ATRONICS INTERNATIONAL, INC.
486/B2
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/40(internal)/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
64MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J4 |
32-bit external memory card |
S1 |
|
Turbo switch |
J5 |
Reset switch |
W7 |
|
Speaker |
J6 |
Turbo LED |
W11 |
|
Power LED & keylock |
J7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CPU speed select iOSC/1 |
JPX20 |
pins 2 & 3 closed | |
|
CPU speed select iOSC/2 |
JPX20 |
pins 1 & 2 closed | |
|
Monitor type select color |
W8 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
W8 |
pins 2 & 3 closed | |
|
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) 256K x 9 |
(4) 1M 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 |
|
DRAM JUMPERCONFIGURATION | ||
|
Size |
JP2 |
JP3 |
|
On board memory used |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
No on board memory used |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG (U4, U8 & U16) |
|
32KB |
(4) 8K x 8 |
NONE |
(3) 16K x 4 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(3) 16K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(3) 16K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(3) 16K x 4 |
|
Note : If more then 16MB of DRAM is being cached, an additional 16K x 4 TAG chip must be installed at U12. | |||
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
W1 |
W2 |
W3 |
W4 |
W5 |
W10 |
|
32KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
64KB |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
256KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note : Pins designated should be in the closed position, | ||||||
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JPX9 |
JPX11 |
JPX12 |
JPX13 |
|
80486SX |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
ODP486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80487SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486DX |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80486DX2 |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |