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. | ||