
ACER, INC.

V12LC-1

Device Type                  Mainboard
Processor                    Pentium
Processor Speed              75/90/100MHz
Chip Set                     Unidentified
Video Chip Set               Cirrus Logic
Maximum Onboard Memory       128MB
Maximum Video Memory         2MB
Cache                        256KB
BIOS                         Unidentified
Dimensions                   330mm x 218mm
I/O Options (backplane)      bus mouse port, Ethernet 10BaseT connector,
                             floppy drive interface, green PC connector,
                             IDE interfaces (2), parallel port, PS/2 mouse
                             interface, PS/2 keyboard interface, serial
                             ports (2), VGA feature connector, VGA port,
                             riser slot

[Image]

                                CONNECTIONS

  Purpose             Location     Purpose                     Location

  RJ-45 ethernet        CN1        Network/multimedia            CN11
  port                             interface

  PS/2 mouse port       CN3        CPU fan connector             CN12

  Serial port 1         CN4        Hard disk LED connector       CN13

  Serial port 2         CN5        Hard disk LED connector       CN14

  Parallel port         CN6        LED connector                 CN15

  VGA port              CN7        LED connector                 CN16

  Floppy drive          CN8        VGA feature connector         CN17
  interface

  IDE interface 2       CN9        Riser slot                    SL1

  IDE interface 1       CN10

                         USER CONFIGURABLE SETTINGS

              Function                 Label              Position

    BIOS type select Acer              JP1          Pins 1 & 2 closed

     BIOS type select OEM               JP1          Pins 2 & 3 closed

    Password disabled                  JP2          Pins 2 & 3 closed

     Password enabled                   JP2          Pins 1 & 2 closed

    BIOS ROM type select flash         JP3          Pins 1 & 2 closed
     ROM

     BIOS ROM type select EPROM         JP3          Pins 2 & 3 closed

    Onboard SMC665 enabled             JP6          Pins 2 & 3 closed

     Onboard SMC665 disabled            JP6          Pins 1 & 2 closed

    Onboard GD543x enabled             JP7          Pins 2 & 3 closed

     Onboard GD543x disabled            JP7          Pins 1 & 2 closed

    Enhanced IDE enabled               JP9          Pins 2 & 3 closed

     Enhanced IDE disabled              JP9          Pins 1 & 2 closed

    M1451 delay disabled               JP11         Pins 1 & 2 closed

     M1451 delay enabled                JP11         Pins 2 & 3 closed

    Reset function enabled             JP15         Pins 2 & 3 closed

     SMM function enabled               JP15         Pins 1 & 2 closed

    Factory configured - do not        JP16              Reserved
     alter

              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

  Note: The cache configuration is unidentified.

            VIDEO MEMORY CONFIGURATION

      Size            Bank 0           Bank 1

       1MB         (2) 256K x 16        None

       2MB         (2) 256K x 16    (2) 256K x 16

                PARALLEL PORT DMA SELECTION

       Setting              JP4                 JP5

        DMA1            Pins 1 & 2         Pins 1 & 2
                           closed             closed

        DMA3             Pins 2 & 3         Pins 2 & 3
                           closed             closed

           CPU SPEED SELECTION

        Speed                JP8

        75MHz         Pins 1 & 4 closed

        90MHz         Pins 2 & 5 closed

       100MHz         Pins 3 & 6 closed

                                         CPU TYPE SELECTION

                       Type                                              JP12

                      Intel                                      Pins 1 & 2 closed

                     Cyrix M1                                     Pins 2 & 3 closed

         CPU MULTIPLIER SELECTION

     Multiplier              JP14

        1.5x         Pins 1 & 2 closed

         2x           Pins 2 & 3 closed

                                        CPU VOLTAGE SELECTION

                      Voltage                                            JP13

                      3.3825v                                     Pins 1 & 2 closed

                      3.5250v                                      Pins 2 & 3 closed

