MODULAR CIRCUIT TECHNOLOGY
MCT 486 ISA
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
33/50/66(internal)MHz |
|
Chip Set |
VIA |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
J7 |
Speaker |
J10 |
|
Turbo switch |
J8 |
Power LED & keylock |
J11 |
|
Reset switch |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
J2 |
Open |
|
|
Monitor type select monochrome/color |
J3 |
Open |
|
Monitor type select color only |
J3 |
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 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
65MB |
(4) 256K x 9 |
(4) 16M x 9 |
|
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
|
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (M1) |
TAG (M2) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 32K x 8 |
NONE |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
NONE |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JS1 |
JS2 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JC1 |
JC2 |
JC3 |
JC4 |
|
4167 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
|
80486DX |
pins 1 & 2 closed |
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 |
pins 1 & 2 closed |
|
CPU CLOCK SPEED CONFIGURATION | ||
|
Speed |
JK1 |
JK2 |
|
1x |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
2x |
pins 1 & 2 closed |
pins 1 & 2 closed |