ADVANCED INTEGRATION RESEARCH, INC.
486EO-50/33/25/20 EISA
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256/512KB |
|
BIOS |
AMI/Phoenix |
|
Dimensions |
309mm x 331mm |
|
I/O Options |
32-bit external memory card slot, 32-bit external video card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J4 |
Turbo LED |
J8 |
|
Power LED & Keylock |
J5 |
32-bit external memory card |
S1 |
|
Reset switch |
J6 |
32-bit external video card |
VP1 |
|
Turbo switch |
J7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JO3 |
Open | |
|
Factory configured - do not alter |
JO4 |
Open | |
|
Monitor type select monochrome |
JP6 |
Open | |
|
Monitor type select color |
JP6 |
Closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
16MB |
(4) 1M 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) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M 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) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
|
192MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
|
256MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
|
Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at S1. | ||||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
|
CACHE JUMPER CONFIGURATION | |||||||
|
Size |
JP1 |
JP2 |
JP3 |
JP9 |
JP10 |
JP11 |
JP12 |
|
64K |
Open |
Open |
Open |
Open |
Open |
Open |
2 & 3 |
|
128K |
Closed |
Open |
Open |
Closed |
Open |
Open |
1 & 2 |
|
256K |
Closed |
Closed |
Open |
Closed |
Open |
Closed |
2 & 3 |
|
512K |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP7 |
JP8 |
|
80486SX |
pins 2 & 3 closed |
open |
|
80487SX |
pins 1 & 2 and 3 & 4 closed |
pins 1 & 2 closed |
|
80486DX |
pins 1 & 2 and 3 & 4 closed |
pins 2 & 3 closed |
|
ODP486SX |
pins 1 & 2 and 3 & 4 closed |
pins 1 & 2 closed |
|
80486DX2 |
pins 1 & 2 and 3 & 4 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |||||||
|
Speed |
JO1 |
JO2 |
JP4 |
JP5 |
JP13 |
JP14 |
JP15 |
|
20MHz |
Open |
Closed |
Open |
Open |
2 & 3 |
Closed |
2 & 3 |
|
25MHz |
Open |
Open |
Open |
Open |
2 & 3 |
Closed |
1 & 2 |
|
33MHz |
Open |
Closed |
Open |
Closed |
2 & 3 |
Open |
1 & 2 |
|
50iMHz |
Open |
Open |
Open |
Open |
2 & 3 |
Closed |
1 & 2 |
|
50MHz |
Open |
Open |
Closed |
Closed |
1 & 2 |
Open |
1 & 2 |
|
66iMHz |
Open |
Closed |
Open |
Closed |
2 & 3 |
Open |
1 & 2 |