
MICRO EQUIPMENT CORPORATION

PR5 R2 PCI (REV 2.01)

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256KB
BIOS                 Award
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (3), floppy drive interface, green PC
                     connector, IDE interfaces (2), parallel port, PS/2
                     mouse port, serial ports (2), IR connector, USB
                     connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose              Location       Purpose               Location

  Serial port 1           CN1         Green PC            J5 pins 7 - 9
                                      connector

  Serial port 2           CN2         Speaker                J5 pins
                                                           14/16/18/20

  Floppy drive            CN3         Reset switch       J5 pins 17 - 19
  interface

  Parallel port           CN4         PS/2 mouse port          JP3

  IDE interface 2         CN5         USB connector            JP6

  IDE interface 1         CN6         Chassis fan              JP9
                                      power

  IDE interface           J4          IR connector            JP14
  LED

  Power LED &           J5 pins       32-bit PCI            PC1 - PC3
  keylock             2/4/6/8/10      slots

  Turbo LED          J5 pins 3 - 5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP1           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP1           Pins 2 & 3
                                                              closed

     Flash BIOS voltage select 12v           JP4           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP4           Pins 1 & 2
                                                              closed

                      DRAM CONFIGURATION

        Size                Bank 0               Bank 1

         8MB             (2) 1M x 32              None

        16MB             (2) 2M x 32              None

        16MB             (2) 1M x 32          (2) 1M x 32

        24MB             (2) 2M x 32          (2) 1M x 32

        32MB             (2) 4M x 32              None

        32MB             (2) 2M x 32          (2) 2M x 32

        40MB             (2) 4M x 32          (2) 1M x 32

        48MB             (2) 4M x 32          (2) 2M x 32

        64MB             (2) 8M x 32              None

        64MB             (2) 4M x 32          (2) 4M x 32

        72MB             (2) 8M x 32          (2) 1M x 32

        80MB             (2) 8M x 32          (2) 2M x 32

        96MB             (2) 8M x 32          (2) 4M x 32

        128MB            (2) 8M x 32          (2) 8M x 32

  Note: Board accepts EDO memory. Banks are interchangeable.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   (1) 32K x 8

                        CPU SPEED SELECTION (CYRIX)

   CPU      Clock   Multiplier   DS/1   DS/2    DS/3   DS/4   DS/5   DS/6
  speed    speed

  120MHz   50MHz        2x       Off     On     On     On     Off    Off

  133MHz   55MHz        2x       Off     On     Off    Off    On     Off

  150MHz   60MHz        2x       Off     On     Off    On     On     Off

  166MHz   66MHz        2x       Off     On     On     Off    On     Off

                         CPU SPEED SELECTION (AMD)

    CPU        CPU      Clock     Multiplier     DS/1     DS/2     DS/3
   speed      type      speed

   75MHz     SSA/5      50MHz        1.5x         Off      Off      On

   75MHz     SSA/5      66MHz         1x          Off      On       On

   90MHz     SSA/5      55MHz        1.5x         Off      Off      Off

   90MHz     SSA/5      60MHz        1.5x         Off      Off      Off

  100MHz     SSA/5      66MHz        1.5x         Off      Off      On

  100MHz       K5       55MHz        1.5x         Off      Off      Off

  100MHz       K5       50MHz        1.5x         Off      Off      On

  120MHz       K5       60MHz        1.5x         Off      Off      Off

  133MHz       K5       66MHz        1.5x         Off      Off      On

  150MHz       K5       60MHz         2x          Off      On       Off

  166MHz       K5       66MHz         2x          Off      On       On

                     CPU SPEED SELECTION (AMD, CONT)

    CPU        CPU      Clock     Multiplier     DS/4     DS/5     DS/6
   speed      type      speed

   75MHz     SSA/5      50MHz        1.5x         On       Off      Off

   75MHz     SSA/5      66MHz         1x          Off      On       Off

   90MHz     SSA/5      55MHz        1.5x         Off      On       Off

   90MHz     SSA/5      60MHz        1.5x         On       On       Off

  100MHz     SSA/5      66MHz        1.5x         Off      On       Off

  100MHz       K5       55MHz        1.5x         Off      On       Off

  100MHz       K5       50MHz        1.5x         On       Off      Off

  120MHz       K5       60MHz        1.5x         On       On       Off

  133MHz       K5       66MHz        1.5x         Off      On       Off

  150MHz       K5       60MHz         2x          On       On       Off

  166MHz       K5       66MHz         2x          Off      On       Off

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock   Multiplier   DS/1   DS/2    DS/3   DS/4   DS/5   DS/6
  speed    speed

  75MHz    50MHz       1.5x      Off    Off     On     On     Off    Off

  90MHz    60MHz       1.5x      Off    Off     Off    On     On     Off

  100MHz   66MHz       1.5x      Off    Off     On     Off    On     Off

  120MHz   60MHz        2x       Off     On     Off    On     On     Off

  133MHz   66MHz        2x       Off     On     On     Off    On     Off

  150MHz   60MHz       2.5x       On     On     Off    On     On     Off

  166MHz   66MHz       2.5x       On     On     On     Off    On     Off

  200MHz   66MHz        3x        On    Off     On     Off    On     Off

                           CPU VOLTAGE SELECTION

           Voltage                    JP11                   JP12

         3.38v (STD/VR)        Pins 3 & 4 closed     Pins 1 & 2 closed

           3.52v (VRE)          Pins 5 & 6 closed     Pins 3 & 4 closed

