MICRO EXPRESS, INC.
FOREX 386/486
|
Processor |
80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/66(internal)MHz |
|
Chip Set |
Forex |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP2 |
Turbo switch |
JP15 |
|
Reset switch |
JP8 |
Turbo LED |
JP16 |
|
Power LED & keylock |
JP14 |
Speaker |
JP17 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Parity check enabled |
JP5 |
Closed | |
|
Parity check disabled |
JP5 |
Open | |
|
Monitor type select color |
JP6 |
Open | |
|
Monitor type select monochrome |
JP6 |
Closed | |
|
Factory configured - do not alter |
JP19 |
N/A | |
|
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) 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 | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U26) |
TAG (U42) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
NONE |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
NONE |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP8A |
JP8B |
JP8C |
JP8D |
JP8E |
JP8F |
|
64KB |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
|
128KB |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
|
Note:Pins designated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION | |
|
Type |
W1 & W2 |
|
80386DX |
2 & 3, 5 & 6, 8 & 9,11 & 12, 14 & 15, 17 & 18, and 20 & 21 |
|
80486DLC |
1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17, and 19 & 20 |
|
80486SX |
1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17, and 19 & 20 |
|
80487SX |
1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17, and 19 & 20 |
|
80486DX |
1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17, and 19 & 20 |
|
80486DX2 |
1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17, and 19 & 20 |
|
Notes:Pins designated should be in the closed position. | |
|
CPU TYPE CONFIGURATION (CONT) | |||
|
Type |
JP12 |
JP13 |
JP30 |
|
80386DX |
N/A |
N/A |
N/A |
|
80486DLC |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
N/A |
|
80487SX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |