
TYAN COMPUTER CORPORATION

S1441 PENTIUM-VL (Revision 1.1)

Processor         Pentium
Processor Speed   60/66MHz
Chip Set          OPTi
Max. Onboard DRAM 128MB
Cache             64/128/256/512/1024/2024KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit VESA local bus slots (3)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Turbo LED                   J15       32-bit VESA Local       S1 - S3
                                        bus slots

  Turbo switch                J16       Reset switch              SW1

  Power LED & keylock         J22

  Speaker                    JP18

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             J11              Open
      alter

     Factory configured - do not             J12              Open
      alter

     Factory configured - do not             J13             Closed
      alter

     Factory configured - do not             J15             Closed
      alter

     Factory configured - do not             J17             Closed
      alter

     CMOS memory normal operation            JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP1           pins 1 & 2
                                                              closed

     Monitor type select color               JP2              Open

      Monitor type select monochrome          JP2             Closed

     Factory configured - do not             JP3             Closed
      alter

     AT back - to - back I/O delay           JP10            Closed
      enabled

      AT back - to - back I/O delay           JP10             Open
      disabled

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      NONE

     16MB        (2) 2M x 36      NONE

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

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

     32MB        (2) 4M x 36      NONE

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

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

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

     64MB        (2) 8M x 36      NONE

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

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

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

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

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

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      64KB        (8) 8K x 8         NONE         (1) 8K x 8

     128KB        (8) 8K x 8      (8) 8K x 8      (1) 8K x 8

     256KB        (8) 32K x 8        NONE         (1) 8K x 8

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

     1024KB      (8) 128K x 8        NONE        (1) 32K x 8

     2024KB      (8) 128K x 8    (8) 128K x 8    (1) 128K x 8

                           CACHE JUMPER CONFIGURATION

  Size     JP6   JP19     JP20     JP21    JP22   JP23   JP50     JP51     JP77

  64KB     1 &   Open     Open     Open     1 &   1 &    Open     Open     Open
           2                                2      2

  128KB    2 &  Closed    Open     Open     2 &   2 &    Open     Open     Open
           3                                3      3

  256KB    1 &  Closed   Closed    Open     1 &   1 &    Open     Open     Open
           2                                2      2

  512KB    2 &  Closed   Closed   Closed    2 &   2 &    Open     Open     Open
           3                                3      3

  1024KB   1 &  Closed   Closed   Closed    1 &   1 &    Closed   Open     1 &
           2                                2      2                        2

  2024KB   2 &  Closed   Closed   Closed    2 &   2 &    Closed   Closed   2 &
           3                                3      3                        3

  Note:Pins designated should be in the closed position.

             VESA BUS CLOCK CONFIGURATION

    Speed         JP63          JP64          JP65

    20MHz      pins 2 & 3    pins 1 & 2    pins 1 & 2

    25MHz      pins 1 & 2    pins 2 & 3    pins 1 & 2

    33MHz      pins 1 & 2    pins 1 & 2    pins 2 & 3

    40MHz      pins 2 & 3    pins 2 & 3    pins 1 & 2

    50MHz      pins 2 & 3    pins 1 & 2    pins 2 & 3

                           VESA BUS CLOCK SOURCE

       Source              JP4               JP5                JP7

   Internal clock         Open            pins 2 & 3           Open
     from chip                              closed

   External clock        Closed           pins 1 & 2          Closed
                                            closed

                        AT BUS CLOCK CONFIGURATION

  CPU speed divided by:            JP8                      JP9

            2                      Open                    Open

            3                     Closed                   Open

            4                      Open                   Closed

            5                     Closed                  Closed

                          CPU SPEED CONFIGURATION

    Speed        JP59        JP60        JP61        JP62         JP78

    60MHz      pins 1 &     pins 2 &    pins 1 &    pins 1 &   pins 1 & 2
                  2            3           2           2

    66MHz      pins 2 &     pins 1 &    pins 2 &    pins 2 &   pins 2 & 3
                  3            2           3           3

  Note: Pins designated should be in the closed position.

      VESA WAIT STATE/BUS SPEED (ID2 &AMP; ID3) CONFIGURATION

    CPU speed      Wait states       JP15 (ID3)      JP16 (ID2)

      33MHz      0 wait states         Open            Open

     > 33MHz       1 wait state        Closed          Closed

