
M TECHNOLOGY, INC.

M668DS STALLION

Device Type                Mainboard
Processor                  Pentium II
Processor Speed            233/266/300MHz
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     1GB (EDO & SDRAM supported)
Maximum Video Memory       None
Cache                      256/512KB (located on Pentium II CPU)
BIOS                       AMI
Dimensions                 305mm x 245mm
I/O Options                32-bit PCI slots (3), floppy drive interface,
                           IDE interfaces (2), Ultra SCSI interface, Ultra
                           Wide SCSI interface, parallel port, PS/2 mouse
                           port, serial ports (2), IR connector, USB
                           connectors (2), ATX power connector, AGP slot,
                           RAID slot
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       IR connector                J2

  ATX power connector        ATX       Reset switch               J3A

  Parallel port              CN1       Soft off power supply      J3B

  Serial port 2              CN2       Turbo LED                  J3C

  Serial port 1              CN3       IDE interface LED          J3D

  USB connector 2            CN4       Power LED & keylock        J3E

  USB connector 1            CN5       Speaker                    J3F

  PS/2 mouse port            CN6       Wake on LAN connector      J10

  Floppy drive interface     CN7       CPU fan power              JP8

  Ultra SCSI interface       CN8       CPU fan power              JP11

  Ultra Wide SCSI            CN9       32-bit PCI slots         PC1  PC3
  interface

  IDE interface 1            CN10      RAID slot                  SL1

  IDE interface 2            CN11

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP3           Pins 2 & 3
                                                              closed

      CMOS memory clear                       JP3           Pins 1 & 2
                                                              closed

     Modem wake up COM select COM2           JP6           Pins 1 & 2
                                                              closed

      Modem wake up COM select COM1           JP6           Pins 2 & 3
                                                              closed

     DRAM EEC mode select non EEC            JP9           Pins 2 & 3
      error                                                   closed

      DRAM EEC mode select EEC error          JP9           Pins 1 & 2
                                                              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

                        DIMM CONFIGURATION (CONT)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

      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

      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       None           None           None
                      64

     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    (1) 1M x 64       None           None
                      64

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

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

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

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

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

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

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

     256MB         (1) 32M x       None           None           None
                      64

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

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

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

     280MB         (1) 32M x    (1) 1M x 64    (1) 1M x 64   (1) 1M x 64
                      64

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

     304MB         (1) 32M x    (1) 2M x 64    (1) 2M x 64   (1) 2M x 64
                      64

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

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

     352MB         (1) 32M x    (1) 4M x 64    (1) 4M x 64   (1) 4M x 64
                      64

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

     448MB         (1) 32M x    (1) 8M x 64    (1) 8M x 64   (1) 8M x 64
                      64

     512MB         (1) 32M x     (1) 32M x        None           None
                      64            64

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

     640MB         (1) 32M x     (1) 16M x      (1) 16M x    (1) 16M x 64
                      64            64             64

     768MB         (1) 32M x     (1) 32M x      (1) 32M x        None
                      64            64             64

     1024MB        (1) 32M x     (1) 32M x      (1) 32M x    (1) 32M x 64
                      64            64             64

            Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is
            512MB. Maximum EDO is 1GB.

                     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   SW1/6
  speed    speed

  233MHz   66MHz      3.5x       On      Off     Off     On     Off     Off

  266MHz   66MHz       4x        Off     On      On      On     Off     Off

  300MHz   66MHz      4.5x       Off     On      Off     On     Off     Off

