CACHE 486 ISA FULL SIZE Motherboard Settings and Configuration
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CACHE 486 ISA FULL SIZE
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 20/25/33/50MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 64MB |
Cache | 64/128/256/512KB |
BIOS | AMI |
Dimensions | 355mm x 304mm |
I/O Options | None |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J2 | Turbo LED | JP10 |
Power LED & keylock | J21 | Reset switch | SW1 |
Speaker | J22 | Turbo switch | SW2 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | Monitor type select color | JP1 | Open |
Monitor type select monochrome | JP1 | Closed | |
| » | Power good signal detect from power supply | JP400 | pins 1 & 2 closed |
Power good signal detect from board | JP400 | pins 2 & 3 closed | |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (4) 256K x 9 | NONE | NONE | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 | NONE | NONE |
6MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | NONE |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
9MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
10MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
13MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE | NONE | NONE |
20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE |
24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE |
28MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
36MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
52MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (8) 8K x 8 | NONE | (1) 8K x 8 |
128KB | (8) 8K x 8 | (8) 8K x 8 | (1) 8K x 8 |
256KB | (8) 32K x 8 | NONE | (1) 32K x 8 |
512KB | (8) 32K x 8 | (8) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size | JP4 | JP5 | JP6 | JP8 | JP9 |
64KB | Open | Open | Open | Open | pins 2 & 3 closed |
128KB | Open | Open | Closed | Closed | pins 2 & 3 closed |
256KB | Open | Closed | Closed | Closed | pins 2 & 3 closed |
512KB | Closed | Closed | Closed | Closed | pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||
Type | JP100 | JP101 | JP102 |
80486SX | pins 2 & 3 closed | Open | Open |
80487SX | pins 1 & 2 closed | Closed | pins 1 & 2 closed |
80486DX | pins 1 & 2 closed | Closed | pins 2 & 3 closed |
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