CACHE 386/486 SYSTEM DOMINATOR AK3/4 Motherboard Settings and Configuration
ABIT COMPUTER CORPORATION
CACHE 386/486 SYSTEM DOMINATOR AK3/4
Processor | AM386DX/80386DX/CX486DLC |
Processor Speed | 33/40MHz |
Chip Set | UMC |
Max. Onboard DRAM | 32MB |
Cache | 32/128KB |
BIOS | Award |
Dimensions | 170mm x 220mm |
NPU Options | Intel 80387D/CX87DLC/IIT3C87-33-40 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Keyboard Connector | J1 | Turbo switch | J5 |
External battery | J2 | Turbo LED | J6 |
Power Input | J3 | Speaker | J7 |
Reset switch | J4 | Power LED & keylock | J8 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | NPU disabled | JP1 | pins 1 & 2 closed |
NPU enabled | JP1 | pins 2 & 3 closed | |
» | CPU speed select 40 MHz | JP7 | pins 1 & 2 closed |
CPU speed select 33 MHz | JP7 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP8 | Open |
» | Power good signal detect from board | JP9 | pins 2 & 3 closed |
Power good signal detect from power supply | JP9 | pins 1 & 2 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 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
17MB | (4) 4M x 9 | (4) 256K x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | |||
Size | Max Cachable | Bank 0 | TAG |
32KB | 8MB | (4) 8K x 8 | 8K x 8 |
128KB | 16MB | (4) 32K x 8 | 8K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size | JP3 | JP4 | JP5 |
32KB | Open | Open | Open |
128KB | Closed | Closed | Closed |
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