UNIDENTIFIED 80486 VIP Processor CX486M6/80486SX/SL80486SX/CX486M7/U5/80486DX/AM486DX2/ AM486DX4/SL80486DX4/P24D Processor 25/33/40/50/66(internal)/75(internal)/80(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 256MB Onboard DRAM Cache 64/128/256/512/1024KB BIOS AMI Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (4), IDE Options interfaces (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery JP3 Turbo LED JP20 Green PC connector JP4 IDE interface LED JP40 (monitor) Turbo switch JP14 Chassis fan power JP41 Reset switch JP15 32-bit PCI slots PCI1 - PCI4 Green PC connector JP16 IDE interface S1 (primary) Power LED & keylock JP18 IDE interface S2 (secondary) Speaker JP19 32-bit VESA local SL1 & SL2 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position Flash BIOS voltage select 5v JP2 Open Flash BIOS voltage select 12v JP2 Closed » Battery type select internal JP3 pins 2 & 3 closed Battery type select external JP3 Closed CMOS memory clear JP3 pins 3 & 4 closed » Factory configured - do not JP9 N/A alter » Factory configured - do not JP10 N/A alter » Factory configured - do not JP11 N/A alter » Factory configured - do not JP12 N/A alter » Factory configured - do not JP13 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 2MB (1) 512K x NONE NONE NONE 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 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 NONE (1) 256K x NONE 36 6MB (1) 1M x 36 NONE (1) 256K x (1) 256K x 36 36 6MB (1) 1M x 36 NONE (1) 512K x NONE 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 8MB (1) 1M x 36 NONE (1) 512K x (1) 512K x 36 36 8MB (1) 2M x 36 NONE NONE NONE 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 9MB (1) 2M x 36 NONE (1) 256K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 512K x NONE 36 10MB (1) 2M x 36 NONE (1) 512K x NONE 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 2M x 36 NONE (1) 1M x 36 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 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 17MB (1) 4M x 36 NONE (1) 256K x NONE 36 18MB (1) 4M x 36 NONE (1) 256K x (1) 256K x 36 36 18MB (1) 4M x 36 NONE (1) 512K x NONE 36 20MB (1) 1M x 36 NONE (1) 2M x 36 (1) 2M x 36 20MB (1) 1M x 36 NONE (1) 4M x 36 NONE 20MB (1) 2M x 36 (1) 2M x 36 (1) 512K x (1) 512K x 36 36 20MB (1) 4M x 36 NONE (1) 512K x (1) 512K x 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 20MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 NONE 20MB (1) 4M x 36 NONE (1) 1M x 36 NONE 24MB (1) 4M x 36 NONE (1) 1M x 36 (1) 1M x 36 24MB (1) 4M x 36 NONE (1) 2M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 NONE (1) 2M x 36 (1) 2M x 36 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) 1M x 36 NONE (1) 4M x 36 (1) 4M x 36 36MB (1) 1M x 36 NONE (1) 8M x 36 NONE 40MB (1) 8M x 36 NONE (1) 2M x 36 NONE 40MB (1) 8M x 36 NONE (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 NONE (1) 8M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M x 36 NONE (1) 4M x 36 (1) 4M x 36 48MB (1) 2M x 36 (1) 2M 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) 16M x NONE NONE NONE 36 65MB (1) 16M x NONE (1) 256K x NONE 36 36 65MB (1) 8M x 36 (1) 8M x 36 (1) 256K x NONE 36 66MB (1) 16M x NONE (1) 256K x (1) 256K x 36 36 36 66MB (1) 16M x NONE (1) 512K x NONE 36 36 68MB (1) 1M x 36 NONE (1) 8M x 36 (1) 8M x 36 68MB (1) 1M x 36 NONE (1) 16M x 36 NONE 68MB (1) 16M x NONE (1) 512K x (1) 512K x 36 36 36 68MB (1) 16M x NONE (1) 1M x 36 NONE 36 72MB (1) 16M x NONE (1) 1M x 36 (1) 1M x 36 36 72MB (1) 16M x NONE (1) 2M x 36 NONE 36 80MB (1) 4M x 36 NONE (1) 8M x 36 (1) 8M x 36 80MB (1) 4M x 36 NONE (1) 16M x 36 NONE 80MB (1) 16M x NONE (1) 2M x 36 (1) 2M x 36 36 80MB (1) 16M x NONE (1) 4M x 36 NONE 36 96MB (1) 16M x NONE (1) 8M x 36 NONE 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB (1) 8M x 36 NONE (1) 8M x 36 (1) 8M x 36 96MB (1) 16M x NONE (1) 4M x 36 (1) 4M x 36 36 128MB (1) 16M x NONE (1) 8M x 36 (1) 8M x 36 36 128MB (1) 16M x (1) 16M x NONE NONE 36 36 129MB (1) 16M x (1) 16M x (1) 256K x NONE 36 36 36 144MB (1) 16M x (1) 16M x (1) 2M x 36 (1) 2M x 36 36 36 160MB (1) 16M x (1) 16M x (1) 8M x 36 NONE 36 36 256MB (1) 16M x (1) 16M x (1) 16M x 36 (1) 16M x 36 36 36 CPU TYPE CONFIGURATION Type JP25 JP26 JP27 JP28 JP29 CX486M6 2 & 3 Open 1 & 2 2 & 3 1 & 2 80486SX 2 & 3 Open Open Open 2 & 3 SL80486SX 2 & 3 Open 1 & 2 Open 1 & 2 CX486M7 1 & 2, 3 3 & 4 1 & 2 2 & 3 1 & 2 & 4 U5 2 & 3 1 & 2, 3 2 & 3 Open 2 & 3 & 4 80486DX 1 & 2, 3 3 & 4 Open Open 2 & 3 & 4 AM486DX2 1 & 2, 3 3 & 4 Open Open 2 & 3 & 4 AM486DX4 1 & 2, 3 3 & 4 Open Open 2 & 3 & 4 SL80486DX4 1 & 2, 3 3 & 4 1 & 2 Open 1 & 2 & 4 P24D 1 & 2, 3 3 & 4 1 & 2, 3 3 & 4 1 & 2 & 4 & 4 CPU TYPE CONFIGURATION (CON’T) Type JP30 JP31 JP32 JP33 CX486M6 2 & 3 2 & 3 1 & 2, 3 & Open 4 80486SX Open Open Open Closed SL80486SX 1 & 2 Open 2 & 3, 4 & Open 5 CX486M7 2 & 3 2 & 3 1 & 2, 3 & Open 4 U5 Open 3 & 4 Open Closed 80486DX Open Open Open Closed AM486DX2 Open Open Open Closed AM486DX4 Open Open Open Closed SL80486DX4 1 & 2 Open 2 & 3, 4 & Open 5 P24D 1 & 2, 3 & Open 2 & 3, 4 & Open 4 5 CPU TYPE CONFIGURATION (CON’T) Type JP35 JP36 JP37 JP38 CX486M6 1 & 2 Open 1 & 2 2 & 3 80486SX Open 2 & 3 1 & 2 1 & 2 SL80486SX Open 2 & 3 1 & 2 1 & 2 CX486M7 1 & 2 Open 1 & 2 2 & 3 U5 Open 2 & 3 2 & 3 1 & 2 80486DX Open 2 & 3 1 & 2 1 & 2 AM486DX2 Open 2 & 3 1 & 2 1 & 2 AM486DX4 Open 1 & 2 1 & 2 1 & 2 SL80486DX4 Open 2 & 3 1 & 2 1 & 2 P24D Open 1 & 2 1 & 2 1 & 2 CPU SPEED CONFIGURATION Speed JP6 JP7 JP8 25MHz Open Open Closed 33MHz Closed Closed Closed 40MHz Open Closed Closed 50iMHz Open Open Closed 50MHz Closed Open Open 66iMHz Closed Closed Closed 75iMHz Open Open Closed 80iMHz Open Closed Closed 100iMHz Closed Closed Closed CPU SPEED SELECT CONFIGURATION (80486DX4 ONLY) Speed JP34 2X Closed 3X Open CPU VOLTAGE CONFIGURATION Voltage JP21 JP22 JP23 JP24 JP42 3.3 v 1 & 2 1 & 2 1 & 2 1 & 2 Closed 4 v 1 & 2 1 & 2 1 & 2 1 & 2 Open 5 v 2 & 3 2 & 3 2 & 3 2 & 3 Closed Note: Pins designated should be in the closed position.