TULIP COMPUTERS

486 EISA TR (TC33/TC34)

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   25/33/50(internal)/66(internal)
Chip Set          Texas Instruments
Max. Onboard DRAM 64MB
Cache             None
BIOS              Phoenix
Dimensions        335mm x 304mm
I/O Options       Floppy drive interface, IDE interface, parallel port,
                  serial ports(2),VGA feature connector, VGA port
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  UPS connector             CN1       Flat cable connector        J5
                                      (LCD unit)

  Serial port 2             CN2       Speaker, Batteries,         J6
                                      Power

  Serial port 1             CN3       IDE interface            J15, J26

  VGA port                  CN4       VGA feature                J17
                                      connector

  Floppy drive              J2        Parallel port              J24
  interface                           connector

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

      Factory configured - do not alter       SW1/4             Off

  »   Non-rechargeable battery                SW1/5             Off

      Rechargeable battery                    SW1/5             On

      Factory configured - do not alter       SW1/6             On

      Factory configured - do not alter       SW1/7             Off

      Factory configured - do not alter       SW1/8             Off

                        DRAM CONFIGURATION 486 SX/E

    Expansion     Expansion to    Bank 0     Bank 1    Bank 2     Bank 3
     from:

      4MB              8MB         NONE      (4) 1M     NONE       NONE
                                              x 9

      4MB             16MB         NONE       NONE      (4) 1M    (4) 1M
                                                         x 9       x 9

      4MB             16MB        (4) 4M x    NONE      NONE       NONE
                                     9

      4MB             24MB         NONE       NONE      (4) 4M     NONE
                                                         x 9

      4MB             32MB         NONE      (4) 4M     NONE       NONE
                                              x 9

      4MB             40MB         NONE       NONE      NONE      (4) 4M
                                                                   x 9

      4MB             64MB         NONE       NONE      (4) 4M    (4) 4M
                                                         x 9       x 9

  Note: 4MB is internal memory and is not configurable.

                    DRAM SWITCH CONFIGUTATION 486 SX/E

    Expansion      Expansion to       SW1/1        SW1/2         SW1/3
      from:

       4MB              8MB             On          Off           On

       4MB             16MB            Off          Off           On

       4MB             24MB            Off          Off           Off

       4MB             40MB             On          Off           Off

       4MB             16MB            Off           On           On

       4MB             32MB             On           On           Off

       4MB             64MB            Off           On           Off

                        DRAM CONFIGURATION 486 DX/E

    Expansion     Expansion to    Bank 0     Bank 1    Bank 2     Bank 3
     from:

      8MB             16MB         NONE       NONE      (4) 1M    (4) 1M
                                                         x 9        x9

      8MB             32MB        (4) 4M x   (4) 4M     NONE       NONE
                                     9        x 9

      8MB             40MB         NONE       NONE      (4) 4M    (4) 4M
                                                         x 9       x 9

      8MB             64MB         NONE       NONE      (4) 4M    (4) 4M
                                                         x 9       x 9

  Note: 8MB is internal memory and is not configurable.

                    DRAM SWITCH CONFIGURATION 486 DX/E

    Expansion      Expansion to       SW1/1        SW1/2         SW1/3
      from:

       8MB             16MB            Off          Off           On

       8MB             40MB             On          Off           Off

      32MB             32MB             On           On           Off

      32MB             64MB            Off           On           Off