
SUPER MICRO

S2DGR

Device Type                 Mainboard
Processor                   Pentium II
Processor Speed             400/450MHz
Chip Set                    Intel 440GX
Maximum Onboard Memory      2GB (SDRAM supported)
Cache                       1024KB (located on Pentium II CPU)
BIOS                        AMI
Dimensions                  355mm x 304mm
I/O Options                 32-bit PCI slots (5), floppy drive interface,
                            IDE interfaces (2), SCSI interface, Ultra SCSI
                            interface, Ultra Wide SCSI interfaces (2),
                            parallel port, PS/2 mouse port, serial ports
                            (2), IR connector, USB connectors (2), ATX
                            power connector, AGP slot, RAID slot, wake on
                            LAN connector, SB-link connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  AGP slot                 AGP         Power LED &           JF1/pins 5 
                                       keylock                    9

  ATX power                ATX         Speaker              JF1/pins 10 -
  connector                                                      13

  SB-link connector        CN1         IR connector          JF2/pins 1 
                                                                  8

  IDE interface 2          J15         Soft off power        JF2/pins 9 &
                                       supply                    10

  IDE interface 1          J16         Reset switch         JF2/pins 12 &
                                                                 13

  USB connector 1          J17         Chassis intrusion         JL1
                                       connector

  USB connector 2          J18         Overheat LED             JOH1

  Parallel port            J19         Thermal input             JTM
                                       connector

  Serial port 1            J20         Chassis fan power         JT1

  Serial port 2            J21         Chassis fan power        JT1A

  Floppy drive             J22         Chassis fan power         JT2
  interface

  PS/2 mouse port          J34         Chassis fan power        JT2A

  5v auxiliary power       J36         Chassis fan power         JT3

  Ultra Wide SCSI          JA1         Chassis fan power        JT3A
  interface

  Ultra Wide SCSI          JA2         32-bit PCI slots       PC1  PC4
  interface

  Ultra SCSI               JA3         RAID slot                 SL1
  interface

  External battery         JBT2        SCSI interface LED       SLED

  IDE interface LED    JF1/pins 1     Wake on LAN               WOL
                            4          connector

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Overheat buzzer disabled             BZON              Open

      Overheat buzzer enabled              BZON             Closed

     Factory configured - do not           JA7          Unidentified
      alter

     CMOS memory normal operation         JBT1        Pins 1 & 2 closed

      CMOS memory clear                    JBT1        Pins 2 & 3 closed

     Factory configured - do not           JL2          Unidentified
      alter

     Factory configured - do not          JP12          Unidentified
      alter

     Factory configured - do not          JP13          Unidentified
      alter

     Factory configured - do not          JP16          Unidentified
      alter

     Factory configured - do not          JP18          Unidentified
      alter

     BIOS CTL PD state                    JP20        Pins 2 & 3 closed

      PIIX CTL PD state                    JP20        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

     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 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

     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

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

     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

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

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

                        DIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

    1024MB       (1) 64M x 64  (1) 64M x 64       None           None

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

    1536MB       (1) 64M x 64  (1) 64M x 64   (1) 64M x 64       None

    2048MB       (1) 64M x 64  (1) 64M x 64   (1) 64M x 64   (1) 64M x 64

            Note: Board accepts SDRAM memory.

                   CACHE CONFIGURATION

  Note: 1024KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

   CPU      Clock    Multiplier    JB1      JB2      JB3     JB4     JP11
  speed    speed

  400MHz   100MHz       4x        Closed   Closed    Open   Closed   Open

  450MHz   100MHz      4.5x        Open    Closed    Open   Closed   Open

  Note: Pins designated should be in the closed position.

                        SCSI TERMINATION SELECTION

           Setting                     JA5                   JA6

            Enabled                 Closed                 Closed

             Disabled                 Open                   Open

  Note: JA5 is for JA1 & JA3. JA6 is for JA2.

