
M TECHNOLOGY, INC.

M628 STALLION AT

Device Type                Mainboard
Processor                  Pentium II
Processor Speed            233/266/300MHz
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     512MB (EDO & SDRAM supported)
Maximum Video Memory       None
Cache                      256/512KB (located on Pentium II CPU)
BIOS                       AMI
Dimensions                 330mm x 220mm
I/O Options                32-bit PCI slots (3), floppy drive interface,
                           green PC connector, IDE interfaces (2), parallel
                           port, PS/2 mouse interface, serial ports (2), IR
                           connector, USB connector, ATX power connector,
                           AGP slot
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Parallel port              CN3

  ATX power connector        ATX       IDE interface 1            CN4

  Reset switch                C1       IDE interface 2            CN5

  Soft off power supply       C2       Floppy drive               CN6
                                       interface

  Turbo LED                   C3       USB connector               J5

  IDE interface LED           C4       PS/2 mouse interface       J11

  Power LED & keylock         C5       Wake on LAN connector      JP3

  Speaker                     C6       CPU fan power              JP10

  Serial port 1              CN1       IR connector               IR1

  Serial port 2              CN2       32-bit PCI slots         PC1  PC3

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP1           Pins 2 & 3
                                                              closed

      CMOS memory clear                       JP1           Pins 1 & 2
                                                              closed

     Memory integrity mode select non        JP5           Pins 2 & 3
      ECC mode                                                closed

      Memory integrity mode select ECC        JP5           Pins 1 & 2
      mode                                                    closed

     Wake on modem select COM2               JP6           Pins 1 & 2
                                                              closed

      Wake on modem select COM1               JP6           Pins 2 & 3
                                                              closed

                           DIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (1) 1M x 64       None           None          None

     16MB       (1) 2M x 64       None           None          None

     16MB       (1) 1M x 64   (1) 1M x 64        None          None

     24MB       (1) 2M x 64   (1) 1M x 64        None          None

     24MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64       None

     32MB       (1) 4M x 64       None           None          None

     32MB       (1) 2M x 64   (1) 2M x 64        None          None

     32MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     40MB       (1) 4M x 64   (1) 1M x 64        None          None

     48MB       (1) 4M x 64   (1) 2M x 64        None          None

     48MB       (1) 2M x 64   (1) 2M x 64    (1) 2M x 64       None

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

     64MB       (1) 8M x 64       None           None          None

     64MB       (1) 4M x 64   (1) 4M x 64        None          None

                        DIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     72MB        (1) 8M x 64   (1) 1M x 64        None           None

     80MB        (1) 8M x 64   (1) 2M x 64        None           None

     96MB        (1) 8M x 64   (1) 4M x 64        None           None

     96MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64        None

     128MB       (1) 16M x 64      None           None           None

     128MB       (1) 8M x 64   (1) 8M x 64        None           None

     128MB       (1) 4M x 64   (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     136MB       (1) 16M x 64  (1) 1M x 64        None           None

     144MB       (1) 16M x 64  (1) 2M x 64        None           None

     152MB       (1) 16M x 64  (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     160MB       (1) 16M x 64  (1) 4M x 64        None           None

     176MB       (1) 16M x 64  (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     192MB       (1) 16M x 64  (1) 8M x 64        None           None

     192MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64        None

     224MB       (1) 16M x 64  (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     256MB       (1) 16M x 64  (1) 16M x 64       None           None

     256MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     272MB       (1) 16M x 64  (1) 16M x 64   (1) 1M x 64    (1) 1M x 64

     288MB       (1) 16M x 64  (1) 16M x 64   (1) 2M x 64    (1) 2M x 64

     320MB       (1) 16M x 64  (1) 16M x 64   (1) 4M x 64    (1) 4M x 64

     320MB       (1) 16M x 64  (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     384MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64       None

     512MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64   (1) 16M x 64

            Note: Board accepts EDO & SDRAM memory.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU     Clock    Multiplier   SW1/1    SW1/2   SW1/3   SW1/4   SW1/5
  speed     speed

  233MHz    66MHz       3.5x       Off      On     Off      Off      On

  266MHz    66MHz        4x        Off      On      On      On      Off

  300MHz    66MHz       4.5x       Off      On     Off      On      Off

                          POWER SUPPLY SELECTION

      Type               JP8               JP12               JP13

       AT          Pins 1 & 2, 3 &        Closed              Open
                      4 closed

       ATX              Open               Open              Closed

