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. | |||