NASCENT TECHNOLOGY, INC.
NT386-33
|
Processor |
80386DX |
|
Processor Speed |
33MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
8MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
J3 |
Reset switch |
J6 |
|
Power LED & keylock |
J4 |
Turbo switch |
W6 |
|
Speaker |
J5 |
32-bit external memory card |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Factory configured - do not alter |
SW1/3 |
N/A |
| » |
DMA clock speed select 8.25MHz |
W1 |
pins 1 & 2 closed |
|
DMA clock speed select 4.13MHz |
W1 |
pins 2 & 3 closed | |
| » |
8 bit memory I/O select 4 wait states |
W4 |
pins 1 & 2 closed |
|
8 bit memory I/O select 5 wait states |
W4 |
pins 2 & 3 closed | |
| » |
16 bit memory I/O select 1 wait state |
W5 |
pins 1 & 2 closed |
|
16 bit memory I/O select 2 wait states |
W5 |
pins 2 & 3 closed | |
| » |
Monitor type select monochrome |
W7 |
pins 1 & 2 closed |
|
Monitor type select color |
W7 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at S1. | ||||
|
DRAM JUMPER/SWITCH CONFIGURATION | |||||
|
Size |
SW1/1 |
SW1/2 |
SW1/4 |
W8 |
W9 |
|
1MB |
On |
On |
On |
2 & 3 |
2 & 3 |
|
2MB |
On |
Off |
Off |
2 & 3 |
2 & 3 |
|
4MB |
Off |
Off |
On |
1 & 2 |
1 & 2 |
|
8MB |
On |
Off |
Off |
1 & 2 |
1 & 2 |
|
12MB |
Off |
On |
Off |
1 & 2 |
1 & 2 |
|
16MB |
On |
On |
Off |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
64KB |
(10) 16K x 4 |
(1) 16K x 1 |
|
256KB |
(10) 64K x 4 |
(1) 64K x 1 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W2 |
W3 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |