MORSE TECHNOLOGIES, INC.
P1
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 16/20/25/33MHz |
Chip Set | Morse |
Max. Onboard DRAM | 16MB |
Cache | 64/128/256KB |
BIOS | AMI/Award |
Dimensions | 220mm x 220mm |
I/O Options | None |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP2 | Turbo LED | JP16 |
Power LED & keylock | JP14 | Speaker | JP17 |
Turbo switch | JP15 | Reset switch | JP18 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Battery select internal 3.6VDC | JP4 | Closed |
Battery select external 6VDC | JP4 | Open | |
» | Parity check enabled | JP5 | Closed |
Parity check disabled | JP5 | Open | |
» | Monitor type select color | JP6 | Closed |
Monitor type select monochrome | JP6 | Open | |
» | CMOS memory normal operation | JP7 | Open |
CMOS memory clear | JP7 | Closed | |
» | Keyboard diagnostic disabled | JP19 | Open |
Keyboard diagnostic enabled | JP19 | Closed | |
Note:Locations of JP5, JP6, JP7, & JP19 are unidentified. |
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) 4M x 9 | (4) 256K x 9 |
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 (U26) | TAG (U42) |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | NONE |
128KB | NONE | (4) 32K x 8 | (1) 8K x 8 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 8K x 8 | (1) 8K x 8 |
SRAM JUMPER CONFIGURATION | |||||
Size | JP8A | JP8B | JP8D | JP8E | JP8F |
64KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
256KB | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
Note:Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Type | JP12 | JP13 | JP30 |
80486SX | Pins 2 & 3 closed | pins 2 & 3 closed | Open |
80487SX | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
80486DX | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
Note:When changing the CPU, the Oscillator at Y2 must also be changed so that its speed is equal to twice the speed of the processor. e.g. A 25MHz CPU would require a 50MHz Oscillator. |