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 |