JPN CORPORATION
MB386DX-33/40
Processor | 80386DX |
Processor Speed | 33/40MHz |
Chip Set | Forex |
Max. Onboard DRAM | 32MB |
Cache | 32/64/128KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit external memory card |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP2 | Speaker | JP10 |
Turbo LED | JP7 | Turbo switch | JP11 |
Reset switch | JP8 | 32-bit external memory card | S1 |
Power LED & keylock | JP9 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | JP3 | Open |
Monitor type select monochrome | JP3 | Closed | |
» | NPU mode select synchronous with CPU | JP5 | pins 1 & 2 closed |
NPU mode select synchronous with oscillator installed at Y1 | JP5 | pins 2 & 3 closed | |
» | External battery select 6VDC | JP200 | Open |
External battery select 3.6VDC | JP200 | Closed | |
» | CMOS memory normal operation | JP202 | Open |
CMOS memory clear | JP202 | Closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (4) 256K x 9 | NONE | NONE | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 | NONE | NONE |
6MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | NONE |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
9MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE | NONE | NONE |
20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE |
24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE |
32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
36MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
Note:Banks 2 and 3 are utilized when a 32-bit external memory card is installed at S1. |
CACHE CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | (TAG) U15 | (TAG) U16 |
32KB | (4) 8K x 8 | NONE | NONE | (1) 8K x 8 |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | NONE | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size | JP6 |
32KB | pins 1 & 2 closed |
64KB | pins 2 & 3 closed |
128KB | pins 2 & 3 closed |