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.  | |||||