
TYAN COMPUTER CORPORATION

S1461

Processor         Pentium
Processor Speed   75/90/100/120/133MHz
Chip Set          Unidentified
Max. Onboard DRAM 128MB
Cache             256/512KB
BIOS              AMI/Award
Dimensions        254mm x 218mm
I/O Options       32-bit PCI slots (4), IDE interfaces (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                      Location     Purpose             Location

  IDE interface (primary)         CN1       Turbo LED             J23

  IDE interface(secondary)        CN2       Power LED &           J26
                                            keylock

  Turbo switch                    J17       Speaker               J27

  Reset switch                    J18       32-bit PCI slots    PC1 - PC4

  IDE interface LED               J19

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J7           pins 2 & 3
      alter                                                   closed

     Factory configured - do not              J8           pins 1 & 2
      alter                                                   closed

     Factory configured - do not              J9           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             J10             Closed
      alter

     CMOS memory normal operation            J11              Open

      CMOS memory clear                       J11             Closed

     Factory configured - do not             J14           pins 2 & 3
      alter                                                   closed

     Factory configured - do not             J24              N/A
      alter

     Factory configured - do not             J25              N/A
      alter

     Factory configured - do not             J28              N/A
      alter

     Factory configured - do not             J29              N/A
      alter

     Factory configured - do not             J30              N/A
      alter

     Factory configured - do not             J31              N/A
      alter

     Factory configured - do not             J32             Closed
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB        (2) 512K x 36         NONE

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

       8MB         (2) 1M x 36          NONE

      12MB         (2) 1M x 36     (2) 512K x 36

      16MB         (2) 1M x 36      (2) 1M x 36

      16MB         (2) 2M x 36          NONE

      24MB         (2) 2M x 36      (2) 1M x 36

      32MB         (2) 2M x 36      (2) 2M x 36

      32MB         (2) 4M x 36          NONE

      40MB         (2) 4M x 36      (2) 1M x 36

      48MB         (2) 4M x 36      (2) 2M x 36

      64MB         (2) 4M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      72MB         (2) 8M x 36      (2) 1M x 36

      80MB         (2) 8M x 36      (2) 2M x 36

      96MB         (2) 8M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

     512KB      (4) 64K x 8    (4) 64K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size                J6                J21                J22

      256KB           pins 2 & 3            Open              Closed
                        closed

      512KB           pins 1 & 2           Closed              Open
                        closed

         CPU SPEED CONFIGURATION

  Speed      J15        J16       J20

  75MHz     Closed    Closed     Open

  90MHz      Open     Closed     Open

  100MHz    Closed     Open      Open

  120MHz     Open     Closed    Closed

  133MHz    Closed     Open     Closed

