M4 386SX Motherboard Settings and Configuration
MORSE TECHNOLOGIES, INC.
M4 386SX
Processor | 80386SX |
Processor Speed | 33/40MHz |
Chip Set | Morse |
Max. Onboard DRAM | 16MB |
Cache | None |
BIOS | AMI |
Dimensions | 220mm x 220mm |
I/O Options | None |
NPU Options | 80387SX/CX387SLC |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP1 | Turbo LED | JP7 |
Turbo switch | JP5 | Power LED & keylock | JP8 |
Reset switch | JP6 | Speaker | JP9 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP3 | Open |
Monitor type select color | JP3 | Closed | |
» | NPU synchronous with CPU | JP4 | pins 1 & 2 closed |
NPU asynchronous with CPU | JP4 | pins 2 & 3 closed | |
» | Turbo mode enabled | JP5 | Closed |
Turbo mode disabled | JP5 | Open | |
» | Factory configured - do not alter | JP10 | Open |
» | CPU type select Intel & AMD | OP1 | Open |
CPU type select Cyrix | OP1 | Closed | |
Note: The location of OP1 is unknown. | |||
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (2) 256K x 9 | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 |
1MB | (2) 512K x 9 | NONE |
2MB | (2) 512K x 9 | (2) 512K x 9 |
2MB | (2) 1M x 9 | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | NONE |
16MB | (2) 4M x 9 | (2) 4M x 9 |
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