ADVANCED INTEGRATION RESEARCH, INC.
486UL
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI/Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external memory card slot, 32-bit VESA local bus slots (3) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Turbo switch |
J6 |
Power LED & keylock |
J3 |
Turbo LED |
J7 |
Speaker |
J4 |
32-bit VESA local bus slots |
S1-S3 |
Reset switch |
J5 |
32-bit external memory card |
JME1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Keyboard BIOS speed select 8MHz |
JO8 |
pins 1 & 2 closed |
Keyboard BIOS speed select from CPU speed |
JO8 |
pins 2 & 3 closed | |
» |
CMOS memory normal operation |
JP4 |
pins 1 & 2 closed |
CMOS memory clear |
JP4 |
pins 2 & 3 closed | |
» |
Battery type select internal |
JP8 |
Closed |
Battery type select external |
JP8 |
Open | |
» |
Monitor type select color |
JP10 |
Closed |
Monitor type select monochrome |
JP10 |
Open |
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 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
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 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JP13 |
JP14 |
JP16 |
JP17 |
JP18 |
JP19 |
64KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
128KB |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
256KB |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Type |
JP1 |
JP2 |
JP3 |
80486SX |
Open |
pins 2 & 3 closed |
Open |
ODP486SX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
Open |
80487SX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
Open |
80486DX |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
Open |
80486DX2 |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
Open |
CPU SPEED CONFIGURATION | |||||
Speed |
JO3 |
JO4 |
JO5 |
JO6 |
JP23 |
20MHz |
Closed |
Closed |
Closed |
Open |
Open |
25MHz |
Closed |
Closed |
Open |
Closed |
Open |
33MHz |
Closed |
Open |
Closed |
Closed |
Open |
40MHz |
Open |
Open |
Closed |
Open |
Closed |
50iMHz |
Closed |
Closed |
Open |
Closed |
Open |
50MHz |
Open |
Open |
Open |
Open |
Open |
66iMHz |
Closed |
Open |
Closed |
Closed |
Open |