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.
|