AMERICAN RESEARCH CORPORATION
386S
|
Processor |
80386DX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
Unknown |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
Phoenix |
|
Dimensions |
333mm x 305mm |
|
I/O Options |
32-bit external memory card slots (2), MIPS meter connector |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
MIPS meter |
CON1 |
Speaker |
CON5 |
|
External battery |
CON2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
J9 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
J9 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Slot S1 |
Slot S2 |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
2MB |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
2MB |
2MB |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
2MB |
NONE |
|
12MB 1 |
(4) 1M x 9 |
(4) 1M x 9 |
2MB |
2MB |
|
12MB 2 |
(4) 256K x 9 |
(4) 256K x 9 |
8MB |
2MB |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
8MB |
NONE |
|
DRAM JUMPER CONFIGURATION | ||||
|
Size |
J3 |
J4 |
J5 |
J6 |
|
2MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
4MB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
6MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
8MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
10MB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
12MB 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
12MB 2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
16MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Note 1 :Use this setting when 2MB is installed on board and in slot S1 and S2.Note 2 :Use this setting when 2MB is installed on board and in slot S1, and 8MB is installed in slot S2. | ||||
|
NPU CONFIGURATION | ||
|
Setting |
J1 |
J2 |
|
Disabled |
Open |
Closed |
|
Enabled |
Closed |
Open |
|
BIOS CONFIGURATION | ||
|
Size |
J7 |
J8 |
|
27128 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
27256 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
27512 |
pins 2 & 3 closed |
pins 2 & 3 closed |