ATEN RESEARCH, INC.
486-KVD
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
VIA |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256KB |
|
BIOS |
Award |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J2 |
Speaker |
J12 |
|
Turbo LED |
J9 |
Power LED & keylock |
J13 |
|
Turbo switch |
J10 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Reset switch |
J11 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Battery type select internal |
J1 |
pins 2 & 3 closed |
|
Battery type select external |
J1 |
pins 1 & 2 closed | |
|
|
Monitor type select monochrome/EGA/VGA |
J4 |
Open |
|
Monitor type select color |
J4 |
Closed | |
|
|
Password clear Award |
J7 |
pins 1 & 2 closed |
|
Password clear AMI |
J7 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JC5 |
N/A |
|
|
CMOS memory normal operation |
S1 |
Open |
|
CMOS memory clear |
S1 |
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) 1M x 9 |
(4) 256K x 9 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
|
65MB |
(4) 256K x 9 |
(4) 16M x 9 |
|
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
|
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JS1 |
JS2 |
JS3 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JC1 |
JC2 |
JC3 |
JC4 |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
Open |
|
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
Closed |
|
CPU CLOCK SPEED CONFIGURATION | |
|
Speed |
JK1 |
|
25MHz |
pins 5 & 6 closed |
|
33MHz |
pins 1 & 2 closed |
|
40MHz |
pins 1 & 2, 5 & 6, 7 & 8 closed |
|
40MHz |
pins 1 & 2, 3 & 4 closed |
|
50iMHz |
pins 5 & 6, 7 & 8 closed |
|
50MHz |
pins 3 & 4 closed |
|
66MHz |
pins 3 & 4, 7 & 8 closed |
|
66iMHz |
pins 1 & 2, 7 & 8 closed |
|
80MHz |
pins 1 & 2, 3 & 4, 7 & 8 closed |
|
Power down |
Open |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JV3 |
|
0 wait states |
pins 2 & 3 closed |
|
1 wait state |
pins 1 & 2 closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JV2 |
|
<= 33MHz |
pins 2 & 3 closed |
|
> 33MHz |
pins 1 & 2 closed |
|
KEYBOARD CONFIGURATION | ||||||
|
Setting |
J3 |
JB1 |
JB2 |
JB3 |
JB4 |
JB5 |
|
Internal |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
External |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||