ACE CACHE 486/WB Motherboard Settings and Configuration
AXIK COMPUTER, INC.
ACE CACHE 486/WB
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 20/25/33/50MHz |
Chip Set | SIS |
Max. Onboard DRAM | 32MB |
Cache | 64/256KB |
BIOS | AMI/MR |
Dimensions | 330mm x 218mm |
I/O OPTIONS | 32-bit external video card |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | C1 | Keylock | C5 |
Turbo switch | C2 | External battery | JP1 |
Turbo LED | C3 | 32-bit external video card | S1 |
Speaker | C4 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | CMOS memory normal operation | JP2 | pins 1 & 2 closed |
CMOS memory clear | JP2 | pins 2 & 3 closed | |
CMOS memory disabled | JP2 | Open | |
| » | Factory configured - do not alter | JP7 | pins 1 & 2 closed |
| » | Factory configured - do not alter | JP8 | pins 1 & 2 closed |
| » | Monitor type select color | JP10 | Closed |
Monitor type select monochrome | JP10 | Open | |
| » | NPU mode select synchronous with CPU | JP11 | Closed |
NPU mode select asynchronous with CPU | JP11 | Open | |
| » | Bus speed select CPU OSC | JP24 | pins 1 & 2 closed |
Bus speed select OSC-IO | JP24 | 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) 1M x 9 | (4) 256K x 9 |
5MB | (4) 256K x 9 | (4) 1M x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
17MB | (4) 4M x 9 | (4) 256K x 9 |
17MB | (4) 256K x 9 | (4) 4M x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | |
Size | Bank 0 |
64KB | (8) 64K x 9 |
256KB | (8) 256K x 9 |
CACHE JUMPER CONFIGURATION | ||||
Size | JP12 | JP13 | JP14 | JP15 |
64KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed |
256KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
CPU TYPE CONFIGURATION | ||
Type | JP3 | JP4 |
80486SX | pins 1 & 2; 5 & 6 closed | pins 2 & 3 closed; 5 & 6 open |
80487SX | pins 2 & 3; 4 & 5 closed | pins 2 & 3; 4 & 5 closed |
80486DX | pins 2 & 3; 5 & 6 closed | pins 2 & 3; 5 & 6 closed |
CPU BUS SPEED JUMPER CONFIGURATION | ||
CPU OSC | JP25 | JP26 |
/3 | Closed | Closed |
/4 | Open | Open |
/5 | Open | Closed |
/6 | Closed | Open |
EXTERNAL VIDEO CARD CONFIGURATION | ||
Setting | JP5 | JP6 |
Enabled | Closed | Closed |
Disabled | Open | Open |
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