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. |