
MODULAR CIRCUIT TECHNOLOGY

JDR-P586-60

Processor         Pentium
Processor Speed   50/60/66MHz
Chip Set          Intel
Max. Onboard DRAM 192MB
Cache             256/512KB
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       SCSI connector, 32-bit PCI slots (3)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose                Location

  SCSI connector               CN1       Turbo LED                J13

  Power LED & keylock          J10       SCSI LED                 JP14

  Speaker                      J11       32-bit PCI bus slots   SL1 - SL3

  Reset switch                 J12

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

     Monitor type select color               J9        pins 2 & 3 closed

      Monitor type select monochrome          J9        pins 1 & 2 closed

     Factory configured - do not            JP1              Open
      alter

     TERMPWR select internal                JP2             Closed

      TERMPWR select external                JP2              Open

     Factory configured - do not            JP3              Open
      alter

     Cache parity not supported             JP4        pins 1 & 2, 3 & 4
                                                             closed

      Cache parity supported                 JP4        pins 1 & 3, 2 & 4
                                                             closed

     BIOS type select EPROM                 JP15       pins 2 & 3 closed

      BIOS type select flash                 JP15       pins 1 & 2 closed

     Factory configured - do not            JP16             Open
      alter

     PCMC monitor CPU parity check          JP20             Open
      disabled

      PCMC monitor CPU parity check          JP20            Closed
      enabled

     CPU NA signal not supported            JP21             Open

      CPU NA signal supported                JP21            Closed

     CPU cache mode select write back       JP22             Open

      CPU cache mode select write            JP22            Closed
      through

  Note: The location of JP1 & JP3 are unknown.

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       6MB        (2) 256K x 36    (2) 256K x 36    (2) 256K x 36

       8MB         (2) 1M x 36          NONE            NONE

      10MB         (2) 1M x 36     (2) 256K x 36        NONE

      12MB         (2) 1M x 36     (2) 256K x 36    (2) 256K x 36

      14MB         (2) 1M x 36     (2) 512K x 36    (2) 256K x 36

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

      18MB         (2) 1M x 36      (2) 1M x 36     (2) 256K x 36

      20MB         (2) 1M x 36      (2) 1M x 36     (2) 512K x 36

      22MB         (2) 2M x 36     (2) 512K x 36    (2) 256K x 36

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

      26MB         (2) 2M x 36      (2) 1M x 36     (2) 256K x 36

      28MB         (2) 2M x 36      (2) 1M x 36     (2) 512K x 36

      32MB         (2) 4M x 36          NONE            NONE

      34MB         (2) 4M x 36     (2) 256K x 36        NONE

      36MB         (2) 4M x 36     (2) 256K x 36    (2) 256K x 36

      38MB         (2) 4M x 36     (2) 512K x 36    (2) 256K x 36

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

      42MB         (2) 4M x 36      (2) 1M x 36     (2) 256K x 36

      44MB         (2) 4M x 36      (2) 1M x 36     (2) 512K x 36

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

      50MB         (2) 4M x 36      (2) 2M x 36     (2) 256K x 36

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      52MB         (2) 4M x 36      (2) 2M x 36     (2) 512K x 36

      56MB         (2) 4M x 36      (2) 2M x 36      (2) 1M x 36

      64MB         (2) 8M x 36          NONE            NONE

      66MB         (2) 8M x 36     (2) 256K x 36        NONE

      68MB         (2) 8M x 36     (2) 256K x 36    (2) 256K x 36

      70MB         (2) 8M x 36     (2) 512K x 36    (2) 256K x 36

      72MB         (2) 8M x 36      (2) 1M x 36         NONE

      74MB         (2) 8M x 36      (2) 1M x 36     (2) 256K x 36

      76MB         (2) 8M x 36      (2) 1M x 36     (2) 512K x 36

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

      82MB         (2) 8M x 36      (2) 2M x 36     (2) 256K x 36

      84MB         (2) 8M x 36      (2) 2M x 36     (2) 512K x 36

      88MB         (2) 8M x 36      (2) 2M x 36      (2) 1M x 36

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

      98MB         (2) 8M x 36      (2) 4M x 36     (2) 256K x 36

      100MB        (2) 8M x 36      (2) 4M x 36     (2) 512K 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

      130MB        (2) 8M x 36      (2) 8M x 36     (2) 256K x 36

      132MB        (2) 8M x 36      (2) 8M x 36     (2) 512K x 36

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

      144MB        (2) 8M x 36      (2) 8M x 36      (2) 2M x 36

      160MB        (2) 8M x 36      (2) 8M x 36      (2) 4M x 36

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

                           CACHE CONFIGURATION

          Size                   Bank 0                   Bank 1

         256KB                 (8) 8K x 8                  NONE

         256KB                    NONE                 (4) 32K x 18

         512KB                    NONE                 (4) 64K x 18

  Note: Banks 0 & 1 cannot be filled simultaneously. Use only one bank.

                        CACHE JUMPER CONFIGURATION

        Size               JP23              JP24              JP25

    Not installed        pins 1 & 2       pins 1 & 2           Open
                          closed            closed

  256KB (non burst)      pins 2 & 3       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

    256KB (burst)        pins 2 & 3       pins 1 & 2        pins 2 & 3
                          closed            closed            closed

  512KB (non burst)      pins 2 & 3       pins 2 & 3        pins 1 & 2
                          closed            closed            closed

    512KB (burst)        pins 2 & 3       pins 2 & 3        pins 2 & 3
                          closed            closed            closed

                 CACHE JUMPER CONFIGURATION (BANK 1 ONLY)

     Type           JP5            JP6            JP7            JP8

    Burst        pins 2 & 3     pins 2 & 3     pins 2 & 3     pins 2 & 3
                  closed         closed         closed          closed

  Non burst      pins 1 & 2     pins 1 & 2     pins 1 & 2     pins 1 & 2
                  closed         closed         closed          closed

        CPU SPEED CONFIGURATION

  Speed      JP17     JP18      JP19

  50MHz     Closed    Open      Open

  60MHz      Open    Closed     Open

  66MHz     Closed    Open     Closed

                  PCI INTERRUPT CONFIGURATION (INT A & B)

       IRQ              JP11               JP12               JP13

      IRQ11             Open            pins 1 & 2            Open
                                          closed

      IRQ10           pins 1 & 2           Open               Open
                       closed

      IRQ9              Open               Open         pins 1 & 2 closed

                    PCI INTERRUPT CONFIGURATION (INT C)

       IRQ              JP11               JP12               JP13

      IRQ10           pins 2 & 3           Open               Open
                       closed

      IRQ9              Open               Open         pins 2 & 3 closed

      IRQ11             Open            pins 2 & 3            Open
                                          closed

