ABIT COMPUTER CORPORATION
386 AT3
Processor |
AMD386DX/80386DX/CX486DLC/Ti486DLC/Ti486SXL2 |
Processor Speed |
33/40MHz |
Chip Set |
ALI |
Max. Onboard DRAM |
192MB |
Cache |
32/128KB |
BIOS |
AMI/AWARD |
Dimensions |
230mm x 218mm |
I/O Options |
Green PC feature connector |
NPU Options |
80387DX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP3 |
Speaker |
JP11 |
Turbo switch |
JP8 |
Power LED & keylock |
JP12 |
Turbo LED |
JP9 |
Green PC feature connector |
JP15 |
Reset switch |
JP10 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
CMOS normal operation |
JP2 |
pins 1 & 2 |
CMOS memory clear |
JP2 |
pins 2 & 3 | |
» |
CPU clock select 33MHz |
JP13 |
pins 1 & 2, 3 & 4 |
CPU clock select 40MHz |
JP13 |
pins 5 & 6 | |
» |
128KB cache enabled |
JP16 |
Closed |
32KB cache enabled |
JP16 |
Open | |
Note:Pins designated are in the closed position. |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1/2 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(1) 256K x 36 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 1M x 9 |
(1) 256K x 36 |
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
16MB |
(4) 4M x 9 |
NONE |
17MB |
(4) 4M x 9 |
(1) 256K x 36 |
20MB |
(4) 4M x 9 |
(1) 1M x 36 |
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
64MB |
(4) 16M x 9 |
NONE |
192MB |
(4) 16M x 9 |
(1) 32M x 36 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
32KB |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
(1) 16K x 8 |
CPU TYPE CONFIGURATION | ||
CPU Type |
JP1 |
JP5 |
80386DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486DLC |
pins 2 & 3 closed |
pins 2 & 3 closed |
GREEN FEATURE CONNECTOR CONFIGURATION | |
Pin |
Function |
1 |
HSYNC |
2 |
Ground |
3 |
VSYNC |
4 |
Ground |
5 |
ENVEDIO |
6 |
Ground |
7 |
Monitor AC power |
8 |
Ground |