DX-8100C Motherboard Settings and Configuration
AMPTRON INTERNATIONAL. INC.
DX-8100C
Processor | 80486SX/80487SX/80486DX/80486DX2 |
Processor Speed | 20/25/33/50(internal)/50/66(internal)/MHz |
Chip Set | Hint |
Max. Onboard DRAM | 128MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP2 | Speaker | JP27 |
Reset switch | JP24 | Turbo LED | JP23 |
Turbo switch | JP25 | 32-bit VESA Local bus slots | SL1, SL2 |
Keylock | JP26 |
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USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Enable on board battery | JP4 | Closed |
| Enable external battery | JP4 | Open |
» | Factory configured - do not alter | JP9 | Closed |
» | Factory configured - do not alter | JP15 | Closed |
» | Monitor type select color | JP16 | Closed |
| Monitor type select monochrome | JP16 | Open |
» | CPU speed select 50MHz | JP17 | pins 1 & 2 closed |
| CPU speed select 33MHz | JP17 | pins 2 & 3 closed |
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 |
16MB | (4) 4M x 9 | NONE |
17MB | (4) 256K x 9 | (4) 4M x 9 |
17MB | (4) 4M x 9 | (4) 256K x 9 |
20MB | (4) 1M x 9 | (4) 4M x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
64MB | (4) 16M x 9 | NONE |
65MB | (4) 256K x 9 | (4) 16M x 9 |
65MB | (4) 16M x 9 | (4) 256K x 9 |
68MB | (4) 1M x 9 | (4) 16M x 9 |
68MB | (4) 16M x 9 | (4) 1M x 9 |
80MB | (4) 16M x 9 | (4) 4M x 9 |
80MB | (4) 4M x 9 | (4) 16M x 9 |
128MB | (4) 16M x 9 | (4) 16M x 9 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | JP5 | JP6 | JP7 | JP8 |
64KB | Open | Open | Open | Open |
128KB | Closed | Open | Open | Closed |
256KB | Closed | Closed | Closed | Closed |
CACHE JUMPER CONFIGURATION (CON'T) | |||
Size | JP12 | JP13 | JP14 |
64KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
128KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2 closed |
256KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||
CPU Type | JP20 | JP21 | JP22 |
80486SX | Open | pins 2 & 3 closed | Open |
80487SX | pins 2 & 3 closed | pins 1 & 2 closed | Closed |
80486DX | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
80486DX2 | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
VESA WAIT STATE/BUS SPEED CONFIGURATION | |||
CPU speed | Wait states | JP10 | JP11 |
< 33MHz | 0 wait states | Open | Open |
> 33MHz | 1 wait state | Closed | Closed |
CLOCK CHIP CONFIGURATION | ||
Speed | JP18 | JP19 |
33MHz | pins 1 & 2 closed | pins 2 & 3 closed |
50MHz | pins 3 & 4 closed | pins 1 & 2 closed |
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