/A                 N/A
                       closed

      66MHz              N/A            Pins 1 & 2      Pins 1 & 2 closed
                                          closed

      80MHz           Pins 1 & 2        Pins 1 & 2      Pins 1 & 2 closed
                       closed             closed

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Local bus enabled                       JP4           Pins 1 & 2
                                                              closed

      Local bus disabled                      JP4           Pins 2 & 3
                                                              closed

                            CACHE CONFIGURATION

  Note: The bank configuration and chip sizes are unidentified by the
  manufacturer.

                     CACHE JUMPER CONFIGURATION

   Size      JP10     JP11      JP12      JP13      JP14      JP15

  128KB      Open     Open      Open      Open      Open      Open

  256KB     Closed    Open      Open     Closed     Open      Open

  512KB     Closed   Closed     Open     Closed    Closed     Open

  1024KB    Closed   Closed    Closed    Closed    Closed    Closed

          CACHE BANK CONFIGURATION

     Size            JP8            JP9

  Single bank    (4) 8K x 8     (1) 8K x 8

  Double bank    (4) 32K x 8    (1) 32K x 8

                    CPU OSCILLATOR SPEED CONFIGURATION

      Speed              JP1               JP2                 JP3

      33MHz           Pins 1 & 2        Pins 1 & 2      Pins 2 & 3 closed
                       closed             closed

      40MHz           Pins 2 & 3        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

      50MHz           Pins 1 & 2        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

      66MHz           Pins 2 & 3        Pins 1 & 2      Pins 1 & 2 closed
                       closed             closed

      80MHz           Pins 1 & 2        Pins 1 & 2      Pins 1 & 2 closed
                       closed             closed

