
AMERICAN MEGATRENDS, INC.

TITAN III

Processor              Pentium
Processor Speed        90/100/120/133/150/166MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 256MB (EDO supported)
Maximum Video Memory   None
Cache                  512KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit PCI slots (4), floppy drive interface, green
                       PC connector, IDE interfaces (2), parallel port,
                       PS/2 mouse interface, serial ports (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  IDE interface LED          J22       Serial port 2               P3

  Reset switch               J24       Serial port 1               P4

  Chassis fan power          J25       Floppy drive               P11
                                       interface

  Green PC connector         J26       Parallel port              P12

  Chassis fan power          J27       PS/2 mouse interface       P13

  Turbo LED                  J29       Power LED & keylock        P17

  IDE interface 1             P1       Speaker                    P24

  IDE interface 2             P2       32-bit PCI slots         PCI - PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J5           Unidentified
      alter

     Factory configured - do not           J11          Unidentified
      alter

     Parallel port IRQ select IRQ7         J14        Pins 1 & 2 closed

      Parallel port IRQ select IRQ5         J14        Pins 2 & 3 closed

     Factory configured - do not           J17        Pins 2 & 3 closed
      alter

      APIC enabled with two CPUs            J19        Pins 1 & 2 closed
      installed

      APIC disabled with one CPU            J19        Pins 2 & 3 closed
      installed

     Factory configured - do not           J20          Unidentified
      alter

      PS/2 mouse IRQ 12 enabled             J23             Closed

      PS/2 mouse IRQ 12 disabled            J23              Open

     CMOS memory normal operation          J28              Open

      CMOS memory clear                     J28             Closed

              DRAM 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) 2M x 36    (2) 4M 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) 2M x 36    (2) 8M x 36

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

     128MB        (2) 16M x 36       None

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

     136MB        (2) 16M x 36   (2) 1M x 36

                        DRAM CONFIGURATION (CON'T)

          Size                    Bank 0                   Bank 1

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

          160MB                (2) 16M x 36             (2) 4M x 36

          192MB                (2) 16M x 36             (2) 8M x 36

          256MB                (2) 32M x 36                 None

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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Do not
  use 16M x 36 SIMMs that have 36 chips.

                        CACHE CONFIGURATION

  Note: 512KB cache is factory installed and is not configurable.

                            CPU SPEED SELECTION

   CPU     Clock   Multiplier     J6       J7       J8      J13      J15
  speed    speed

  90MHz    60MHz      1.5x      Closed    Open     Open    Open     Closed

  100MHz   66MHz      1.5x       Open     Open    Closed   Open     Open

  120MHz   60MHz       2x       Closed    Open     Open    Closed   Closed

  133MHz   66MHz       2x        Open     Open    Closed   Closed   Open

  150MHz   60MHz      2.5x      Closed   Closed    Open    Closed   Closed

  166MHz   66MHz      2.5x       Open    Closed   Closed   Closed   Open

                           CPU VOLTAGE SELECTION

     Voltage            J1            J2            J3            J18

    Regulator          Open       1 & 2, 3 &    1 & 2, 3 &       Open
                                   4, 5 & 6      4, 5 & 6

    3.3v power      1 & 2, 3 &       Open          Open        1 & 2, 3 &
                     4, 5 & 6                                  4, 5 & 6

  Note: Pins designated should be in the closed position.

                           DMA CHANNEL SELECTION

         Channel                    J16                      J21

            None                   Open                    Open

               1             Pins 1 & 2 closed        Pins 1 & 2 closed

               3             Pins 2 & 3 closed        Pins 2 & 3 closed

     IDE BUS MASTER SELECTION

  Setting       J4         J30

  Enabled     Closed      Closed

  Disabled     Open        Open

