DIAMOND FLOWER, INC. G486VPB (Rev. 0+) Device Mainboard Type Processor 80486SX/80486DX/CX486DX/80486DX2/CX486DX2/ AM486DX2(SV8B)/AM486DX2(NV8T)/ST486DX2/80486DX4/ 80486DX4OverDrive/CX486DX4/AM486DX4(SV8B)/AM486DX4(NV8T)/AM5X86/AM5X86-P75/CX5X86/P24T Processor 25/33/40/50/63(internal)/66(internal)/80(internal)/83(internal)/ Speed 100(internal)/120(internal)/133(internal)MHz Chip Set VIA Maximum 128MB DRAM (EDO supported) Onboard Memory Cache 128/256/512KB BIOS Award I/O 32-bit PCI slots (4), floppy drive interface, IDE interface (2), parallel port, serial Options ports (2), PS/2 mouse connector, green PC connector Dimensions 220mm x 220mm [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 J1 Keylock J10 Serial port 2 J2 Speaker J11 External battery J3 Reset switch J12 connector Floppy drive J4 Turbo/green PC J13 interface connector Parallel port J5 Turbo LED J14 IDE interface 2 J6 Green PC LED J15 IDE interface 1 J7 32-bit PCI slots PCI1-4 IDE interface 2 LED J8 PS/2 mouse connector CN3 IDE interface 1 LED J9 USER CONFIGURABLE SETTINGS Function Label Position » Battery type select external JP3 Pins 1 & 2 closed Battery type select internal JP3 Pins 2 & 3 closed » 12V flash EPROM 28F010 JP5 Pins 1 & 2 closed 5V flash EPROM 29F010 or EPROM JP5 Pins 2 & 3 27C010 closed » CMOS memory normal operation JP22 Pins 1 & 2 closed CMOS memory clear JP22 Pins 2 & 3 closed » Factory configured - do not alter SW1/1 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 2MB (1) 512K x 36 None 3MB (1) 512K x 36 (1) 256K x 36 4MB (1) 512K x 36 (1) 512K x 36 4MB (1) 1M x 36 None 5MB (1) 1 M x 36 (1) 256K x 36 6MB (1) 1M x 36 (1) 512K x 36 8MB (1) 1M x 36 (1) 1M x 36 8MB (1) 2M x 36 None 9MB (1) 2M x 36 (1) 256K x 36 10MB (1) 2M x 36 (1) 512K x 36 12MB (1) 2M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 DRAM CONFIGURATION (CONT.) Size Bank 0 Bank 1 16MB (1) 4M x 36 None 17MB (1) 4M x 36 (1) 256K x 36 18MB (1) 4M x 36 (1) 512K x 36 20MB (1) 4M x 36 (1) 1M x 36 24MB (1) 4M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 32MB (1) 8M x 36 None 33MB (1) 8M x 36 (1) 256K x 36 34MB (1) 8M x 36 (1) 512K x 36 36MB (1) 8M x 36 (1) 1M x 36 40MB (1) 8M x 36 (1) 2M x 36 48MB (1) 8M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 64MB (1) 16M x 36 None 65MB (1) 16M x 36 (1) 256K x 36 66MB (1) 16M x 36 (1) 512K x 36 68MB (1) 16M x 36 (1) 1M x 36 72MB (1) 16M x 36 (1) 2M x 36 80MB (1) 16M x 36 (1) 4M x 36 96MB (1) 16M x 36 (1) 8M x 36 128MB (1) 16M x 36 (1) 16M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 16K x 8 256KB (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J10 J11 J12 J13 J14 128KB 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 256KB 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 512KB 1 & 2 1 & 2 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU EXTERNAL CLOCK SPEED SELECTION Speed JP15 JP17 JP19 25MHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 33MHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 40MHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 50MHz Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 50iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 63iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 66iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 80iMHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 83iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 100iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 120iMHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 133iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed CPU TYPE SELECTION Type JP6 JP18 JP20 JP25 JP26 JP27 80486SX 2 & 3 Open Open Open 2 & 3 2 & 3 80486DX/DX2 2 & 3 Open Open 1 & 2 1 & 2 1 & 2 80486DX4 2 &3 2 & 3 Open 1 & 2 1 & 2 1 & 2 80486DX4OverDrive 2 & 3 2 & 3 Open 2 & 3 1 & 2 1 & 2 Pentium OverDrive 2 & 3 2 & 3 Open 2 & 3 1 & 2 1 & 2 AM486DX2 SV8B 2 & 3 2 & 3 Open 1 & 2 1 & 2 1 & 2 AM486DX2 NV8T 2 & 3 2 & 3 Open 1 & 2 1 & 2 1 & 2 AM486DX4 SV8B 2 & 3 2 & 3 Open 1 & 2 1 & 2 1 & 2 AM486DX4 NV8T 2 & 3 2 & 3 Open 1 & 2 1 & 2 1 & 2 CX486DX 2 & 3 1 & 2 Open 1 & 2 1 & 2 1 & 2 CX486DX2 2 & 3 1 & 2 Open 1 & 2 1 & 2 1 & 2 CX486DX4 2 & 3 1 & 2 Open 1 & 2 1 & 2 1 & 2 ST486DX2 2 & 3 1 & 2 Open 1 & 2 1 & 2 1 & 2 AM5x86-P75 2 & 3 2 & 3 Open 1 & 2 1 & 2 1 & 2 CX5x86 2 & 3 1 & 2 Open 1 & 2 1 & 2 1 & 2 Note: Numbers designate pins that should be in the closed position. CPU TYPE SELECTION (CON’TW) Type JP28 JP29 JRN1 JRN2 JRN3 80486SX Open Open Open Closed Open 80486DX/DX2 Open Open Open Closed Open 80486DX4 Open Open Open Closed Open 80486DX4OverDrive Open Open Open Closed Open Pentium OverDrive Open Open Open Closed Open AM486DX2 SV8B Closed Open Open Closed Open AM486DX2 NV8T Open Closed Open Closed Open AM486DX4 SV8B Open Open Open Closed Open AM486DX4 NV8T Open Open Open Closed Open CX486DX Open Open Closed Open Open CX486DX2 Open Open Closed Open Open CX486DX4 Open Open Closed Open Open ST486DX2 Open Open Closed Open Open AM5x86-P75 Closed Open Open Closed Open CX5x86 Open Open Open Closed Open CPU VOLTAGE SELECTION Voltage JP21 JP23 JP24 3.45v Pins 1 & 2 closed Pins 2 & 3 closed Pins 2 & 3 closed 3.6v Pins 3 & 4 closed Pins 2 & 3 closed Pins 2 & 3 closed 4v Pins 5 & 6 closed Pins 2 & 3 closed Pins 2 & 3 closed 5v Open Pins 1 & 2 closed Pins 1 & 2 closed VL BUS SPEED SELECTION Speed JP4 JP8 » <= 33MHz Pins 1 & 2 closed Pins 1 & 2 closed >33 MHz Pins 2 & 3 closed Pins 2 & 3 closed DMA CHANNEL SELECTION Channel JP1 JP1 None Open Open 1 Pins 1 & 3 closed Pins 2 & 4 closed 3 Pins 3 & 5 closed Pins 4 & 6 closed PS/2 MOUSE SELECTION Setting JP2 JP31 » Disabled Pins 2 & 3 closed Closed Enabled Pins 1 & 2 closed Open