DIAMOND FLOWER, INC. G486VPA (REV. 0/REV. A) Device Mainboard Type Processor CX 486DX/CX 486DX2/UMC U5SD/AM 486DX2/AM 486DX4/80486WB/ 80486SX/80486DX/80486DX2/80486DX4/ 80486DX4ODP/P24T Processor 25/33/40/50(internal)/50/63(internal)/66(internal)/80(internal)/ Speed 83(internal)/100(internal)MHz Chip Set VIA Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 128/256/512/1024KB BIOS Award Dimensions 280mm x 220mm I/O 32-bit PCI slots (4), floppy drive interface, green PC Options connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse interface CN3 Power LED & keylock J9 Serial port 1 J1 Speaker J10 Serial port 2 J2 Reset switch J11 Parallel port J3 Green PC connector J12 IDE interface 2 J4 Turbo LED J13 Floppy drive interface J5 Green PC LED J14 IDE interface 1 J6 External battery JP3 IDE interface LED 1 J7 Chassis fan power JP40 IDE interface LED 2 J8 32-bit PCI slots PC1 - PC4 USER CONFIGURABLE SETTINGS Function Label Position » Battery type select external JP1 Pins 1 & 2 closed Battery type select internal JP1 Pins 2 & 3 closed » CMOS memory normal operation JP2 Pins 1 & 2 closed CMOS memory clear JP2 Pins 2 & 3 closed » Flash BIOS voltage select 12v JP4 Pins 1 & 2 closed Flash BIOS voltage select 5v JP4 Pins 2 & 3 closed » Factory configured - do not alter JP8 Open » Factory configured - do not alter JP12 Pins 1 & 2 closed » PS/2 mouse disabled JP16 Pins 2 & 3 closed PS/2 mouse enabled JP16 Pins 1 & 2 closed » Factory configured - do not alter JP17 Pins 1 & 2 closed » Factory configured - do not alter JP20 Pins 1 & 2 closed » Factory configured - do not alter JP25 Pins 1 & 2 closed » Factory configured - do not alter JP27 Open » High address decode setting A27 & JP28 Pins 1 & 2 A31 enabled closed High address decode setting A27 & JP28 Pins 2 & 3 A31 disabled closed » VL-Bus write one wait state JP30 Pins 1 & 2 closed VL-Bus write zero wait state JP30 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 2MB (1) 512K x None None None 36 2MB (1) 256K x (1) 256K x None None 36 36 3MB (1) 512K x (1) 256K x None None 36 36 3MB (1) 256K x (1) 256K x (1) 256K x None 36 36 36 4MB (1) 1M x 36 None None None 4MB (1) 512K x (1) 256K x (1) 256K x None 36 36 36 4MB (1) 512K x (1) 512K x None None 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 1M x 36 (1) 256K x None None 36 5MB (1) 512K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x None 36 36 6MB (1) 1M x 36 (1) 512K x None None 36 6MB (1) 512K x (1) 512K x (1) 512K x None 36 36 36 8MB (1) 2M x 36 None None None 8MB (1) 1M x 36 (1) 512K x (1) 512K x None 36 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 9MB (1) 2M x 36 (1) 256K x None None 36 10MB (1) 2M x 36 (1) 256K x (1) 256K x None 36 36 10MB (1) 2M x 36 (1) 512K x None None 36 10MB (1) 1M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 12MB (1) 2M x 36 (1) 512K x (1) 512K x None 36 36 12MB (1) 2M x 36 (1) 1M x 36 None None 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 4M x 36 None None None 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 4M x 36 (1) 256K x None None 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x None 36 36 18MB (1) 4M x 36 (1) 512K x None None 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 512K x (1) 512K x None 36 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 20MB (1) 4M x 36 (1) 1M x 36 None None 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 22MB (1) 4M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 None 24MB (1) 4M x 36 (1) 2M x 36 None None 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 8M x 36 None None None 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 33MB (1) 8M x 36 (1) 256K x None None 36 34MB (1) 8M x 36 (1) 256K x (1) 256K x None 36 36 34MB (1) 8M x 36 (1) 512K x None None 36 35MB (1) 8M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 36MB (1) 8M x 36 (1) 512K x (1) 512K x None 36 36 36MB (1) 8M x 36 (1) 1M x 36 None None 38MB (1) 8M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 40MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 None 40MB (1) 8M x 36 (1) 2M x 36 None None 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 44MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 None 48MB (1) 8M x 36 (1) 4M x 36 None None 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 56MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 64MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 None 64MB (1) 8M 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 80MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 100MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 104MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 112MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 None (1) 8K x 8 256KB (A) (4) 64K x 8 None (1) 32K x 8 256KB (B) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (A) (4) 128K x 8 None (1) 32K x 8 512KB (B) (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K/128K x 8 CACHE JUMPER CONFIGURATION Size JP22 JP23 JP24 JP37 JP38 JP39 128KB 1 & 2 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 256KB 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 (A) 256KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 (B) 512KB 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 (A) 512KB 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 (B) 1MB 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION Speed JP18 JP19 JP21 25MHz Pins 1 & 2 Pins 2 & 3 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 50iMHz Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed 50MHz Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed 63iMHz Pins 1 & 2 Pins 2 & 3 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 1 & 2 Pins 1 & 2 closed closed closed CPU TYPE SELECTION (CYRIX) Type JP14 JP26 JP33 JP34 JP35 486DX 1 & 2 1 & 2 Open 1 & 2 1 & 2 486DX2 1 & 2 1 & 2 Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CYRIX, CON’T) Type JP36 JP42 JRN1 JRN2 JRN3 486DX 1 & 2 Open Not Not Installed installed installed 486DX2 1 & 2 Open Not Not Installed installed installed Note: Pins designated should be in the closed position. CPU TYPE SELECTION (UMC) Type JP14 JP26 JP33 JP34 JP35 U5S 1 & 2 Open Open 2 & 3 Open U5SLV 1 & 2 Open Open 2 & 3 Open U5SD 1 & 2 Open Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (UMC, CON’T) Type JP36 JP42 JRN1 JRN2 JRN3 U5S 2 & 3 Open Not Installed Not installed installed U5SLV 2 & 3 Open Not Installed Not installed installed U5SD 1 & 2 Open Not Installed Not installed installed Note: Pins designated should be in the closed position. CPU TYPE SELECTION (AMD) Type JP14 JP26 JP33 JP34 JP35 486DX2 1 & 2 2 & 3 Closed 1 & 2 1 & 2 (NV8T) 486DX2 1 & 2 2 & 3 Open 1 & 2 1 & 2 (SV8B) 486DX4 2 & 3 2 & 3 Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (AMD, CON’T) Type JP36 JP42 JRN1 JRN2 JRN3 486DX2 1 & 2 Open Installed Not Not (NV8T) installed installed 486DX2 1 & 2 Closed Installed Not Not (SV8B) installed installed 486DX4 1 & 2 Open Installed Not Not installed installed Note: Pins designated should be in the closed position. CPU TYPE SELECTION (INTEL) Type JP14 JP26 JP33 JP34 JP35 80486WB 2 & 3 2 & 3 Open 1 & 2 1 & 2 80486SX 1 & 2 Open Open 2 & 3 Open 80486DX 1 & 2 Open Open 1 & 2 1 & 2 80486DX2 2 & 3 Open Open 1 & 2 1 & 2 80486DX4 2 & 3 2 & 3 Open 1 & 2 1 & 2 486DX4 ODP 1 & 2 2 & 3 Open 1 & 2 2 & 3 P24T 1 & 2 2 & 3 Open 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (INTEL, CON’T) Type JP36 JP42 JRN1 JRN2 JRN3 80486WB 1 & 2 Open Installed Not Not installed installed 80486SX 2 & 3 Open Installed Not Not installed installed 80486DX 1 & 2 Open Installed Not Not installed installed 80486DX2 1 & 2 Open Installed Not Not installed installed 80486DX4 1 & 2 Open Installed Not Not installed installed 486DX4 ODP 1 & 2 Open Installed Not Not installed installed P24T 1 & 2 Open Installed Not Not installed installed Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP31 JP32 JP41 3.45v Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 3.6v Pins 2 & 3 Pins 2 & 3 Pins 3 & 4 closed closed closed 4v Pins 2 & 3 Pins 2 & 3 Pins 5 & 6 closed closed closed » 5v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed CPU CLOCK SPEED Speed Speed » <= 33MHz Pins 1 & 2 closed > 33MHz Pins 2 & 3 closed DMA CHANNEL SELECTION Channel JP15 None Open » 1 Pins 1 & 3, 2 & 4 closed 3 Pins 3 & 5, 4 & 6 closed PCI CLOCK SPEED SELECTION Speed JP11 JP13 <= 33MHz Pins 1 & 2 closed Pins 1 & 2 closed >33 MHz Pins 2 & 3 closed Pins 2 & 3 closed