
TYAN COMPUTER CORPORATION

S1468

Processor          Pentium
Processor Speed    75/90/100/120/133/150/166MHz
Chip Set           Intel
Max. Onboard DRAM  128MB
Cache              256/512KB
BIOS               AMI/Award
Dimensions         330mm x 218mm
I/O Options        32-bit PCI slots (4), floppy drive interface, IDE
                   interfaces (2), parallel port, PS/2 mouse port, serial
                   ports (2), cache slot, Infra Red connectors (2), VRM
                   connector
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  PS/2 mouse port           CN1        Infra Red interface      CON10

  IDE interface 2           CN2        Speaker                   J45

  IDE interface 1           CN3        Power LED & keylock       J46

  Floppy drive              CN4        Turbo switch              J47
  interface

  Serial port 1             CN5        IDE interface LED     J48 pins 1 &
                                                                  2

  Serial port 2             CN6        Reset switch              J49

  Parallel port             CN7        Turbo LED                 J50

  VRM connector             CN8        32-bit PCI slots       PC1 - PC4

  Infra Red interface      CON9        Cache slot                SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             J12              N/A
      alter

     Factory configured - do not             J14              N/A
      alter

     Factory configured - do not             J15              N/A
      alter

     Factory configured - do not             J16              N/A
      alter

     Factory configured - do not             J17              N/A
      alter

     Factory configured - do not             J18              N/A
      alter

     Factory configured - do not             J19              N/A
      alter

     Factory configured - do not             J20              N/A
      alter

     Factory configured - do not             J21              N/A
      alter

     Factory configured - do not             J22           pins 2 & 3
      alter                                                   closed

     Factory configured - do not             J23              N/A
      alter

      Chipset type select SMC 665IR           J25           pins 1 & 2
      (set at factory do not alter)                           closed

      Chipset type select SMC 669IR           J25           pins 2 & 3
      (set at factory do not alter)                           closed

     Factory configured - do not             J26             Closed
      alter

     Factory configured - do not             J27             Closed
      alter

     Factory configured - do not             J34              N/A
      alter

     Factory configured - do not             J35              Open
      alter

     Factory configured - do not             J36             Closed
      alter

     Factory configured - do not             J37              Open
      alter

     Factory configured - do not             J38              Open
      alter

     Factory configured - do not             J39             Closed
      alter

     Factory configured - do not             J40              Open
      alter

     CMOS memory normal operation            J41              Open

      CMOS memory clear                       J41             Closed

     Factory configured - do not             J42           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             J43           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             J44           pins 1 & 2
      alter                                                   closed

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 32        NONE          NONE

     32MB       (2) 4M x 32        NONE          NONE

     16MB       (2) 1M x 32    (2) 1M x 32       NONE

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

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

     48MB       (2) 1M x 32    (2) 1M x 32    (2) 4M x 32

     80MB       (2) 1M x 32    (2) 1M x 32    (2) 8M x 32

     48MB       (2) 4M x 32    (2) 2M x 32       NONE

     56MB       (2) 4M x 32    (2) 2M x 32    (2) 1M x 32

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

     80MB       (2) 4M x 32    (2) 2M x 32    (2) 4M x 32

     112MB      (2) 4M x 32    (2) 2M x 32    (2) 8M x 32

     32MB           NONE       (2) 4M x 32       NONE

     40MB           NONE       (2) 4M x 32    (2) 1M x 32

     48MB           NONE       (2) 4M x 32    (2) 2M x 32

     64MB           NONE       (2) 4M x 32    (2) 4M x 32

     96MB           NONE       (2) 4M x 32    (2) 8M x 32

     64MB           NONE       (2) 8M x 32       NONE

     72MB           NONE       (2) 8M x 32    (2) 1M x 32

     80MB           NONE       (2) 8M x 32    (2) 2M x 32

     96MB           NONE       (2) 8M x 32    (2) 4M x 32

     128MB          NONE       (2) 8M x 32    (2) 8M x 32

                            CACHE CONFIGURATION

     Size          Bank 0        Bank 1          TAG            SL1

   256KB (A)     (4) 32K x 8   (4) 32K x 8   (1) 32K x 8   Not installed

   256KB (B)        NONE          NONE          NONE         Installed

   512KB (A)     (4) 64K x 8   (4) 64K x 8   (1) 32K x 8   Not installed

   512KB (B)        NONE          NONE          NONE         Installed

  Note: If SL1 is used, Banks 0 & 1 and TAG must be removed.

                        CACHE JUMPER CONFIGURATION

      Size          J13        J28         J29         J30         J31

     256KB         2 & 3      1 & 2       2 & 3       2 & 3       1 & 2

     512KB         1 & 2      2 & 3       1 & 2       2 & 3       1 & 2

  Cache module      N/A       1 & 2       1 & 2       1 & 2       1 & 2

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

      Speed               J24                J32               J33

      75MHz         pins 1 & 2, 3 & 4        Open              Open
                         closed

      90MHz         pins 3 & 4 closed        Open              Open

      100MHz        pins 1 & 2 closed        Open              Open

      120MHz        pins 3 & 4 closed       Closed             Open

      133MHz        pins 1 & 2 closed       Closed             Open

      150MHz        pins 1 & 2, 3 & 4        Open             Closed
                         closed

      166MHz        pins 1 & 2 closed       Closed            Closed

                         CPU VOLTAGE CONFIGURATION

  Voltage    J1        J2       J4       J5       J6       J9       J11

   3.3v     Open      Open    Closed   Closed   Closed    Open     Open

    5v      Closed   Closed    Open     Open     Open     Closed   Closed

                   INFRA RED CONFIGURATION

       Setting               J51                  J52

     Normal I/O        pins 1 & 2 closed   pins 1 & 2 closed

     IR support        pins 2 & 3 closed   pins 2 & 3 closed

