UNIDENTIFIED
2VLG-A486B
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 | 80MB |
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 0/1 | Bank 0/1 | Bank 1 |
1MB | (4) 256K x 9 | NONE | NONE |
1MB | NONE | (1) 256K x 36 | NONE |
2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
4MB | (4) 1M x 9 | NONE | NONE |
4MB | NONE | (1) 1M x 36 | NONE |
5MB | (4) 256K x 9 | NONE | (1) 1M x 36 |
5MB | NONE | (1) 1M x 36 | (1) 256K x 36 |
8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
16MB | (4) 4M x 9 | NONE | NONE |
16MB | NONE | (1) 4M x 36 | NONE |
32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
80MB | (4) 16M x 9 | (1) 4M x 36 | NONE |
DRAM JUMPER CONFIGURATION | ||||
Size | JP39 | JP40 | JP41 | JP42 |
Bank 0 = 30-pin | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
Bank 1 = 72-pin | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
Bank 0 = Bank 0/1 72-pin | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
Bank 1 = 30-pin or Bank 1 72 pin | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position. |
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 (CON’T) | ||||||
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 (CON’T) | |||||
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 |