UNIDENTIFIED
2VLG-A486A
Processor |
CX486M6/80486SX/SL80486SX/80487SX/CX486M7/AM486DXL/80486DX/ SL80486DX2/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
128MB |
Cache |
32/64/128/256KB |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Modem ring in signal interface |
JG8 |
Speaker |
JP17 |
Green PC connector |
JG9 |
Turbo switch |
JP18 |
Green PC connector (monitor) |
JG11 pins 5 & 6 |
Turbo LED |
JP19 |
Green PC connector (fan) |
JG11 pins 7 & 8 |
Reset switch |
JP20 |
External battery |
JP1 |
32-bit VESA local bus slots |
SL1 & SL2 |
Power LED & keylock |
JP16 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CX487S not installed |
J2 |
pins 2 & 3 closed |
CX487S installed |
J2 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
JP6 |
pins 1 & 2 closed |
Monitor type select color |
JP6 |
pins 2 & 3 closed | |
|
CMOS memory normal operation |
JP33 |
Open |
CMOS memory clear |
JP33 |
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 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
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 CONFIGURATION | |||
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) 16K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JG19 |
JG20 |
JP11 |
JP12 |
JP13 |
JP31 |
32KB |
1 & 2 |
Closed |
Open |
2 & 3 |
2 & 3 |
Open |
64KB |
1 & 2 |
Closed |
Open |
1 & 2 |
1 & 2 |
Closed |
128KB |
1 & 2 |
Closed |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
Closed |
256KB |
2 & 3 |
Open |
1 & 2, 3 & 4, 5 & 6 |
1 & 2 |
1 & 2 |
Closed |
256KB |
1 & 2 |
Closed |
1 & 2, 3 & 4, 5 & 6 |
1 & 2 |
1 & 2 |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||||
Type |
JG1 |
JG2 |
JG3 |
JG4 |
JG5 |
CX486M6 1x |
Closed |
Open |
1 & 2 |
2 & 4 |
2 & 4 |
CX486M6 2x |
Closed |
Open |
1 & 2 |
2 & 4 |
2 & 4 |
80486SX |
Open |
Open |
Open |
Open |
Open |
SL80486SX |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
80487SX |
Open |
Open |
Open |
Open |
Open |
CX486M7 1x |
Closed |
Open |
1 & 2 |
2 & 4 |
2 & 4 |
CX486M7 2x |
Closed |
Open |
1 & 2 |
2 & 4 |
2 & 4 |
AM486DXL |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
80486DX |
Open |
Open |
Open |
Open |
Open |
SL80486DX |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
80486DX2 |
Open |
Open |
Open |
Open |
Open |
SL80486DX2 |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
P24T |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | ||||||
Type |
JG6 |
JP8 |
JP9 |
JP10 |
JP21 |
JP22 |
CX486M6 1x |
Open |
Closed |
Open |
Closed |
3 & 4 |
Open |
CX486M6 2x |
Closed |
Closed |
Open |
Closed |
3 & 4 |
Open |
80486SX |
Open |
Closed |
Closed |
Open |
3 & 4 |
Closed |
SL80486SX |
Open |
Closed |
Closed |
Open |
3 & 4 |
Closed |
80487SX |
Open |
Closed |
Closed |
Open |
1 & 2 |
Closed |
CX486M7 1x |
Open |
Closed |
Open |
Open |
2 & 3 |
Closed |
CX486M7 2x |
Closed |
Closed |
Open |
Open |
2 & 3 |
Closed |
AM486DXL |
Open |
Closed |
Closed |
Open |
2 & 3 |
Closed |
80486DX |
Open |
Closed |
Closed |
Open |
2 & 3 |
Closed |
SL80486DX |
Open |
Closed |
Closed |
Open |
2 & 3 |
Closed |
80486DX2 |
Open |
Closed |
Closed |
Open |
2 & 3 |
Closed |
SL80486DX2 |
Open |
Closed |
Closed |
Open |
2 & 3 |
Closed |
P24T |
Open |
Open |
Closed |
Open |
1 & 2 |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP23 |
JP24 |
JP26 |
JP27 |
JP30 |
CX486M6 1x |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
CX486M6 2x |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
80486SX |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
SL80486SX |
Closed |
1 & 2 |
2 & 3 |
1 & 2 |
Open |
80487SX |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
CX486M7 1x |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
Closed |
CX486M7 2x |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
Closed |
AM486DXL |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Closed |
80486DX |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
SL80486DX |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
80486DX2 |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
SL80486DX2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
P24T |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Closed |
Note: Pins designated should be in the closed position. |
CPU SMI CONFIGURATION | |
Type |
JG12 |
Cyrix |
pins 5 & 6 closed |
Texas Instruments |
pins 1 & 2, 5 & 6 closed |
AMD |
pins 3 & 4 closed |
Intel S-series |
pins 1 & 2 closed |
Intel |
Open |
CPU SPEED CONFIGURATION | ||||
Speed |
JG13 |
JP7 |
JP15 |
JP32 |
25MHz |
1 & 2, 5 & 6 |
1 & 2 |
2 & 3 |
2 & 3 |
33MHz |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
2 & 3 |
40MHz |
3 & 4, 5 & 6 |
2 & 3 |
1 & 2 |
1 & 2 |
50iMHz |
1 & 2, 5 & 6 |
1 & 2 |
2 & 3 |
2 & 3 |
50MHz |
1 & 2, 5 & 6 |
2 & 3 |
1 & 2 |
1 & 2 |
66iMHz |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
BUS SPEED CONFIGURATION | ||
CPU speed |
JP28 |
JP29 |
<= 33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |