YOUNG MICRO SYSTEMS, INC.
VEGA 486 GREEN PC
|
Processor |
CX486SX/AMD80486SX/80486SX/CX487DX/AMD80486DX/80486DX 80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Symphony Wagner |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256/512/1024KB |
|
BIOS |
AMI/Phoenix |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), PS/2 mouse port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo LED |
J5 |
|
Speaker |
J2 |
PS/2 mouse port |
J6 |
|
Turbo switch |
J3 |
Power suspend |
JP15 |
|
Reset switch |
J4 |
32-bit VESA Local bus slots |
SL1, SL2,SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
J27 |
Open |
|
|
Factory configured - do not alter |
J28 |
Open |
|
|
Factory configured - do not alter |
J29 |
Open |
|
|
Factory configured - do not alter |
J30 |
Open |
|
|
Factory configured - do not alter |
J31 |
Open |
|
|
Factory configured - do not alter |
J32 |
Open |
|
|
Factory configured - do not alter |
J33 |
Open |
|
|
Factory configured - do not alter |
J34 |
Open |
|
|
Factory configured - do not alter |
JP3 |
Open |
|
|
Factory configured - do not alter |
JP9 |
Open |
|
|
Tag RAM separated |
JP16 |
pins 1 & 2 closed |
|
Tag RAM combined |
JP16 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP17 |
Open |
|
|
Flash BIOS write protect enabled |
JP18 |
pins 1 & 2 closed |
|
Flash BIOS write protect disabled |
JP18 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP19 |
Open |
|
|
Factory configured - do not alter |
JP22 |
Open |
|
|
Factory configured - do not alter |
JP28 |
Open |
|
|
Factory configured - do not alter |
JP29 |
Open |
|
|
Factory configured - do not alter |
JP30 |
Open |
|
|
Factory configured - do not alter |
JP31 |
Open |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U1) |
TAG (U2) |
|
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 |
|
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
(1) 128K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JD1 |
JD2 |
JT1 |
JT2 |
JT3 |
|
64KB |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
512KB |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION (CYRIX) | ||||||||
|
Type |
JP1 |
JP2 |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP10 |
|
486SX (1X) |
Open |
Open |
Open |
2 & 3 |
Closed |
1 & 2 |
Closed |
Open |
|
486SX (2X) |
Open |
Open |
Open |
2 & 3 |
Closed |
1 & 2 |
Closed |
Open |
|
487DX (1X) |
Open |
Open |
Open |
1 & 2 |
Closed |
1 & 2 |
Closed |
Open |
|
487DX (2X) |
Open |
Open |
Open |
1 & 2 |
Closed |
1 & 2 |
Closed |
Open |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION (CYRIX) | |||||||
|
Type |
JP11 |
JP12 |
JP13 |
JP23 |
JP24 |
JP41 |
JP42 |
|
486SX (1X) |
Open |
Open |
Closed |
Closed |
Closed |
Open |
Open |
|
486SX (2X) |
Open |
Closed |
Closed |
Closed |
Closed |
Open |
Open |
|
487DX (1X) |
1 & 2 |
Open |
Closed |
Closed |
Closed |
Open |
Open |
|
487DX (2X) |
1 & 2 |
Closed |
Closed |
Closed |
Closed |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION (AMD) | ||||||||
|
Type |
JP1 |
JP2 |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP10 |
|
486SX (WT) |
Open |
Closed |
Open |
2 & 3 |
Closed |
Open |
Open |
Open |
|
486SX (WB) |
Closed |
Closed |
Closed |
2 & 3 |
Closed |
Open |
Open |
Open |
|
486DX (WT) |
Open |
Closed |
Open |
2 & 3 |
Closed |
Open |
Open |
Open |
|
486DX (WB) |
Closed |
Closed |
Closed |
2 & 3 |
Closed |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION (AMD) | |||||||
|
Type |
JP11 |
JP12 |
JP13 |
JP23 |
JP24 |
JP41 |
JP42 |
|
486SX (WT) |
Open |
Open |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
|
486SX (WB) |
Open |
Open |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
|
486DX (WT) |
1 & 2 |
Open |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
|
486DX (WB) |
1 & 2 |
Open |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION (INTEL 486) | ||||||||
|
Type |
JP1 |
JP2 |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP10 |
|
486SX |
Open |
Open |
Open |
2 & 3 |
Closed |
Open |
Open |
Open |
|
486SL |
Open |
Closed |
Open |
1 & 2 |
Closed |
Open |
Open |
Open |
|
486DX/DX2 |
Open |
Open |
Open |
1 & 2 |
Closed |
Open |
Open |
Open |
|
486DX4 (2X) |
Open |
Closed |
Open |
1 & 2 |
Closed |
Open |
Open |
Open |
|
486DX4 (3X) |
Open |
Closed |
Open |
1 & 2 |
Closed |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION (INTEL 486) | |||||||
|
Type |
JP11 |
JP12 |
JP13 |
JP23 |
JP24 |
JP41 |
JP42 |
|
486SX |
Open |
Open |
Open |
Closed |
Closed |
Open |
Open |
|
486SL |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
Open |
|
486DX/DX2 |
1 & 2 |
Open |
Open |
Closed |
Closed |
Open |
Open |
|
486DX4 (2X) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
486DX4 (3X) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION (INTEL OVERDRIVE) | ||||||||
|
Type |
JP1 |
JP2 |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP10 |
|
Overdrive (2X-WT) |
Open |
Closed |
Open |
1 & 2 |
Open |
Open |
Open |
1 & 2 |
|
Overdrive (2X-WB) |
Closed |
Closed |
Closed |
1 & 2 |
Open |
Open |
Open |
1 & 2 |
|
Overdrive (3X-WT) |
Open |
Closed |
Open |
1 & 2 |
Open |
Open |
Open |
Open |
|
Overdrive (3X-WB) |
Closed |
Closed |
Closed |
1 & 2 |
Open |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION (INTEL OVERDRIVE) | |||||||
|
Type |
JP11 |
JP12 |
JP13 |
JP23 |
JP24 |
JP41 |
JP42 |
|
Overdrive (2X-WT) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
Overdrive (2X-WB) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
Overdrive (3X-WT) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
Overdrive (3X-WB) |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
RN1 |
RN2 |
|
CX 486SX |
Not installed |
Not installed |
|
CX 487DX |
Installed |
Not installed |
|
AMD 486SX |
Not installed |
Installed |
|
AMD 486DX |
Installed |
Installed |
|
Intel 486SX |
Not installed |
Not installed |
|
Intel 486SL |
Installed |
Installed |
|
Intel 486DX/DX2 |
Installed |
Not installed |
|
Intel 486DX4 |
Installed |
Installed |
|
Overdrive |
Installed |
Installed |
|
CPU SPEED CONFIGURATION | |||||
|
Speed |
JP20 |
JP21 |
JP25 |
JP26 |
JP27 |
|
25MHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
|
33MHz |
2 & 3 |
1 & 2 |
Open |
Open |
Closed |
|
40MHz |
2 & 3 |
2 & 3 |
Closed |
Closed |
Open |
|
50iMHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
|
50MHz |
2 & 3 |
2 & 3 |
Open |
Closed |
Open |
|
66iMHz |
2 & 3 |
1 & 2 |
Open |
Open |
Closed |
|
75iMHz |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
|
100iMHz |
2 & 3 |
2 & 3 |
Open |
Closed |
Open |
|
Note: Pins designated should be in the closed position. | |||||