GIGA-BYTE TECHNOLOGY CO., LTD.
GA-486PA
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
16/20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
OPTi |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
J4 |
|
Reset switch |
J2 |
Turbo LED |
J5 |
|
Speaker |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select color |
J23 |
Closed |
|
Monitor type select monochrome |
J23 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 32K x 1 |
|
128KB |
(4) 32K x 8 |
NONE |
(2) 32K x 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 32K x 1 |
|
512KB |
(4) 128K x 8 |
NONE |
(2) 32K x 1 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP8 |
JP17 |
JP18 |
JP19 |
|
64KB |
pins 2 & 3 closed |
Open |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
Closed |
Open |
Open |
|
256KB |
pins 2 & 3 closed |
Closed |
Closed |
Open |
|
512KB |
pins 1 & 2 closed |
Closed |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |
|
Type |
J7 |
|
80486SX |
pins 1 & 2 closed |
|
80486DX |
pins 2 & 3 closed |
|
80486DX2 |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
J6 |
|
16MHz |
Closed |
|
20MHz |
Closed |
|
25MHz |
Open |
|
33MHz |
Open |
|
50iMHz |
Open |
|
50MHz |
Open |
|
66iMHz |
Open |