
ACER, INC.

ACERPOWER ULTIMA (M3A), M3A

Device Type          Mainboard
Processor            Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel 440HX
Maximum Onboard      192MB (EDO supported)
Memory
Cache                256/512KB
BIOS                 Acer
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interfaces (2), parallel port, PS/2 mouse port, serial
                     ports (2), USB connector

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Parallel port              CN1       IDE interface LED          CN12

  Soft off power supply      CN2       Speaker                    CN13

  IDE interface 1            CN4       Power LED & keylock        CN14

  IDE interface 2            CN5       LED board connector        CN15

  USB connector              CN7       CPU fan power              FA1

  Serial port 2              CN8       PS/2 mouse port            MS1

  Serial port 1              CN9       32-bit PCI slots         PC1  PC4

  Floppy drive interface     CN10      SCSI/ASM slot              SL1

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Factory configured  do not           CN6          Unidentified
      alter

      BIOS type select Acer                 JP1        Pins 1 & 2 closed

      BIOS type select OEM                  JP1        Pins 2 & 3 closed

      Password enabled                      JP2        Pins 1 & 2 closed

      Password disabled                     JP2        Pins 2 & 3 closed

      Buzzer enabled                        JP3        Pins 1 & 2 closed

      External speaker enabled              JP3        Pins 2 & 3 closed

  Note: The location of CN6 is unidentified.

                    SIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 36        None          None

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

     16MB       (2) 2M x 36        None          None

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

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

     32MB       (2) 4M x 36        None          None

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

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

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

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

     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

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

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

                  SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

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

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

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

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

     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

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                            CPU SPEED SELECTION

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    75MHz         50MHz          1.5x        2 & 3      1 & 2,     2 & 3
                                                        4 & 5

    90MHz         60MHz          1.5x        2 & 3      1 & 2,     2 & 3
                                                        3 & 4

    100MHz        66MHz          1.5x        2 & 3      2 & 3,     2 & 3
                                                        4 & 5

    120MHz        60MHz           2x         2 & 3      1 & 2,     1 & 2
                                                        3 & 4

    133MHz        66MHz           2x         2 & 3      2 & 3,     1 & 2
                                                        4 & 5

    150MHz        60MHz          2.5x        1 & 2      1 & 2,     1 & 2
                                                        3 & 4

    166MHz        66MHz          2.5x        1 & 2      2 & 3,     1 & 2
                                                        4 & 5

    200MHz        66MHz           3x         1 & 2      2 & 3,     2 & 3
                                                        4 & 5

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

      Type              JP7                JP8                 JP9

      P54C           Pins 1 & 2         Pins 1 & 2      Pins 1 & 2 closed
                      closed              closed

      P55C           Pins 2 & 3         Pins 2 & 3      Pins 2 & 3 closed
                      closed              closed

          CPU VOLTAGE SELECTION

       Voltage               JP11

        3.3v          Pins 2 & 3 closed

        3.45v         Pins 1 & 2 closed

               GREEN PC/RESET SELECTION

          Setting                     JP10

     Green PC enabled          Pins 1 & 2 closed

       Reset enabled           Pins 2 & 3 closed

  Additional reset switch      Pins 3 & 4 closed

