
TYAN COMPUTER CORPORATION

S1952DLU

Device Type              Mainboard
Processor                Pentium II
Processor Speed          350/400/450/500MHz
Chip Set                 Intel 440GX
Maximum Onboard Memory   2GB (SDRAM supported)
Cache                    256/512KB (located on Pentium II CPU)
BIOS                     AMI
Dimensions               355mm x 304mm
I/O Options              32-bit PCI slots (6), floppy drive interface, IDE
                         interfaces (2), SCSI interface, Wide Ultra 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, wake on modem connector

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  AGP slot                 AGP        IDE interface 1           CN10

  ATX power               ATX1        IDE interface 2           CN11
  connector

  ATX power               ATX2        Floppy drive              CN12
  connector                           interface

  Chassis fan power        C1         Chassis intrusion          J8
                                      connector

  CPU fan power            C2         Wake on LAN               JP15
                                      connector

  CPU fan power            C3         Green PC connector        JP17

  Chassis fan power        C4         Wake on modem             JP19
                                      connector

  CPU fan power            C5         IDE interface LED     JP20/pins 1 -
                                                                 3

  CPU fan power            C6         Power LED             JP20/pins 2 &
                                                                 4

  Parallel port            CN1        Reset switch          JP20/pins 5 &
                                                                 7

  Serial port 2            CN2        Soft off power        JP20/pins 6 &
                                      supply                     8

  Serial port 1            CN3        IR connector          JP20/pins 9 &
                                                                 15

  USB connector 1          CN4        SCSI interface LED        JP27

  USB connector 2          CN5        Server management         JP28
                                      connector

  PS/2 mouse port          CN6        Speaker                   JP35

  Wide Ultra SCSI          CN7        32-bit PCI slots       PC1 - PC6
  interface

  SCSI interface           CN8        RAID slot                 SL1

  Wide Ultra SCSI          CN9
  interface

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J14          Unidentified
      alter

     Factory configured - do not           J15          Unidentified
      alter

     Factory configured - do not           J17          Unidentified
      alter

     Factory configured - do not           JP2          Unidentified
      alter

     CMOS memory normal operation          JP3        Pins 1 & 2 closed

      CMOS memory clear                     JP3        Pins 2 & 3 closed

     Factory configured - do not          JP21          Unidentified
      alter

     Factory configured - do not          JP22          Unidentified
      alter

     Factory configured - do not          JP23          Unidentified
      alter

      On board SCSI enabled                JP36              Open

      On board SCSI disabled               JP36             Closed

  Note: The location of JP2 & JP21 are unidentified.

                           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

                        DIMM CONFIGURATION (CON'T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     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

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

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP11      JP12      JP13      JP14
  speed     speed

  350MHz    100MHz       3.5x       Closed     Open      Open     Closed

  400MHz    100MHz        4x         Open     Closed    Closed    Closed

  450MHz    100MHz       4.5x        Open     Closed     Open     Closed

  500MHz    100MHz        5x         Open      Open     Closed    Closed

