CHAINTECH COMPUTER COMPANY, LTD. 486ICP Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Intel Max. Onboard DRAM128MB Cache 128/256/512KB BIOS Award/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI local bus slots (3), special slot (1) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Reset switch CN1 32-bit PCI bus PCI1 - PCI3 slots Speaker CN2 Special slot SL1 Power LED & keylock CN3 Note: The purpose of SL1 is unspecified by the manufacturer. USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J7 Open alter » Factory configured - do not J20 Open alter » Factory configured - do not J22 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 6MB (2) 512K x 36 (2) 256K x 36 8MB (2) 512K x 36 (2) 512K x 36 8MB (2) 1M x 36 NONE 10MB (2) 256K x 36 (2) 1M x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 512K x 36 (2) 1M x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 18MB (2) 2M x 36 (2) 256K x 36 20MB (2) 512K x 36 (2) 2M x 36 20MB (2) 2M x 36 (2) 512K x 36 24MB (2) 1M x 36 (2) 2M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 34MB (2) 4M x 36 (2) 256K x 36 36MB (2) 512K x 36 (2) 4M x 36 36MB (2) 4M x 36 (2) 512K x 36 40MB (2) 1M x 36 (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 4M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 66MB (2) 8M x 36 (2) 256K x 36 68MB (2) 512K x 36 (2) 8M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 1M x 36 (2) 8M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 2M x 36 (2) 8M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M 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 J14 J15 J17 J18 128KB Open Open pins 2 & 3 pins 1 & 2 closed closed 256KB Closed Open pins 1 & 2 pins 2 & 3 closed closed 512KB Closed Closed pins 2 & 3 pins 2 & 3 closed closed CPU TYPE CONFIGURATION Type J1 J2 J3 J4 J5 80486SX Open Open Open Closed Open ODP486SX Open Closed Closed Open Closed 80487SX Open Closed Closed Open Closed 80486DX Closed Open Closed Open Closed 80486DX2 Closed Open Closed Open Closed CPU SPEED CONFIGURATION Speed J21 JP29 JP30 JP31 25MHz pins 1 & 2 Open Open Closed closed 33MHz pins 2 & 3 Closed Open Open closed 50iMHz pins 1 & 2 Open Open Closed closed 66iMHz pins 2 & 3 Closed Open Open closed PCI IRQ CONFIGURATION (INT A) IRQ J33 IRQ5 pins 11 & 12 closed IRQ9 pins 9 & 10 closed IRQ10 pins 7 & 8 closed IRQ11 pins 5 & 6 closed IRQ14 pins 3 & 4 closed IRQ15 pins 1 & 2 closed PCI IRQ CONFIGURATION (INT B) IRQ J36 IRQ5 pins 11 & 12 closed IRQ9 pins 9 & 10 closed IRQ10 pins 7 & 8 closed IRQ11 pins 5 & 6 closed IRQ14 pins 3 & 4 closed IRQ15 pins 1 & 2 closed PCI IRQ CONFIGURATION (INT C) IRQ J35 IRQ5 pins 11 & 12 closed IRQ9 pins 9 & 10 closed IRQ10 pins 7 & 8 closed IRQ11 pins 5 & 6 closed IRQ14 pins 3 & 4 closed IRQ15 pins 1 & 2 closed PCI IRQ CONFIGURATION (INT D) IRQ J34 IRQ5 pins 11 & 12 closed IRQ9 pins 9 & 10 closed IRQ10 pins 7 & 8 closed IRQ11 pins 5 & 6 closed IRQ14 pins 3 & 4 closed IRQ15 pins 1 & 2 closed