ADVANCED INTEGRATION RESEARCH, INC.
AIR486PI REV. 1
Processor |
80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Intel |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interfaces (2), green PC connector, IDE interface, parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Floppy drive interface 2 |
CN1 |
External battery |
J2 |
Floppy drive interface 1 |
CN2 |
Turbo switch |
J3 |
Parallel port |
CN3 |
Speaker |
J4 |
IDE interface |
CN4 |
IDE interface LED |
J5 |
Green PC connector |
CN5 |
Power LED & keylock |
J6 |
Serial port 1 |
CN6 |
Reset switch |
J7 |
Serial port 2 |
CN7 |
32-bit PCI slots |
PC1 - PC3 |
Turbo LED |
J1 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Green PC select auto |
CN5 |
Open |
Green PC select forced |
CN5 |
Closed | |
|
CMOS memory normal operation |
JP1 |
pins 1 & 2 closed |
CMOS memory clear |
JP1 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP2 |
pins 1 & 2 closed |
|
Parallel port IRQ select IRQ7 |
JP3 |
pins 1 & 2 closed |
Parallel port IRQ select IRQ5 |
JP3 |
pins 2 & 3 closed | |
|
Monitor type select VGA/EGA/monochrome |
JP5 |
Open |
Monitor type select CGA |
JP5 |
Closed | |
|
Factory configured - do not alter |
JP13 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP14 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP17 |
Closed |
|
Factory configured - do not alter |
JP18 |
Open |
|
Factory configured - do not alter |
JP23 |
pins 2 & 3 closed |
|
Factory configured - do not alter |
JP24 |
Open |
|
Factory configured - do not alter |
JP26 |
Closed |
|
Factory configured - do not alter |
JP27 |
Open |
|
Factory configured - do not alter |
JP28 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP29 |
Open |
|
Factory configured - do not alter |
JP30 |
Open |
Note: The location of the factory configured jumpers are unknown. |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
(1) 4M x 36 |
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
72MB |
(1) 2M x 36 |
(1) 16M x 36 |
NONE |
NONE |
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
96MB |
(1) 8M x 36 |
(1) 16M x 36 |
NONE |
NONE |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
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 |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
128KB |
Closed |
Open |
Open |
Open |
Open |
256KB |
Open |
Closed |
Closed |
Closed |
Open |
512KB |
Closed |
Open |
Open |
Closed |
Closed |
CPU TYPE CONFIGURATION | |
Type |
JP25 |
80486SX |
pins 2 & 3 closed |
80487SX |
pins 1 & 2 closed |
80486DX/DX2/DX4 |
pins 1 & 2 closed |
Pentium Overdrive |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | ||||
Speed |
JP19 |
JP20 |
JP21 |
JP22 |
25MHz |
Closed |
Open |
Open |
pins 2 & 3 closed |
33MHz |
Open |
Closed |
Closed |
pins 1 & 2 closed |
50iMHz |
Closed |
Open |
Open |
pins 2 & 3 closed |
66iMHz |
Open |
Closed |
Closed |
pins 1 & 2 closed |
FLOPPY DRIVE CONFIGURATION | ||||
4 floppies used |
ECP mode |
JP4 |
JP6 |
JP7 |
Yes |
Disabled |
Open |
Open |
pins 1 & 2 closed |
No |
Enabled (DMA 3) |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
No |
Enabled (DMA 1) |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |