AMERICAN DIGICOM CORPORATION
286E
|
Processor |
80286 |
|
Processor Speed |
12/16/20MHz |
|
Chip Set |
Suntac |
|
Max. Onboard DRAM |
5MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
230mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
JP1 |
Turbo LED |
JP4 |
|
Speaker |
JP2 |
Turbo switch |
JP5 |
|
Reset switch |
JP3 |
External battery |
JP18 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
NPU speed select CPU CLK/1 |
JP7 & JP8 |
pins 1 & 2 closed | |
|
NPU speed select CPU CLK/3 |
JP7 & JP8 |
pins 2 & 3 closed | |
|
Monitor type select color |
JP9 |
Closed | |
|
Monitor type select monochrome |
JP9 |
Open | |
|
Parity check enabled |
JP10 |
Closed | |
|
Parity check disabled |
JP10 |
Open | |
|
CPU speed select 16/20MHz |
JP12 |
pins 1 & 2 closed | |
|
CPU speed select 12MHz |
JP12 |
pins 2 & 3 closed | |
|
CMOS memory normal operation |
JP17 |
pins 1 & 2 closed | |
|
CMOS memory clear |
JP17 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Parity (P-0) |
Bank 1 |
Parity (P-1) |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
512KB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
1MB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
3MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
5MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note:Banks 2 & 3 are considered Banks 0 & 1, respectively, when filled without using DIP. However, they will be referred to throughout the text as Banks 2 & 3 to avoid confusion. | ||||||
|
DRAM JUMPER CONFIGURATION | ||||
|
Size |
JP13 |
JP14 |
JP15 |
JP16 |
|
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
512KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
1MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
1MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
2MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
2MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
3MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
4MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
5MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
NPU SPEED CONFIGURATION | ||
|
Speed |
JP7 |
JP8 |
|
CLK/1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CLK/3 |
pins 2 & 3 closed |
pins 2 & 3 closed |