AMERICAN MEGATRENDS, INC. SUPER VOYAGER VLB-III ISA Processor 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set AMI Max. 128MB Onboard DRAM Cache 64/256KB BIOS AMI Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), floppy drive interface, green Options PC connector, IDE interface, parallel port, PS/2 mouse interface, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse interface J1 Speaker J27 IDE interface LED J2 Power LED & keylock J31 Green PC connector J3 Reset switch J32 (power) Parallel port J5 Turbo switch J33 Floppy drive J8 Password LED J38 interface IDE interface J9 Turbo LED J40 External battery J10 Green PC connector J47 (monitor) Serial port 1 J13 32-bit VESA local SL1 & SL2 bus slots Serial port 2 J14 Note: The locations of J2 & J3 are unidentified. USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J11 Open alter » Factory configured - do not J12 Open alter » Factory configured - do not J18 Open alter » Factory configured - do not J15 Open alter » Parallel port IRQ select IRQ7 J22 pins 1 & 2 closed Parallel port IRQ select IRQ5 J22 pins 2 & 3 closed » Factory configured - do not J26 Open alter » Serial port 2 IRQ select IRQ3 J28 pins 1 & 2 closed Serial port 2 IRQ select IRQ4 J28 pins 2 & 3 closed » Serial port 1 IRQ select IRQ4 J29 pins 1 & 2 closed Serial port 1 IRQ select IRQ3 J29 pins 2 & 3 closed » On board mouse enabled J30 pins 1 & 2 closed On board mouse disabled J30 pins 2 & 3 closed » Password LED is used on front J39 pins 1 & 2 panel closed Password LED using J38 J39 pins 2 & 3 closed » CPU type select PGA J42 pins 1 & 2 closed CPU type select PQFP J42 pins 2 & 3 closed » CMOS memory normal operation J48 pins 1 & 2 closed CMOS memory clear J48 pins 2 & 3 closed » BIOS type select 27256 J51 pins 1 & 2 closed BIOS type select 27512 J51 pins 2 & 3 closed Note: The locations of J26 & J39 are unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 256K x (1) 256K x (1) 512K x NONE 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 6MB (1) 512K x (1) 1M x 36 NONE NONE 36 8MB (1) 256K x (1) 256K x (1) 512K x (1) 1M x 36 36 36 36 8MB (1) 512K x (1) 512K x (1) 1M x 36 NONE 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 18MB (1) 512K x (1) 4M x 36 NONE NONE 36 20MB (1) 512K x (1) 512K x (1) 4M x 36 NONE 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 4M x 36 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 1M x 36 (1) 8M x 36 NONE NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M 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 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 65MB (1) 256K x (1) 16M x 36 NONE NONE 36 68MB (1) 1M x 36 (1) 16M x 36 NONE NONE 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE 72MB (1) 1M x 36 (1) 1M x 36 (1) 16M x NONE 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 4M x 36 (1) 16M x 36 NONE NONE 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB (1) 4M x 36 (1) 4M x 36 (1) 16M x NONE 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 CACHE JUMPER CONFIGURATION Size SW1/1 SW1/2 SW1/3 SW1/4 64KB Off Off Off Off 256KB On On On On CPU TYPE CONFIGURATION Type J19 J37 J43 J54 80486SX 1 & 2, 3 Open Open N/A & 4 80487SX 1 & 2, 3 Open Open 2 & 3 & 4 80486DX/DX2 1 & 2, 3 Open Open 1 & 2 & 4 80486DX4 (2x) 2 & 3 1 & 2 Open 1 & 2 80486DX4 (2.5x) 2 & 3 2 & 3 Open 1 & 2 80486DX4 (3x) 2 & 3 Open Open 1 & 2 P23T 1 & 2, 3 Open Open 2 & 3 & 4 P4S, P23S, P24S 2 & 3 Open Open 1 & 2 P24CT 3 & 4 Open Closed 2 & 3 P24D 3 & 4 Open Closed 1 & 2 Pentium Overdrive 3 & 4 Open Closed 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON'T) Type J55 J56 J57 80486SX 2 & 3 Open 1 & 2, 3 & 4, 5 & 6 80487SX 1 & 2, 3 & 4 Open 1 & 2, 3 & 4, 5 & 6 80486DX/DX2 1 & 2, 3 & 4 Open 1 & 2, 3 & 4, 5 & 6 80486DX4 (2x) 1 & 2, 3 & 4 1 & 2, 3 & 4, Open 5 & 6 80486DX4 (2.5x) 1 & 2, 3 & 4 1 & 2, 3 & 4, Open 5 & 6 80486DX4 (3x) 1 & 2, 3 & 4 1 & 2, 3 & 4, Open 5 & 6 P23T 1 & 2, 3 & 4 Open 1 & 2, 3 & 4, 5 & 6 P4S, P23S, P24S 1 & 2, 3 & 4 Open 1 & 2, 3 & 4, 5 & 6 P24CT 1 & 2, 3 & 4 1 & 2, 3 & 4, Open 5 & 6 P24D 1 & 2, 3 & 4 1 & 2, 3 & 4, 1 & 2, 3 & 4, 5 5 & 6 & 6 Pentium Overdrive 1 & 2, 3 & 4 Open 1 & 2, 3 & 4, 5 & 6 Note: Pins designated should be in the closed position. VESA SPEED (ID2 & ID3) CONFIGURATION Speed J16 (ID3) J17 (iD2) 25MHz pins 1 & 2 closed pins 1 & 2 closed 33MHz pins 1 & 2 closed pins 1 & 2 closed 40MHz pins 2 & 3 closed pins 2 & 3 closed 50iMHz pins 1 & 2 closed pins 1 & 2 closed 50MHz pins 2 & 3 closed pins 2 & 3 closed 66iMHz pins 1 & 2 closed pins 1 & 2 closed 75iMHz pins 1 & 2 closed pins 1 & 2 closed 100iMHz pins 2 & 3 closed pins 2 & 3 closed DMA CONFIGURATION DMA J41 J44 None Open Open DRQ0 pins 1 & 2 closed pins 1 & 2 closed DRQ1 pins 3 & 4 closed pins 3 & 4 closed DRQ3 pins 5 & 6 closed pins 5 & 6 closed