ABC 3860
ABC COMPUTER COMPANY, LTD.
A3860
Processor |
80386DX |
Processor Speed |
25/33MHz |
Chip Set |
Intel/VLSI |
Max. Onboard DRAM |
40MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330.2mm x 218.4mm |
I/O Options |
None |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery |
J6 |
Turbo LED |
J5 |
Power LED & keylock |
J2 |
Reset switch |
J3 |
Speaker |
J1 |
Turbo switch |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
� | NPU type select 80387 or none |
E2 |
pins 2 & 3 closed |
NPU type select 3167 |
E2 |
pins 1 & 2 closed | |
� | NPU mode select synchronous with CPU |
E3 |
Open |
NPU mode select asynchronous with CPU |
E3 |
Closed | |
� | Pipeline mode enabled |
E4 |
Closed |
Pipeline mode disabled |
E4 |
Open | |
� | Reset enabled |
E5 |
pins 2 & 3 closed |
Reset enabled only when keyboard is locked |
E5 |
pins 1 & 2 closed | |
� | CMOS memory normal operation |
E6 |
Closed |
CMOS memory clear |
E6 |
Open | |
� | CMOS memory normal operation |
E7 |
Open |
CMOS memory clear |
E7 |
Closed | |
� | BIOS type select 8-bit |
E8 |
Closed |
BIOS type select 16-bit |
E8 |
Open | |
� | Factory configured - do not alter |
E9 |
Open |
� | Monitor type select color |
E10 |
Closed |
Monitor type select monochrome |
E10 |
Open |
DRAM CONFIGURATION | |||||||
Size | Batch | Bank 0 | Parity (P-0) | Bank 1 | Parity (P-1) | Bank 2 | Bank 3 |
1MB |
1M |
(8) 44256 |
(4) 41256 |
NONE |
NONE |
NONE |
NONE |
1MB |
1MS |
NONE |
NONE |
NONE |
NONE |
(4) 256K x 9 |
NONE |
2MB |
2M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
NONE |
NONE |
2MB |
2MS |
NONE |
NONE |
NONE |
NONE |
(4) 256K x 9 |
(4) 256K x 9 |
3MB |
3M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 256K x 9 |
NONE |
4MB |
4MK |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
4MM |
(8) 441000 |
(4) 411000 |
NONE |
NONE |
NONE |
NONE |
5MB |
5M |
(8) 44256 |
(4) 41256 |
(8) 441000 |
(4) 411000 |
NONE |
NONE |
6MB |
6M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 1M x 9 |
NONE |
8MB |
8M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
NONE |
NONE |
8MB |
8MS |
NONE |
NONE |
NONE |
NONE |
(4) 1M x 9 |
(4) 1M x 9 |
9MB |
9M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
(4) 256K x 9 |
NONE |
10MB |
10M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 1M x 9 |
(4) 1M x 9 |
12MB |
12M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
(4) 1M x 9 |
NONE |
16MB |
16M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
16MS |
NONE |
NONE |
NONE |
NONE |
(4) 4M x 9 |
NONE |
18MB |
18M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 4M x 9 |
NONE |
24MB |
24M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
(4) 4M x 9 |
NONE |
32MB |
32M |
NONE |
NONE |
NONE |
NONE |
(4) 4M x 9 |
(4) 4M x 9 |
34MB |
34M |
(8) 44256 |
(4) 41256 |
(8) 44256 |
(4) 41256 |
(4) 4M x 9 |
(4) 4M x 9 |
40MB |
40M |
(8) 441000 |
(4) 411000 |
(8) 441000 |
(4) 411000 |
(4) 4M x 9 |
(4) 4M x 9 |
Note:After installing memory, run the applicable batch file on your setup disk. This loads the appropriate values into the chipset. |