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

CONNECTIONS

Purpose

Location

Purpose

Location

Video feature connector

CN1

VGA port

J10

Serial ports 1 & 2

CN2

LED flat cable, speaker & battery

J13

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.