QDI COMPUTER, INC.
US486 P3
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Maximum Onboard Memory |
128MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
250mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
External battery |
J2 |
Speaker |
JP12 |
|
Reset switch |
JP9 |
Power LED & keylock |
JP13 |
|
Turbo switch |
JP10 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Turbo LED |
JP11 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
» |
Jumper information unavailable |
JP4 |
N/A |
|
DRAM | ||
|
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 |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
None |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE SIZE | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
None |
(1) 8K x 8 |
|
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 | ||||
|
Size |
JP1 |
JP2 |
JP3 |
JP5 |
|
32KB |
Open |
Open |
Open |
Open |
|
64KB |
Closed |
Open |
Open |
Open |
|
128KB |
Closed |
Closed |
Open |
Pins 2 & 3 closed |
|
256KB |
Closed |
Closed |
Closed |
Pins 1 & 2 closed |
|
CPU TYPE | ||||
|
Setting |
JP6 |
JP7 |
JP8 |
JP14 |
|
80486SX |
2 & 3 |
Open |
Open |
1 & 2 |
|
80487SX |
1 & 2, 3 & 4 |
1 & 2 |
Open |
1 & 2 |
|
80486DX-25/33 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
1 & 2 |
|
80486DX-40/50 |
1 & 2, 3 & 4 |
2 & 3 |
Closed |
2 & 3 |
|
80486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU SPEED | |||
|
Setting |
JP15 |
JP16 |
JP17 |
|
25MHz |
Open |
Open |
Closed |
|
33MHz |
Closed |
Open |
Open |
|
40MHz |
Closed |
Closed |
Open |
|
50iMHz |
Open |
Open |
Closed |
|
50MHz |
Open |
Closed |
Open |
|
66iMHz |
Closed |
Open |
Open |