JETPRO INFOTECH COMPANY, LTD.
MB-3M(MB-340C4M)
Processor | 80386DX/CX486DLC |
Processor Speed | 25/33/40MHz |
Chip Set | MXIC |
Max. Onboard DRAM | 32MB |
SRAM Cache | 8KB |
BIOS | AMI/Award |
Dimensions | 220mm x 220mm |
I/O Options | None |
NPU Options | 80387/3167/CX83D87 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo LED | D4 | Reset switch | J5 |
External battery | J3 | Speaker | J6 |
Turbo switch | J4 | Power LED & keylock | J7 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | JP1 | pins 2 & 3 closed |
CMOS memory clear | JP1 | pins 1 & 2 closed | |
» | RTC type select 146818 | JP2 JP3 | pins 1 & 2 closed closed |
RTC type select DS1287 | JP2 JP3 | pins 2 & 3 closed open | |
» | Monitor type select color | JP4 | closed |
Monitor type select monochrome | JP4 | open | |
» | CPU select 80386DX | JP5 | pins 1 & 2 closed |
CPU select CX486DLC | JP5 | pins 2 & 3 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) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |