ABC COMPUTER COMPANY, LTD.
COMPACT 286 VER. 1/VER. 4
|
Processor |
80286 |
|
Processor Speed |
20MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
E3 |
External battery |
J17 |
|
Reset switch |
E6 |
Speaker |
J19 |
|
MIPS counter |
E8 |
Power LED & keylock |
J21 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
NPU speed select fast |
E1 & E2 |
pins 1 & 2 closed |
|
NPU speed select slow |
E1 & E2 |
pins 2 & 3 closed | |
| » |
BIOS type select 27128 |
E4 |
pins 1 & 2 closed |
|
BIOS type select 27256 |
E4 |
pins 2 & 3 closed | |
| » |
CMOS memory normal operation |
E5 |
pins 1 & 2 closed |
|
CMOS memory clear |
E5 |
pins 2 & 3 closed | |
| » |
Reset enabled through hardware and keyboard |
E7 |
pins 2 & 3 closed |
|
Reset enabled through hardware only |
E7 |
pins 1 & 2 closed | |
| » |
Monitor type select monochrome |
SW1 |
pins 1 & 2 closed |
|
Monitor type select color |
SW1 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(18) 41256 |
NONE |
NONE |
NONE |
|
640KB |
(18) 41256 |
(18) 4164 |
NONE |
NONE |
|
1MB |
(18) 41256 |
(18) 41256 |
NONE |
NONE |
|
1.5MB |
(18) 41256 |
(18) 41256 |
(18) 41256 |
NONE |
|
1.64MB |
(18) 41256 |
(18) 4164 |
(18) 41256 |
(18) 41256 |
|
2MB |
(18) 41256 |
(18) 41256 |
(18) 41256 |
(18) 41256 |
|
2MB |
(18) 411000 |
NONE |
NONE |
NONE |
|
3MB |
(18) 41256 |
(18) 41256 |
(18) 411000 |
NONE |
|
4MB |
(18) 411000 |
(18) 411000 |
NONE |
NONE |
|
4.64MB |
(18) 41256 |
(18) 4164 |
(18) 411000 |
(18) 411000 |
|
5MB |
(18) 41256 |
(18) 41256 |
(18) 411000 |
(18) 411000 |
|
6MB |
(18) 411000 |
(18) 411000 |
(18) 411000 |
NONE |
|
8MB |
(18) 411000 |
(18) 411000 |
(18) 411000 |
(18) 411000 |
|
Note:Locations of banks within the DRAM area are unknown. | ||||