UNIDENTIFIED
386 MB
|
Processor |
80386 |
|
Processor Speed |
16/20/25MHz |
|
Chip Set |
C & T |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
16MB (8MB on external memory card) |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
External memory card |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J15 |
Reset switch |
J19 |
|
Turbo LED |
J16 |
External battery |
J20 |
|
Power LED & keylock |
J17 |
External memory card |
SL1 |
|
Speaker |
J18 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
OSC3 used as processor clock |
J15 |
Pins 2 & 3 closed | |
|
OSC2 used as processor clock |
J15 |
Open | |
|
Pipeline mode enabled |
JP2 |
Closed | |
|
Pipeline mode disabled |
JP2 |
Open | |
|
NPU synchronous with CPU |
JP3 |
Closed | |
|
NPU asynchronous with CPU |
JP3 |
Open | |
|
Monitor type select color |
JP6 |
Closed | |
|
Monitor type select monochrome |
JP6 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
None |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
None |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
Note: From 8MB - 16MB, install memory card at SL1. Make sure the size of DRAM chips is the same on both the motherboard and the memory card. | ||
|
DRAM JUMPER CONFIGURATION | ||
|
Setting |
JP4 |
JP5 |
|
Lowest address banks enabled |
Pins 1 & 3, 2 & 4 closed |
Pins 1 & 3, 2 & 4 closed |
|
Highest address banks enabled |
Pins 3 & 5, 4 & 6 closed |
Pins 3 & 5, 4 & 6 closed |
|
NPU SELECTION | ||
|
Type |
JP1 |
JP7 |
|
Installed |
Closed |
Closed |
|
Not installed |
Open |
Open |