ZYTEX COMPUTERS, INC.
TB486
|
Processor |
80486DX |
|
Processor Speed |
33MHz |
|
Chip Set |
ETEQ |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/256KB |
|
BIOS |
AMI/MR |
|
Dimensions |
330.2mm x 218.4mm |
|
I/O OPTIONS |
32-bit external memory card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J4 |
Power LED & Keylock |
JP26 |
|
External battery |
JP2 |
Speaker |
JP27 |
|
32-bit external memory card |
JP5 |
Turbo LED |
T1 |
|
Turbo switch |
JP25 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select monochrome |
J4 |
Open | |
|
Monitor type select color |
J4 |
Closed | |
|
Filter circuitry disabled |
JP3 |
Closed | |
|
Filter circuitry enabled |
JP3 |
Open | |
|
NPU read speed select 3 wait states |
JP24 |
Open | |
|
NPU read speed select 2 wait states |
JP24 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
64KB |
(8) 8K x 8 |
(2) 8K x 8 |
|
256KB |
(8) 32K x 8 |
(2) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JP19 |
JP20 |
JP21 |
JP22 |
JP23 |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
Open |
Open |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
Closed |
Closed |