EFA CORPORATION
3486UC-L4-U3
|
Processor |
80386DX/80486SX/80486DX |
|
Processor Speed |
16/20/25/33/40/50(internal)/50MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J2 |
Turbo LED |
J16 |
|
External battery |
J4 |
Power LED & keylock |
J18 |
|
Reset switch |
J15 |
Speaker |
J19 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
|
Monitor type select color |
J9 |
pins 2 & 3 closed |
|
|
Monitor type select monochrome |
J9 |
pins 1 & 2 closed |
|
|
Turbo switch enabled |
J17 |
Open |
|
|
Turbo switch normal operation |
J17 |
Closed |
|
DRAM CONFIGURATION |
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|
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) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION |
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|
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) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION |
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|
Size |
J1 |
J2 |
J3 |
J13 |
J14 |
|
64KB |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
N/A |
|
128KB |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
|
256KB |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
|
Note:Pins designated should be in the closed position. |
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|
CPU TYPE CONFIGURATION |
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|
Type |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 |
|
80386DX |
On |
On |
Off |
Off |
|
80486SX |
Off |
Off |
On |
On |
|
80486DX |
On |
On |
Off |
Off |
|
CPU TYPE CONFIGURATION (CONT.) |
||||||||
|
Type |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
SW2/8 |
|
80386DX |
On |
On |
On |
On |
Off |
Off |
On |
On |
|
80486SX |
Off |
Off |
Off |
Off |
On |
On |
On |
Off |
|
80486DX |
Off |
Off |
Off |
Off |
On |
On |
On |
Off |
|
CPU SPEED CONFIGURATION |
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|
Speed |
SW3/switch 1 |
SW3/switch 2 |
SW3/switch 3 |
SW3/switch 4 |
|
16MHz |
On |
Off |
On |
On |
|
20MHz |
On |
Off |
On |
Off |
|
25MHz |
On |
Off |
Off |
Off |
|
33MHz |
On |
Off |
Off |
On |
|
40MHz |
Off |
On |
Off |
On |
|
50i MHz |
On |
Off |
Off |
Off |
|
50MHz |
Off |
On |
Off |
Off |