UNIDENTIFIED VEGA VS3486AIO-2VL Processor 80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor 20/25/33/40/50(internal)/50/66(internal) Speed Chip Set Symphony Max. onboard 32MB 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 Floppy drive interface FDC 32-bit VESA local S1 bus slot Game port GP 32-bit VESA local S2 bus slot IDE interface IDE Serial port 1 SC1 External battery J2 Serial port 2 SC2 Power LED & keylock KEYL Speaker SPKR Parallel port PC Turbo LED TLED Reset switch RSET Turbo switch TSW Note: A DS146818A must be installed and the DS1287 removed, to use an external battery. USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J3 pins 1 & 2 closed CMOS memory clear J3 pins 3 & 4 closed » Battery select internal JP2 Closed Battery select external JP2 Open BIOS type select regular (27C512) JP3 pins 1 & 2 closed BIOS type select flash (28F001BX) JP3 pins 2 & 3 closed » Factory configured - do not alter JP32 pins 2 & 3 closed Parallel port (PC) select IRQ5 W7 pins 1 & 2 closed Parallel port (PC) select IRQ7 W7 pins 2 & 3 closed » Serial port 2 (SC2) select IRQ3 W8 pins 1 & 2 closed Serial port 2 (SC2) select IRQ4 W8 pins 2 & 3 closed » Serial port 1 (SC1) select IRQ3 W11 pins 1 & 2 closed Serial port 1 (SC1) select IRQ4 W11 pins 2 & 3 closed » Floppy drive enabled W12 pins 1 & 2 closed Floppy drive disabled W12 pins 2 & 3 closed Note: J3 & JP2 will not function unless the DS1287 RTC is replaced with a DSA146818A RTC. SERIAL PORT 1 (SC1) CONFIGURATION COM I/O Address W1 W2 COM1 3F8h pins 1 & 2 pins 1 & 2 closed closed COM2 2F8h pins 1 & 2 pins 2 & 3 closed closed COM3 3E8h pins 2 & 3 pins 1 & 2 closed closed Disabled N/A pins 2 & 3 pins 2 & 3 closed closed SERIAL PORT 2 (SC2) CONFIGURATION COM I/O Address W3 W5 COM1 3F8h pins 1 & 2 pins 1 & 2 closed closed COM2 2F8h pins 1 & 2 pins 2 & 3 closed closed COM4 2E8h pins 2 & 3 pins 1 & 2 closed closed Disabled N/A pins 2 & 3 pins 2 & 3 closed closed PARALLEL PORT (PC) CONFIGURATION LPT I/O Address W6 W9 LPT1 378h pins 1 & 2 pins 1 & 2 closed closed LPT2 278h pins 1 & 2 pins 2 & 3 closed closed LPT3 3BCh pins 2 & 3 pins 1 & 2 closed closed Disabled N/A pins 2 & 3 pins 2 & 3 closed closed IDE INTERFACE CONFIGURATION Mode JA1 W4 W10 Enabled Closed Closed pins 1 & 2 closed Disabled Open Open 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 CACHE CONFIGURATION Size Max Cachable Cache TAG 64KB 8MB (8) 8K x 8 (1) 8K x 8 256KB 32MB (8) 32K x 8 (1) 32K x 8 1MB 64MB (8) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JP27 JP28 JP29 JP30 JP31 64KB pins 1 & pins 1 & pins 1 & pins 1 & pins 1 & 2 2 2 2 2 256KB pins 2 & pins 1 & pins 1 & pins 2 & pins 2 & 3 2 2 3 3 1024KB pins 2 & pins 2 & pins 2 & pins 2 & pins 2 & 3 3 3 3 3 Note:Pins designated should be in the closed position. CPU TYPE CONFIGURATION Jumper 80386DX 80486SX/80487SX 80486DX/DX2/ODP JP6 Open Closed Closed JP17 Closed Open Open JP18 pins 1 & 2 pins 2 & 3 closed pins 2 & 3 closed closed JP24 N/A pins 2 & 3 closed pins 1 & 2 closed JP25 N/A Open Closed JP26 N/A Open Closed JP33 pins 2 & 3 pins 1 & 2 closed pins 1 & 2 closed closed JP34 pins 2 & 3 pins 1 & 2 closed pins 1 & 2 closed closed JP35 pins 1 & 2 pins 2 & 3 closed pins 2 & 3 closed closed JP36 pins 1 & 2 pins 2 & 3 closed pins 2 & 3 closed closed JP37 pins 1 & 2 pins 2 & 3 closed pins 2 & 3 closed closed CPU SPEED CONFIGURATION Jumper 20MHz 25/50I 33/66I 40MHz 50MHz MHz MHz JP4 Closed Open Closed Open Open JP5 Closed Closed Open Open Closed JP7 pins 1 & pins 1 & pins 1 & pins 1 & pins 2 & 3 2 2 2 2 JP7A pins 1 & pins 1 & pins 1 & pins 1 & pins 2 & 3 2 2 2 2 JP8 pins 2 & pins 2 & pins 2 & pins 2 & pins 1 & 2 3 3 3 3 JP11 Open Open Open Open Closed JP12 Open Open Open Open Closed JP13 Open Open Open Open Closed JP14 Open Open Open Open Closed Note:Pins designated should be in the closed position. VESA CPU TYPE (ID0 & ID1) CONFIGURATION CPU Type JP9 (ID0) JP10 (ID1) 80386 Closed Open 80486 Open Closed VESA WAIT STATE (ID2) CONFIGURATION Wait states CPU speed JP16 (ID2) 0 wait states £ 33MHz Open 1 wait state > 33MHz Closed VESA BUS SPEED (ID3) CONFIGURATION CPU speed JP15 (ID3) £ 33MHz Open > 33MHz Closed