ADDTECH RESEARCH, INC. GALAXY II 486 VER. 1.0 Processor CX486S2/80486SX/CX486DX/AMD486DX/80486DX/80486DX2/80486DX4/ Pentium Overdrive Processor 25/33/40I/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Cypress Max. 128MB Onboard DRAM Cache 128/256/512/1024KB BIOS AMI/Award Dimensions 330mm x 218mm I/O 32-bit PCI bus slots (4), 32-bit VESA local bus slots (2) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery JP1 Reset switch JP59 Turbo switch JP49 Speaker JP60 Turbo LED JP50 32-bit PCI bus slots P0 - P3 Power LED & keylock JP57 32-bit VESA Local SL1 & SL2 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP2 pins 1 & 2 closed CMOS memory clear JP2 pins 2 & 3 closed » Flash memory disabled JP3 Open Flash memory voltage select 5v JP3 pins 1 & 2 closed Flash memory voltage select 12v JP3 pins 2 & 3 closed » SIMM type select single bank JP4 pins 1 & 2 closed SIMM type select double bank JP4 pins 2 & 3 closed » Factory configured - do not JP9 N/A alter » Factory configured - do not JP10 Open alter » CPU type select Intel/AMD JP27 pins 1 & 2 closed CPU type select Cyrix JP27 pins 2 & 3 closed » Factory configured - do not JP32 pins 2 & 3 alter closed » Factory configured - do not JP34 N/A alter » Factory configured - do not JP35 pins 2 & 3 alter closed » CPU clock delay select 1 delay JP36 pins 2 & 3 closed CPU clock delay select 0 delay JP36 pins 1 & 2 closed » Factory configured - do not JP42 N/A alter » Factory configured - do not JP51 N/A alter » Monitor type select color JP55 Open Monitor type select monochrome JP55 Closed » Factory configured - do not JP58 N/A alter 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 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 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 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 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 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 DRAM CONFIGURATION (CON’T) 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 16MB x NONE NONE NONE 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 16MB x (1) 16MB x NONE NONE 36 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (4) 64K x 8 NONE (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JP18 JP19 JP20 128KB Open pins 2 & 3 pins 1 & 2 closed closed 256KB Open pins 1 & 2 pins 1 & 2 closed closed 256KB Open pins 2 & 3 pins 1 & 2 closed closed 512KB Open pins 2 & 3 pins 2 & 3 closed closed 512KB pins 1 & 2 Open pins 2 & 3 closed closed 1MB pins 2 & 3 Open pins 2 & 3 closed closed CPU TYPE CONFIGURATION Type JP26 JP40 JP41 JP43 JP44 80486SX Open 1 & 3, Open Open 1 & 2 2 & 4 CX486S2 Open 1 & 3, Closed 2 & 3 2 & 3 2 & 4 CX486DX Open 1 & 3, Open Open 1 & 2 2 & 4 80486DX/DX2 Open 1 & 3, Open Open 1 & 2 2 & 4 80486DX4 Closed 3 & 5, Open Open 1 & 2 4 & 6 Pentium Open 1 & 3, Open 1 & 2 2 & 3 Overdrive 2 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP45 JP46 JP47 JP48 JP54 80486SX Open Open Open 2 & 3 Open CX486S2 3 & 4 4 & 5 Open 2 & 3 Closed CX486DX Open Open 2 & 3 1 & 2, Open 3 & 4 80486DX/DX2 Open Open 2 & 3 1 & 2, Open 3 & 4 80486DX4 Open Open 2 & 3 1 & 2, Open 3 & 4 Pentium 1 & 2, 1 & 2 2 & 3 1 & 2, Open Overdrive 3 & 4 3 & 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP15 JP25 JP28 JP29 25MHz Closed Open pins 1 & 2 pins 2 & 3 closed closed 33MHz Open Open pins 2 & 3 pins 1 & 2 closed closed 40MHz Open Closed pins 1 & 2 pins 2 & 3 closed closed 50iMHz Closed Open pins 1 & 2 pins 2 & 3 closed closed 66iMHz Open Open pins 2 & 3 pins 1 & 2 closed closed 75iMHz Closed Open pins 1 & 2 pins 2 & 3 closed closed 100iMHz Open Open pins 2 & 3 pins 1 & 2 closed closed VESA BUS SPEED CONFIGURATION Speed JP52 JP53 JP56 25MHz Open Open pins 2 & 3 closed 33MHz Open Open pins 2 & 3 closed 40MHz Closed Closed pins 1 & 2 closed PCI MODE CONFIGURATION Mode JP11 JP30 JP31 JP33 Synchronous Open pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed Asynchronous Closed pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed PCI IRQ CONFIGURATION PCI JP21A(IRQ9) JP21B JP21C JP21D JP21E slot (IRQ10) (IRQ11) (IRQ12) (IRQ15) P0 & 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 P1 P2 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. Slots P0 & P1 are PCI compliant and slot P2 is non PCI compliant. PCI IRQ CONFIGURATION PCI slot JP21F (IRQ14) P3 (PCI compliant) Closed P3 (non PCI compliant) Open Note: This setting is used only for cards that require the use of IRQ14.