ADVANCED INTREGRATION RESEARCH, INC.
486UL REV. 1.0
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2/ODP586SX |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
UMC |
Max. onboard DRAM |
32MB |
SRAM Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 220mm |
I/O Options |
32-bit external memory card, 32-bit VESA local bus slots (3) |
NPU Options |
None |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Turbo switch |
J6 |
Power LED & keylock |
J3 |
Turbo LED |
J7 |
Speaker |
J4 |
32-bit memory card |
S1 |
Reset |
J5 |
32-bit VESA local bus slots |
S2, S3, & S4 |
USER CONFIGURABLE SETTINGS |
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Function |
Jumper |
Position |
|
» |
Keyboard clock select 8MHz |
J08 |
pins 1 & 2 closed |
|
Keyboard clock select iOSC derived |
J08 |
pins 2 & 3 closed |
» |
CMOS memory normal operation |
JP4 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP4 |
pins 2 & 3 closed |
» |
Onboard battery enabled |
JP8 |
Closed |
|
Onboard battery disabled |
JP8 |
Open |
» |
Monitor type select color |
JP10 |
Closed |
|
Monitor type select monochrome |
JP10 |
Open |
DRAM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4)1M x 9 |
(4)1M x 9 |
NONE |
NONE |
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
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) 1M x 9 |
(4) 4M x 9 |
32MB |
(4)4M x 9 |
(4)4M x 9 |
NONE |
NONE |
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M 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 |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
Note: Banks 2 & 3 are located on the optional external memory card inserted into S1. |
CPU TYPE CONFIGURATION |
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CPU |
JP1 |
JP2 |
JP3 |
80486SX |
Open |
pins 2 & 3 closed |
Open |
80487SX/ODP486SX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
Open |
80486DX/DX2 |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
Open |
CPU SPEED CONFIGURATION |
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Speed |
J03 |
J04 |
J05 |
J06 |
20MHz |
Closed |
Closed |
Closed |
Open |
25/50i MHz |
Closed |
Closed |
Open |
Closed |
33/66i MHz |
Closed |
Open |
Closed |
Closed |
40MHz |
Open |
Open |
Closed |
Open |
50MHz |
Open |
Open |
Open |
Open |
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 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
128KB |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
256KB |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
Note: Pins designated should be in the closed position. |
VESA BUS SPEED (ID3) CONFIGURATION |
|
CPU speed |
JP23 (ID3) |
<=33MHz |
Open |
>33MHz |
Closed |