Abit FA3
ABIT COMPUTER CORPORATION
FA3 MAINBOARD
| Processor |
80386DX
|
| Processor Speed |
33/40MHz
|
| Chip Set |
Unidentified
|
| Max. Onboard DRAM |
32MB
|
| Cache |
64/128/256KB
|
| BIOS |
AMI/Award
|
| Dimensions |
254mm x 218mm
|
| I/O Options |
None
|
| NPU Options |
80387DX/3167
|
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location |
|
External battery
|
J4
|
Turbo switch
|
J7 pins 1 & 2
|
|
Reset switch
|
J5
|
Turbo LED
|
J7 pins 4 & 5
|
|
Speaker
|
J6
|
Power LED & keylock
|
J8
|
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
|
�
|
Factory configured - do not alter
|
JP1
|
pins 1 & 2 closed
|
|
�
|
Factory configured - do not alter
|
JP1
|
pins 2 & 3 closed
|
|
�
|
Monitor type select monochrome
|
JP2
|
pins 2 & 3 closed
|
|
Monitor type select CGA/EGA/VGA
|
JP8
|
pins 2 & 3 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
|
|
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
|
(1) 8K x 8
|
|
128KB
|
(4) 32K x 8
|
NONE
|
(1) 8K x 8
|
|
256KB
|
(4) 32K x 8
|
(4) 32K x 8
|
(1) 32K x 8
|
| CACHE JUMPER CONFIGURATION | ||
| Size | JP5 | JP6 |
|
64KB
|
Open
|
pins 1 & 2 closed
|
|
128KB
|
pins 1 & 2, 3 & 4 closed
|
pins 2 & 3 closed
|
|
256KB
|
pins 1 & 2, 3 & 4, 5 & 6 closed
|
pins 1 & 2 closed
|
