|
DC/DT 486SX (TC35)
TULIP COMPUTERS
DC/DT 486SX (TC35)
|
Processor
|
80486SX/80487SX/80486DX/ODP486SX
|
|
Processor Speed
|
20/40(internal)MHz
|
|
Chip Set
|
Texas Instruments
|
|
Max. Onboard DRAM
|
20MB
|
|
Cache
|
256K
|
|
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
|
|
VGA port
|
CN1
|
LED, Speaker, Batteries
|
J2
|
|
Serial port 2
|
CN2
|
IDE interface
|
J3
|
|
Parallel port
|
CN3
|
VESA feature connector
|
J9
|
|
Serial port 1
|
CN4
|
Floppy drive interface
|
J10
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Jumper
|
Position
|
|
»
|
Parallel port unidirectional (printer)
|
J20
|
Pins 1 & 2 closed
|
|
|
Paralled port bidirectional
|
J20
|
Pins 2 & 3 closed
|
|
»
|
Battery - Rechargeable
|
J21
|
Pins 1 & 2 closed
|
|
|
Battery - Non-rechargeable
|
J21
|
N/A
|
|
»
|
Factory configured - do not alter
|
J22
|
N/A
|
|
CPU UPGRADE TYPE CONFIGURATION
|
|
UPGRADE
|
J14
|
J18
|
|
80487SX
|
N/A
|
Pins 2 & 3 closed
|
|
80486DX
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
|
80486DX2
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
|
ODP486SX
|
N/A
|
Pins 2 & 3 closed
|
|
CACHE CONFIGURATION
|
|
Size
|
Bank 0
|
TAG
|
J11
|
|
64KB
|
(9) 8K x 8
|
(1) 64K x 1
|
N/A
|
|
256KB
|
(9) 32K x 8
|
(1) 64K x 1
|
Pins 1 &2, 3 & 4 closed
|
|
DRAM CONFIGURATION
|
|
Expansion from:
|
Expansion to:
|
Bank 0
|
|
4MB
|
8MB
|
(4) 1MB x 9
|
|
4MB
|
20MB
|
(4) 4MB x 9
|
|
Note: 4MB is internal memory and is not configurable.
|
|
VRAM CONFIGURATION
|
|
VRAM
|
J23
|
|
512KB
|
Pins 1 & 2 closed
|
|
1024KB
|
Pins 2 & 3 closed
|
|
VRAM CONFIGURATION
|
|
Expansion from:
|
Expansion to:
|
VRAM
|
|
512KB
|
1MB
|
(4) 256K x 4
|
|
Note: 512KB is internal memory and is not configurable.
|
|