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 |