YOUNG MICRO SYSTEMS, INC. VEGA 3486AIO-2VL Processor 80386DX/80486SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set Symphony Max. Onboard 64MB DRAM Cache 64/256/1024KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), floppy drive interface, game port, IDE interface, parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Speaker CN1 Game interface J19 Power LED & keylock CN2 Parallel port J20 Reset switch CN3 IDE interface J21 Turbo LED CN4 Serial port 1 J22 Turbo switch CN5 Serial port 2 J23 External battery J2 32-bit VESA Local bus SL1 & SL2 slots Floppy drive J18 interface USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J3 pins 1 & 2 closed CMOS memory clear J3 pins 2 & 3 closed » IDE interface enabled JA1 Closed IDE interface disabled JA1 Open » Battery type select internal JP2 Closed Battery type select external JP2 Open » BIOS type select Flash JP3 pins 1 & 2 closed BIOS type select normal JP3 pins 2 & 3 closed » Cache wait state select 1 wait JP11 Open state Cache wait state select 0 wait JP11 Closed states » VESA sample select T2 JP12 Open VESA sample select T3 JP12 Closed » Cache burst select <=33MHz JP13 Open Cache burst select >33MHz JP13 Closed » Factory configured - do not JP32 pins 2 & 3 alter closed » Parallel port IRQ select IRQ5 W7 pins 1 & 2 closed Parallel port IRQ select IRQ7 W7 pins 2 & 3 closed » Floppy drive interface enabled W12 pins 1 & 2 closed Floppy drive interface disabled W12 pins 2 & 3 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 5MB (4) 256K x 9 (4) 1M 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 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE CACHE CONFIGURATION Size Bank 0 64KB (8) 8K x 8 256KB (8) 32K x 8 1MB (8) 128K x 8 CACHE JUMPER CONFIGURATION Size JP27 JP28 JP29 JP30 JP31 64KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 256KB 2 & 3 1 & 2 2 & 3 1 & 2 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 Type JP6 JP9 JP10 JP17 JP18 JP33 JP34 JP35 JP36 JP37 80386 Open Open Closed Closed 1 & 1 & 1 & 2 & 2 & 2 & 2 2 2 3 3 3 80486 Closed Closed Open Open 2 & 2 & 2 & 1 & 1 & 1 & 3 3 3 2 2 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP24 JP25 JP26 80486SX pins 2 & 3 Open Open closed 80486DX pins 1 & 2 Closed Closed closed CPU SPEED CONFIGURATION Type JP4 JP5 25MHz Open Closed 33MHz Closed Open 40MHz Open Open 50MHz Open Closed 50iMHz Open Closed 66iMHz Closed Open SERIAL PORT 1 CONFIGURATION Port 1 W1 W2 COM1 (3F8) pins 1 & 2 closed pins 1 & 2 closed COM2 (2F8) pins 1 & 2 closed pins 2 & 3 closed COM3 (2E8) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 2 CONFIGURATION Port 2 W3 W5 COM1 (3F8) pins 1 & 2 closed pins 1 & 2 closed COM2 (2F8) pins 1 & 2 closed pins 2 & 3 closed COM4 (2E8) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 INTERRUPT CONFIGURATION Port 1 W11 IRQ3 pins 1 & 2 closed IRQ4 pins 2 & 3 closed SERIAL PORT 2 INTERRUPT CONFIGURATION Port 2 W8 IRQ4 pins 1 & 2 closed IRQ3 pins 2 & 3 closed PARALLEL PORT CONFIGURATION Port 1 W6 W9 LPT1 (378) pins 1 & 2 closed pins 1 & 2 closed LPT2 (278) pins 1 & 2 closed pins 2 & 3 closed LPT3 (3BC) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed IDE INTERFACE CONFIGURATION Setting W4 W10 Enabled Closed pins 1 & 2 closed Disabled Open pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP15 <=33MHz Closed > 33MHz Open VESA WAIT STATE CONFIGURATION Wait states JP16 0 wait states Closed 1 wait state Open PHASE CONFIGURATION Setting JP8 JP14 1X pins 2 & 3 closed Closed 2X pins 1 & 2 closed Open VESA PHASE CONFIGURATION Setting JP7 JP7A 1X pins 2 & 3 closed pins 2 & 3 closed 2X pins 1 & 2 closed pins 1 & 2 closed