
ACER, INC.

V56LA

Device Type            Mainboard
Processor              CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium/

                       Pentium MMX
Processor Speed        100/120/133/150/166/200MHz
Chip Set               Unidentified
Video Chip Set         Unidentified
Maximum Onboard Memory 128MB
Maximum Video Memory   2MB
Cache                  256/512KB
BIOS                   Acer
Dimensions             254mm x 218mm
I/O Options            Ethernet 10BaseT connector, floppy drive interface,
                       green PC connector, IDE interfaces (2), parallel
                       port, PS/2 mouse port, serial ports (2), VGA port,
                       riser slot, cache slot, IR connector, wavetable
                       connector, audio in  CD-ROM

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  Parallel port            C1         IDE interface 2          CN12

  Serial port 2            C2         Software shutdown        CN14

  Serial port 1            C3         Active/LED               CN15
                                      connector

  PS/2 mouse port          C4         Power LED           CN17/pins 3 - 5

  Ethernet 10BaseT         C5         Green PC             CN17/pins 19 &
  connector                           connector                 20

  VGA port                 CN1        IR connector             CN18

  Modem connector          CN3        Floppy/IDE               CN20
                                      interface LED

  Audio connector          CN4        Power switch             CN21
                                      connector

  AMC connector            CN5        Floppy drive              FD1
                                      interface

  ATI media                CN7        Chassis fan power         FN1
  connector

  Audio in  CD-ROM        CN8        Riser slot                SL1

  Wavetable               CN10        Cache slot                SL2
  connector

  IDE interface 1         CN11

                        USER CONFIGURABLE SETTINGS

               Function                   Label            Position

     On board video enabled               JP1        Pins 2 & 3 closed

      On board video disabled              JP1        Pins 1 & 2 closed

     BIOS type select Acer                JP3        Pins 1 & 2 closed

      BIOS type select OEM                 JP3        Pins 2 & 3 closed

     Password disabled                    JP4        Pins 2 & 3 closed

      Password enabled                     JP4        Pins 1 & 2 closed

     BIOS type select Block ROM           JP7        Pins 1 & 2 closed

      BIOS type select Flash ROM           JP7        Pins 2 & 3 closed

     Factory configured - do not         JP16           Unidentified
      alter

     LED select IDE LED only             JP18        Pins 2 & 3 closed

      LED select IDE & floppy             JP18        Pins 1 & 2 closed

     External switch select green        JP19        Pins 1 & 2 closed
      PC

      External switch select reset        JP19        Pins 2 & 3 closed

     Software shutdown select            JP20         Pins 1 & 2, 4 & 5
      software shutdown                                     closed

      Software shutdown select            JP20         Pins 2 & 3, 5 & 6
      appears off                                           closed

             SIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

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

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

     32MB        (2) 4M x 36      None

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

     40MB        (2) 4M x 36   (2) 1M x 36

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

     64MB        (2) 8M x 36      None

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

     72MB        (2) 8M x 36   (2) 1M x 36

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

     96MB        (2) 8M x 36   (2) 4M x 36

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

                            CACHE CONFIGURATION

          Size                   Bank 0                     SL2

          256KB               (2) 32K x 32             Not installed

          512KB               (2) 32K x 32        256KB module installed

        CACHE JUMPER CONFIGURATION

        Size                 JP6

        256KB         Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

                 VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                       CPU SPEED SELECTION (CX 6X86)

   CPU     Clock    Multiplier   JP8    JP9     JP13   JP14   JP15   JP17
  speed    speed

  120MHz   50MHz       2x        1 &   Closed   1 &    1 &    1 &     2 &
                                 4               2      2      2      3

  150MHz   60MHz       2x        2 &   Closed   1 &    1 &    1 &     2 &
                                 5               2      2      2      3

  166MHz   66MHz       2x        3 &   Closed   1 &    1 &    1 &     2 &
                                 6               2      2      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

   CPU     Clock    Multiplier   JP8    JP9     JP13   JP14   JP15   JP17
  speed    speed

  120MHz   50MHz       2x        1 &   Closed   1 &    1 &    1 &     2 &
                                 4               2      2      2      3

  150MHz   60MHz       2x        2 &   Closed   1 &    1 &    1 &     2 &
                                 5               2      2      2      3

  166MHz   66MHz       2x        3 &   Closed   1 &    1 &    1 &     2 &
                                 6               2      2      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

   CPU      Clock   Multiplier    JP8   JP9    JP13   JP14   JP15   JP17
  speed    speed

  120MHz   50MHz        2x        1 &   Open   1 &    1 &     1 &   2 & 3
                                  4             2      2      2

  150MHz   60MHz        2x        2 &   Open   1 &    1 &     1 &   2 & 3
                                  5             2      2      2

  166MHz   66MHz        2x        3 &   Open   1 &    1 &     1 &   2 & 3
                                  6             2      2      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

   CPU      Clock   Multiplier    JP8   JP9    JP13   JP14   JP15   JP17
  speed    speed

  120MHz   50MHz        2x        1 &   Open   1 &    1 &     1 &   2 & 3
                                  4             2      2      2

  150MHz   60MHz        2x        2 &   Open   1 &    1 &     1 &   2 & 3
                                  5             2      2      2

  166MHz   66MHz        2x        3 &   Open   1 &    1 &     1 &   2 & 3
                                  6             2      2      2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU     Clock    Multiplier   JP8    JP9     JP13   JP14   JP15   JP17
  speed    speed

  120MHz   60MHz       2x        2 &   Closed   1 &    1 &    1 &     1 &
                                 5               2      2      2      2

  133MHz   66MHz       2x        3 &   Closed   1 &    1 &    1 &     1 &
                                 6               2      2      2      2

  150MHz   60MHz      2.5x       2 &   Closed   1 &    1 &    1 &     2 &
                                 5               2      2      2      3

  166MHz   66MHz      2.5x       3 &   Closed   1 &    1 &    1 &     2 &
                                 6               2      2      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU     Clock    Multiplier   JP8    JP9     JP13   JP14   JP15   JP17
  speed    speed

  100MHz   66MHz      1.5x       3 &   Closed   1 &    1 &    1 &     1 &
                                 6               2      2      2      2

  120MHz   60MHz       2x        2 &   Closed   1 &    1 &    1 &     2 &
                                 5               2      2      2      3

  133MHz   66MHz       2x        3 &   Closed   1 &    1 &    1 &     2 &
                                 6               2      2      2      3

  150MHz   60MHz      2.5x       2 &   Closed   1 &    1 &    2 &     2 &
                                 5               2      2      3      3

  166MHz   66MHz      2.5x       3 &   Closed   1 &    1 &    2 &     2 &
                                 6               2      2      3      3

  200MHz   66MHz       3x        3 &   Closed   1 &    1 &    2 &     1 &
                                 6               2      2      3      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

   CPU      Clock   Multiplier    JP8   JP9    JP13   JP14   JP15   JP17
  speed    speed

  166MHz   66MHz       2.5x       3 &   Open   1 &    1 &     2 &   2 & 3
                                  6             2      2      3

  200MHz   66MHz        3x        3 &   Open   1 &    1 &     2 &   1 & 2
                                  6             2      2      3

  Note: Pins designated should be in the closed position.

