QDI COMPUTER, INC.
VL/ISA-PB486P3
|
Processor |
80486SX/CX486DX/80486DX/SL80486DX/80486DX2/(SL)80486DX2/ AM486/80486DX4 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
|
Chip Set |
OPTI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J2 |
Reset switch |
S1 |
|
Speaker |
JP18 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Green PC connector |
JP21 |
Turbo LED |
TBLED |
|
Green PC connector |
JP32 |
Turbo switch |
TBSW |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Factory configured - do not alter |
JP12 |
Open |
|
» |
Factory configured - do not alter |
JP14 |
Pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP23 |
Open |
|
» |
CMOS memory normal operation |
JP26 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP26 |
Pins 1 & 2 closed | |
|
» |
Monitor type select color |
JP30 |
Closed |
|
Monitor type select monochrome |
JP30 |
Open | |
|
» |
Factory configured - do not alter |
JP37 |
Pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP44 |
Pins 2 & 3 closed |
|
» |
Factory configured - do not alter |
JP45 |
Pins 2 & 3 closed |
|
» |
Factory configured - do not alter |
JP46 |
Pins 2 & 3 closed |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(4) 256K x 9 |
None |
None |
|
2MB |
None |
(1) 512K x 36 |
None |
|
4MB (A) |
(4) 1M x 9 |
None |
None |
|
4MB (B) |
None |
(1) 1M x 36 |
None |
|
4MB (C) |
None |
(1) 512K x 36 |
(1) 512K x 36 |
|
6MB |
None |
(1) 512K x 36 |
(1) 1M x 36 |
|
8MB (A) |
(4) 1M x 9 |
None |
(1) 1M x 36 |
|
8MB (B) |
None |
(1) 2M x 36 |
None |
|
8MB (C) |
None |
(1) 1M x 36 |
(1) 1M x 36 |
|
10MB |
None |
(1) 512K x 36 |
(1) 2M x 36 |
|
12MB (A) |
(4) 1M x 9 |
None |
(1) 2M x 36 |
|
12MB (B) |
None |
(1) 1M x 36 |
(1) 2M x 36 |
|
16MB (A) |
(4) 4M x 9 |
None |
None |
|
16MB (B) |
None |
(1) 4M x 36 |
None |
|
16MB (C) |
None |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB (D) |
(4) 4M x 9 |
(1) 2M x 36 |
(1) 1M x 36 |
|
20MB (A) |
(4) 1M x 9 |
None |
(1) 4M x 36 |
|
20MB (A) |
None |
(1) 1M x 36 |
(1) 4M x 36 |
|
32MB (A) |
(4) 4M x 9 |
None |
(1) 4M x 36 |
|
32MB (B) |
None |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB (C) |
None |
(1) 8M x 36 |
None |
|
64MB (A) |
None |
(1) 8M x 36 |
(1) 8M x 36 |
|
64MB (B) |
(4) 4M x 9 |
(1) 8M x 36 |
(1) 4M x 36 |
|
Note: The location of banks 1 & 2 are unidentified. | |||
|
DRAM JUMPER CONFIGURATION | |
|
Size |
JP42 |
|
1MB |
Pins 1 & 2 closed |
|
2MB |
Pins 1 & 2 closed |
|
4MB (A) |
Pins 1 & 2 closed |
|
4MB (B) |
Pins 1 & 2 closed |
|
4MB (C) |
Pins 1 & 2 closed |
|
6MB |
Pins 1 & 2 closed |
|
8MB (A) |
Pins 1 & 2 closed |
|
8MB (B) |
Pins 1 & 2 closed |
|
8MB (C) |
Pins 1 & 2 closed |
|
10MB |
Pins 1 & 2 closed |
|
12MB (A) |
Pins 1 & 2 closed |
|
12MB (B) |
Pins 1 & 2 closed |
|
16MB (A) |
Pins 1 & 2 closed |
|
16MB (B) |
Pins 1 & 2 closed |
|
16MB (C) |
Pins 1 & 2 closed |
|
16MB (D) |
Pins 2 & 3 closed |
|
20MB (A) |
Pins 1 & 2 closed |
|
20MB (A) |
Pins 1 & 2 closed |
|
32MB (A) |
Pins 1 & 2 closed |
|
32MB (B) |
Pins 1 & 2 closed |
|
32MB (C) |
Pins 1 & 2 closed |
|
64MB (A) |
Pins 1 & 2 closed |
|
64MB (B) |
Pins 2 & 3 closed |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
None |
(1) 32K x 8 |
|
Note: The location of banks 0 & 1 and the TAG are unidentified. | |||
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP10 |
JP11 |
JP13 |
JP35 |
|
128KB |
Open |
Closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB |
Closed |
Closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
512KB |
Closed |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | ||
|
Speed |
JP38 |
JP39 |
|
25MHz |
Open |
Closed |
|
33MHz |
Closed |
Open |
|
40MHz |
Open |
Open |
|
50iMHz |
Open |
Closed |
|
50MHz |
Closed |
Closed |
|
66iMHz |
Closed |
Open |
|
75iMHz |
Open |
Closed |
|
80iMHz |
Open |
Open |
|
100iMHz |
Closed |
Open |
|
CPU TYPE SELECTION | |||||
|
Type |
JP3 |
JP4 |
JP5 |
JP6 |
JP7 |
|
80486SX |
Open |
Open |
Open |
1 & 2 |
Open |
|
SL80486SX |
Open |
Open |
Open |
1 & 2 |
Open |
|
CX486DX (1x) |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
Open |
|
CX486DX (2x) |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
Open |
|
80486DX |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Open |
|
SL80486DX |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Open |
|
80486DX2 |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Open |
|
AM486 3.3v (2x) |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
|
AM486 3.3v (3x) |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
|
80486DX4 |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION (CON’T) | |||||
|
Type |
JP8 |
JP9 |
JP22 |
JP24 |
JP25 |
|
80486SX |
2 & 3 |
Open |
1 & 2 |
Open |
Open |
|
SL80486SX |
2 & 3 |
Open |
1 & 2 |
Closed |
Closed |
|
CX486DX (1x) |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
CX486DX (2x) |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
80486DX |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
|
SL80486DX |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
|
80486DX2 |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
|
AM486 3.3v (2x) |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
|
AM486 3.3v (3x) |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
|
80486DX4 |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION (CON’T) | ||||
|
Type |
JP27 |
JP36 |
JP40 |
JP43 |
|
80486SX |
Open |
Pins 1 & 2 closed |
Open |
Open |
|
SL80486SX |
Open |
Pins 2 & 3 closed |
Open |
Open |
|
CX486DX (1x) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Open |
|
CX486DX (2x) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Open |
Open |
|
80486DX |
Open |
Pins 1 & 2 closed |
Open |
Open |
|
SL80486DX |
Open |
Pins 2 & 3 closed |
Open |
Open |
|
80486DX2 |
Open |
Pins 1 & 2 closed |
Open |
Open |
|
AM486 3.3v (2x) |
Open |
Pins 1 & 2 closed |
Open |
Open |
|
AM486 3.3v (3x) |
Open |
Pins 1 & 2 closed |
Open |
Open |
|
80486DX4 |
Open |
Pins 2 & 3 closed |
Closed |
Open |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP1 |
|
3.3v |
Open |
|
5v |
Closed |
|
VL BUS WAIT STATE SELECTION | ||
|
Setting |
JP33 | |
| » |
0 |
Open |
|
1 |
Closed | |
|
VL BUS SPEED SELECTION | ||
|
Speed |
JP34 | |
| » |
<= 33MHz |
Open |
|
>33 MHz |
Closed | |