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 |