MODULAR CIRCUIT TECHNOLOGY
MCT-M3486-33/40
|
Processor |
80386SX/80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J6 |
Turbo switch |
J10 |
|
External battery |
J7 |
Turbo LED |
J11 |
|
Power LED & keylock |
J8 |
Reset switch |
J12 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select color |
J3 |
pins 2 & 3 closed |
|
Monitor type select monochrome |
J3 |
pins 1 & 2 closed | |
|
|
NPU disabled |
JP2 |
Open |
|
NPU enabled |
JP2 |
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 |
|
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 |
|
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 |
W2 |
W3 |
W4 |
W5 |
W6 |
W7 |
W8 |
W9 |
|
64KB |
Open |
Open |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
|
128KB |
Open |
Open |
Closed |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
|
256KB |
Closed |
Closed |
Closed |
Closed |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP1 |
W12 |
W13 |
|
80386SX |
pins 1 & 2 closed |
Open |
Open |
|
80487SX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
|
80486DX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
|
80486DX2 |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |