EFA CORPORATION
486FLE2
|
Processor |
80486SX/ODP486SX/80486DX/80487SX/ODP486DX/80486DX2 |
|
Processor Speed |
16/20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
JP4 |
Turbo switch |
JP9 |
|
Speaker |
JP7 |
Turbo LED |
JP22 |
|
Reset switch |
JP8 |
32-bit VESA Local bus slots |
S1 & S2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
JP1 |
Closed | |
|
Monitor type select monochrome |
JP1 |
Open | |
|
|
Factory configured - do not alter |
JP5 |
pins 1 & 2 closed |
|
|
Factory configured - do not alter |
JP6 |
pins 1 & 2 closed |
|
|
Factory configured - do not alter |
JP21 |
Closed |
|
Note:The exact locations of JP1 & JP21 are unknown. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
2MB |
(4) 512K x 9 |
NONE |
|
4MB |
(4) 1M x 9 |
NONE |
|
4MB |
(4) 512K x 9 |
(4) 512K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
8MB |
(4) 2M x 9 |
NONE |
|
16MB |
(4) 4M x 9 |
NONE |
|
16MB |
(4) 2M x 9 |
(4) 2M x 9 |
|
18MB |
(4) 512K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
JP16 |
|
64KB |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
128KB |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
|
256KB |
pins 4 & 5 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
Note:Pins designated should be in the closed position. | ||||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
SW2/switch 1 |
SW2/switch 2 |
SW2/switch 3 |
|
16MHz |
On |
Off |
On |
|
20MHz |
Off |
Off |
On |
|
25MHz |
On |
On |
Off |
|
33MHz |
Off |
On |
Off |
|
50i MHz |
On |
On |
Off |
|
50MHz |
Off |
Off |
Off |
|
66i MHz |
Off |
On |
Off |
|
CPU TYPE CONFIGURATION | ||||||||
|
Type |
JP3 |
JP24 |
JP25 |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
|
80486SX |
N/A |
N/A |
N/A |
Off |
Off |
Off |
On |
Off |
|
80486SX (PQFP) |
Open |
Open |
1 & 2 |
N/A |
N/A |
N/A |
N/A |
N/A |
|
ODP486SX |
N/A |
N/A |
N/A |
On |
Off |
On |
Off |
On |
|
80486DX |
N/A |
N/A |
N/A |
On |
On |
Off |
Off |
On |
|
80486DX (PQFP) |
Closed |
Closed |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
ODP486DX |
N/A |
N/A |
N/A |
On |
Off |
On |
Off |
On |
|
80486DX2 |
N/A |
N/A |
N/A |
On |
On |
Off |
Off |
On |
|
Note:Pins designated should be in the closed position. | ||||||||