DIAMOND FLOWER, INC. G486-EVB (REV. A) Processor CX486S/80486SX/SL80486SX/CX486S2/CX486DX/AM486DXL/80486DX/SL80486DX/CX486DX2/AM486DXT(NV8T)/80486DX2/SL80486DX2/SL80486DX4 Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)MHz Speed Chip Set Unidentified Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS Unidentified Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Green PC LED D6 Green PC connector JP44 External battery JP14 Reset switch JP45 Power LED & keylock JP40 32-bit VESA local bus SL1 – SL3 slots Speaker JP41 USER CONFIGURABLE SETTINGS Function Label Position » Battery type select external JP3 Pins 1 & 2 closed Battery type select internal JP3 Pins 2 & 3 closed » BIOS type select 27512 JP10 Open BIOS type select 28F010 JP10 Closed » Factory configured - do not alter JP15 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 None None None 8MB (1) 1M x 36 (1) 1M x 36 None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 None None None 32MB (1) 4M x 36 (1) 4M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 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 512KB (4) 128K x 8 None (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP19 JP20 JP21 JP26 JP27 JP28 128KB Open 2 & 3 2 & 3 Closed Closed Open 256KB Open 1 & 2 1 & 2 Closed Closed Closed 512KB Closed 2 & 3 1 & 2 Closed Closed Closed Note: Pins designated should be in the closed position. CPU SPEED SELECTION Speed JP36 JP37 S1 S2 S3 25MHz 1 & 2 1 & 2 Closed Open Open 33MHz 1 & 2 1 & 2 Closed Closed Closed 40MHz 1 & 2 1 & 2 Closed Closed Open 50iMHz 1 & 2 1 & 2 Closed Open Open 66iMHz 1 & 2 1 & 2 Closed Closed Closed 75iMHz 1 & 2 1 & 2 Closed Open Open 80iMHz 1 & 2 1 & 2 Closed Closed Open 100iMHz 1 & 2 1 & 2 Closed Closed Closed 120iMHz 1 & 2 1 & 2 Closed Closed Open Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP17 JP18 JP22 JP23 JP24 CX486S Closed Open 2 & 3 2 & 3 2 & 3 80486SX Open Open N/A N/A N/A SL80486SX Open Open 1 & 2 1 & 2 1 & 2 CX486S2 Closed Open 2 & 3 2 & 3 2 & 3 CX486DX Closed Closed 2 & 3 2 & 3 2 & 3 AM486DXL Open Open Open Open Open 80486DX Open Open N/A N/A N/A SL80486DX Open Open 1 & 2 1 & 2 1 & 2 CX486DX2 Closed Closed 2 & 3 2 & 3 2 & 3 AM486DX2 Open Open Open Open Open (NV8T) 80486DX2 Open Open N/A N/A N/A SL80486DX2 Open Open 1 & 2 1 & 2 1 & 2 SL80486DX4 Open Open 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP25 JP29 JP30 JP31 JP49 CX486S Open 2 & 3 Open Open Open 80486SX N/A 2 & 3 Open Open N/A SL80486SX Open 2 & 3 Open Open Open CX486S2 Open 2 & 3 Open Open Open CX486DX Open 1 & 2 2 & 3 Closed Open AM486DXL Closed 1 & 2 2 & 3 Closed Closed 80486DX N/A 1 & 2 2 & 3 Closed N/A SL80486DX Open 1 & 2 2 & 3 Closed Open CX486DX2 Open 1 & 2 2 & 3 Closed Open AM486DX2 Open 1 & 2 2 & 3 Closed Open (NV8T) 80486DX2 N/A 1 & 2 2 & 3 Closed N/A SL80486DX2 Open 1 & 2 2 & 3 Closed Open SL80486DX4 Open 1 & 2 2 & 3 Closed Open Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP38 SL-enhanced Open Non SL-enhanced Closed CPU VOLTAGE SELECTION Voltage JP32 3.3v Pins 5 & 6, 7 & 8 closed » 5v Pins 1 & 2, 3 & 4 closed VL BUS WAIT STATE SELECTION Setting JP50 0 Open » 1 Closed VL BUS SPEED SELECTION Speed JP51 <= 33MHz Open » >33 MHz Closed