UNIDENTIFIED
NT-386/CT
|
Processor |
80386DX |
|
Processor Speed |
16/20/25/33MHZ |
|
Chip Set |
C & T Peak/DM |
|
Max. onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
Unknown |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card |
|
NPU Options |
80387DX/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP5 |
Turbo switch |
JP28 |
|
Power LED & keylock |
JP21 |
Reset switch |
JP29 |
|
Speaker |
JP24 |
32-bit external memory card |
S1 |
|
Turbo LED |
JP25 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Monitor type select color |
JP3 |
Closed |
|
Monitor type select monochrome |
JP3 |
Open | |
| » |
NPU synchronous with CPU |
JP26 |
Open |
|
NPU asynchronous |
JP26 |
Closed | |
| » |
Power good signal detect from board |
JP27 |
pins 2 & 3 closed |
|
Power good signal detect from power supply |
JP27 |
pins 1 & 2 closed | |
| » |
CMOS memory normal operation |
JP30 |
pins 2 & 3 closed |
|
CMOS memory clear |
JP30 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | |||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
JP1 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
pins 1 & 2 |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
pins 1 & 2 |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
pins 1 & 2 |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
pins 1 & 2 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
pins 1 & 2 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
pins 2 & 3 |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
pins 2 & 3 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
pins 1 & 2 |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
pins 2 & 3 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
pins 1 & 2 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
pins 1 & 2 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
pins 1 & 2 |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
NONE |
pins 2 & 3 |
|
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
pins 2 & 3 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
pins 2 & 3 |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
pins 2 & 3 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
pins 1 & 2 |
|
33MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
NONE |
pins 2 & 3 |
|
34MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
pins 2 & 3 |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
pins 2 & 3 |
|
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
pins 2 & 3 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
pins 1 & 2 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
pins 1 & 2 |
|
Note:Banks 2 & 3 are located on an optional 32-bit external memory card. Pins designated should be in the closed position. | |||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(2) 16K x 4 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(2) 64K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 64K x 4 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP6 |
JP7 |
JP8 |
JP9 |
|
32KB |
Open |
Closed |
Closed |
Closed |
|
64KB |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
128KB |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
256KB |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CACHE JUMPER CONFIGURATION | ||||||||||
|
Size |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
JP16 |
JP17 |
JP18 |
JP19 |
JP20 |
|
32KB |
Open |
Open |
Closed |
Open |
Closed |
Open |
2 & 3 |
Open |
2 & 3 |
Open |
|
64KB |
Open |
Open |
Closed |
Closed |
Closed |
Open |
2 & 3 |
Open |
Open |
Closed |
|
128KB |
Open |
Closed |
Open |
Closed |
Closed |
Open |
1 & 2 |
1 & 2 |
Open |
Closed |
|
256KB |
Closed |
Closed |
Open |
Closed |
Open |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |