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 |