TULIP COMPUTERS

DE/DS TULIP 486 ISA (TC39)

Processor         80486SX/80486DX/80486DX2
Processor Speed   33/50(internal)/66(internal)MHz
Chip Set          Texas Instruments
Max. Onboard DRAM 52MB
Cache             256KB
BIOS              Phoenix
Dimensions        330mm x 218mm
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

  Video feature               CN1       VGA port                  J10
  connector

  Serial ports 1 & 2          CN2       LED flat cable,           J13
                                        speaker & battery

  IDE interface                J2       Parallel port             J19

  Floppy drive interface       J3       Chassis fan power         J21

                            DRAM CONFIGURATION

   Expansion from:       Expansion to:         Bank 0          Bank 1

         4MB                  8MB           (1) 1M x 36         None

         4MB                 12MB           (1) 1M x 36      (1) 1M x 36

         4MB                 12MB           (1) 2M x 36         None

         4MB                 16MB           (1) 1M x 36      (1) 2M x 36

         4MB                 20MB           (1) 2M x 36      (1) 2M x 36

         4MB                 20MB           (1) 4M x 36         None

         4MB                 24MB           (1) 1M x 36      (1) 4M x 36

         4MB                 28MB           (1) 2M x 36      (1) 4M x 36

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

         4MB                 36MB           (1) 8M x 36         None

         4MB                 40MB           (1) 1M x 36      (1) 8M x 36

         4MB                 44MB           (1) 2M x 36      (1) 8M x 36

         4MB                 52MB           (1) 4M x 36      (1) 8M x 36

         N/A                 64MB           (1) 8M x 36      (1) 8M x 36

            Note:4MB is internal memory and is not configurable. When 8M
            x 36 simms are installed, the 4MB internal memory is
            disabled.

       CACHE CONFIGURATION

  Expansion to:       Bank 0

     256 KB        (9) 32K x 8

                      VRAM CONFIGURATION

        Size               Bank 0               Bank 1

        1MB             (2) 256K X 16            None

        2MB             (2) 256K X 16       (2) 256K X 16

  Note:Bank 0 is factory installed and is not configurable.