CHAINTECH COMPUTER COMPANY, LTD. 4SPM5.2 Processor 80486SX/ODP486/UMCU5S/CX486DX/AM486DX/80486DX/ CX486DX2/CX486DX2V/AM486DX2/80846DX2/CX486DX4/AM486DX4/80486DX4/P24D/P24T/CX5X86/AMK5 Processor 25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/ Speed 80(internal)/83(internal)/100(internal)/120(internal)/133(internal)MHz Chip Set Unidentified Video Chip None Set Maximum 128MB (EDO supported) Onboard Memory Maximum None Video Memory Cache 128/256/512/1024KB BIOS Award Dimensions 250mm x 220mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), Options parallel port, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface CN1 Green PC LED JP27 Serial port 1 CN2 Green PC connector JP29 Serial port 2 CN3 Turbo switch JP35 Parallel port CN4 Turbo LED JP36 IDE interface 2 CN6 Speaker JP37 IDE interface 1 CN7 Reset switch JP44 External battery JP12 Power LED & keylock JP45 IDE interface LED 1 JP14 32-bit PCI slots PC1 - PC3 IDE interface LED 2 JP15 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP13 Pins 1 & 2 closed CMOS memory clear JP13 Pins 2 & 3 closed » PCI bus clock select CPU clock JP21 Pins 1 & 2 speed closed PCI bus clock select 1/2 CPU JP21 Pins 2 & 3 clock speed closed » Factory configured - do not alter JP31 Pins 1 & 2 closed » Factory configured - do not alter JP39 Pins 1 & 2 closed » Factory configured - do not alter JP40 Pins 1 & 2 closed 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) 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) 512K 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) 1M x 36 None None None 4MB (1) 512K x (1) 512K x None None 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) 512K x (1) 1M x 36 None None 36 6MB (1) 512K x (1) 512K x (1) 512K x None 36 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB (1) 2M x 36 None 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 12MB (1) 1M x 36 (1) 2M x 36 None None 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) 2M 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) 4M x 36 (1) 256K x None None 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x None 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 4M x 36 (1) 1M x 36 None None 24MB (1) 2M x 36 (1) 4M x 36 None 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) 4M 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 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 36MB (1) 8M x 36 (1) 1M x 36 None None 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 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 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 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 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) 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 (1) 256K x None None 36 36 66MB (1) 16M x (1) 256K x (1) 256K x None 36 36 36 67MB (1) 16M x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 68MB (1) 16M x (1) 1M x 36 None None 36 72MB (1) 2M x 36 (1) 16M x 36 None None DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 72MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 None 72MB (1) 16M x 36 (1) 2M x 36 None None 76MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 80MB (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 None 80MB (1) 16M x 36 (1) 4M x 36 None None 88MB (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 None 96MB (1) 16M x 36 (1) 8M x 36 None None 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 100MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 104MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 112MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 16M 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) 16M x 36 (1) 16M x 36 None None Note: Board accepts x 32 SIMMs. Banks are interchangeable. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 512KB (A) (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (B) (4) 128K x 8 NONE (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K x 8 CACHE JUMPER CONFIGURATION Size JP17 JP18 JP19 JP20 JP25 JP26 128KB 1 & 2 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 256KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 (A) 256KB 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 (B) 512KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 (A) 512KB 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 (B) 1MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION Speed JP22 JP23 25MHz Pins 2 & 3 closed Pins 2 & 3 closed 33MHz Pins 1 & 2 closed Pins 1 & 2 closed 40MHz Pins 1 & 2 closed Pins 2 & 3 closed 50iMHz Pins 2 & 3 closed Pins 2 & 3 closed 50MHz Pins 2 & 3 closed Pins 1 & 2 closed 63iMHz Pins 1 & 2 closed Pins 1 & 2 closed 66iMHz Pins 1 & 2 closed Pins 1 & 2 closed 75iMHz Pins 2 & 3 closed Pins 2 & 3 closed 80iMHz Pins 1 & 2 closed Pins 2 & 3 closed 83iMHz Pins 1 & 2 closed Pins 1 & 2 closed 100iMHz Pins 1 & 2 closed Pins 1 & 2 closed 120iMHz Pins 1 & 2 closed Pins 2 & 3 closed 133iMHz Pins 1 & 2 closed Pins 1 & 2 closed CPU TYPE SELECTION Type J2 J3 J4 J5 80486SX Closed Open Open Open ODP486 Open Closed Open Open UMCU5S Closed Open Open Open CX486DX Open Closed Open Closed AM486DX Open Closed Open Open 80486DX Open Closed Open Open CX486DX2 Open Closed Open Closed CX486DX2V Open Closed Open Closed AM486DX2 Open Closed Open Open AM486DX2-80 Open Closed Open Open 80486DX2 Open Closed Open Open CX486DX4 Open Closed Open Closed CX486DX4 (P/O) Open Open Open Open AM486DX4 (NV8T) Open Closed Open Open AM486DX4 (SV8B) Open Open Closed Open 80486DX4 Open Closed Open Open 80486DX4 (WB) Open Open Closed Open P24D Open Open Closed Open P24T Open Open Closed Open CX5X86 Open Open Open Open AM X5 Open Open Closed Open CPU TYPE SELECTION Type J6 J7 JP42 JP43 80486SX Closed Open Pins 1 & 2 Pins 1 & 2 closed closed ODP486 Closed Open Pins 1 & 2 Pins 2 & 3 closed closed UMCU5S Closed Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX Open Open Pins 1 & 2 Pins 1 & 2 closed closed AM486DX Closed Open Pins 1 & 2 Pins 1 & 2 closed closed 80486DX Closed Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX2 Open Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX2V Open Open Pins 1 & 2 Pins 1 & 2 closed closed AM486DX2 Closed Open Pins 1 & 2 Pins 1 & 2 closed closed AM486DX2-80 Closed Open Pins 2 & 3 Pins 1 & 2 closed closed 80486DX2 Closed Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX4 Open Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX4 (P/O) Open Closed Pins 1 & 2 Pins 1 & 2 closed closed AM486DX4 (NV8T) Closed Open Pins 1 & 2 Pins 1 & 2 closed closed AM486DX4 (SV8B) Open Closed Pins 1 & 2 Pins 1 & 2 closed closed 80486DX4 Closed Open Pins 1 & 2 Pins 1 & 2 closed closed 80486DX4 (WB) Open Closed Pins 1 & 2 Pins 1 & 2 closed closed P24D Open Closed Pins 1 & 2 Pins 1 & 2 closed closed P24T Open Closed Pins 1 & 2 Pins 2 & 3 closed closed CX5X86 Open Closed Pins 1 & 2 Pins 1 & 2 closed closed AM X5 Open Closed Pins 1 & 2 Pins 1 & 2 closed closed CPU MULTIPLIER SELECTION (DX4 ONLY) Multiplier JP41 2x Pins 2 & 3 closed 3x Open 4x Pins 2 & 3 closed CPU VOLTAGE SELECTION Voltage JP32 JP38 3.3v Open Pins 1 & 2 closed 4v Open Pins 2 & 3 closed 5v Pins 1 & 2, 3 & 4, 5 N/A & 6 closed DMA CHANNEL SELECTION Channel JP1 JP2 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed