UNIDENTIFIED
4386-VC-V
|
Processor |
80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
VIA |
|
Max. Onboard DRAM |
64/128MB (depends on CPU installed) |
|
Cache |
32/64/128/256KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
J6 |
Speaker |
J9 |
|
Turbo switch |
J7 |
Power LED & keylock |
J10 |
|
Reset switch |
J8 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select monochrome/EGA/VGA |
J1 |
Open |
|
Monitor type select color |
J1 |
Closed | |
|
|
CMOS memory normal operation |
J2 |
Open |
|
CMOS memory clear |
J2 |
Closed | |
|
|
Factory configured - do not alter |
JC5 |
N/A |
|
|
Factory configured - do not alter |
JC6 |
N/A |
|
|
Factory configured - do not alter |
JK1 |
N/A |
|
|
NPU synchronous with CPU |
JN1 |
pins 1 & 2 closed |
|
NPU asynchronous with CPU |
JN1 |
pins 2 & 3 closed | |
|
Note: The location of J1 & J2 are unidentified. | |||
|
DRAM CONFIGURATION (80386) | ||
|
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 |
|
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) 256K x 9 |
(4) 4M x 9 |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M 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 |
|
DRAM CONFIGURATION (80486) | ||
|
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 |
|
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) 256K x 9 |
(4) 4M x 9 |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M 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 |
|
65MB |
(4) 256K x 9 |
(4) 16M x 9 |
|
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
|
DRAM CONFIGURATION (80486 CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
|
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
|
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG 0 |
TAG 1 |
|
32KB |
(4) 8K x 8 |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
Note: TAG 1 is alter RAM and may not be present. | ||||
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JS1 |
JS2 |
JS3 |
JS4 |
JS5 |
JS6 |
|
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
64KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION | ||||||
|
Type |
JI0 |
JI1 |
JI2 |
JI3 |
JI4 |
JI5 |
|
80386DX |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
80486SX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80487SX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
CX486DLC |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
80486DX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins desingated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION (CONT) | ||||||
|
Type |
JI6 |
JI7 |
JC1 |
JC2 |
JC3 |
JC4 |
|
80386DX |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
80486SX |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
Open |
Open |
|
80487SX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
|
CX486DLC |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4, 5 & 6 |
|
80486DX |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
Note: Pins desingated should be in the closed position. | ||||||
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JK2 |
JK3 |
JK4 |
|
20MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
25MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
33MHz (80386 & CX486) |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
33MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
40MHz (80386 & CX486) |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
50iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
50MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
66iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JV2 |
|
0 wait states |
pins 1 & 2 closed |
|
1 wait state |
pins 2 & 3 closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JV1 |
|
<= 33MHz |
pins 1 & 2 closed |
|
> 33MHz |
pins 2 & 3 closed |