GENOA SYSTEMS CORPORATION TURBOEXPRESS 486PCI Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Intel Saturn Max. Onboard 128MB DRAM Cache 128/256/512KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI local bus slots (4) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock JP17 32-bit PCI Local bus S1 slot Speaker JP18 32-bit PCI Local bus S2 slot Reset switch JP19 32-bit PCI Local bus S3 slot Turbo LED JP20 32-bit PCI Local bus S4 slot Turbo switch JP21 USER CONFIGURABLE SETTINGS Function Jumper Position » Cache enabled JP4 pins 2 & 3 closed Cache disabled JP4 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 1M x 36 (1) 1M x 36 NONE NONE 4MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 4MB (1) 2M x 36 (1) 2M x 36 NONE NONE 6MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 6MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 8MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 8MB (1) 4M x 36 (1) 4M x 36 NONE NONE 10MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 10MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 12MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 12MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 16MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 16MB (1) 8M x 36 (1) 8M x 36 NONE NONE 18MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 18MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 20MB (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 24MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 32MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 32MB (1) 16M x 36 (1) 16M x 36 NONE NONE 34MB (1) 1M x 36 (1) 1M x 36 (1) 16M x 36 (1) 16M x 36 34MB (1) 16M x 36 (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 36MB (1) 16M x 36 (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 36MB (1) 2M x 36 (1) 2M x 36 (1) 16M x 36 (1) 16M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 (1) 16M x 36 40MB (1) 16M x 36 (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 8M x 36 (1) 8M x 36 (1) 16M x 36 (1) 16M x 36 48MB (1) 16M x 36 (1) 16M x 36 (1) 8M x 36 (1) 8M x 36 64MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 64MB (1) 32M x 36 (1) 32M x 36 NONE NONE 66MB (1) 1M x 36 (1) 1M x 36 (1) 32M x 36 (1) 32M x 36 66MB (1) 32M x 36 (1) 32M x 36 (1) 1M x 36 (1) 1M x 36 68MB (1) 2M x 36 (1) 2M x 36 (1) 32M x 36 (1) 32M x 36 68MB (1) 32M x 36 (1) 32M x 36 (1) 2M x 36 (1) 2M x 36 72MB (1) 4M x 36 (1) 4M x 36 (1) 32M x 36 (1) 32M x 36 72MB (1) 32M x 36 (1) 32M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION (CONT.) Size Bank 0 Bank 1 Bank 2 Bank 3 80MB (1) 8M x 36 (1) 8M x 36 (1) 32M x 36 (1) 32M x 36 80MB (1) 32M x 36 (1) 32M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 16M x 36 (1) 16M x 36 (1) 32M x 36 (1) 32M x 36 96MB (1) 32M x 36 (1) 32M x 36 (1) 16M x 36 (1) 16M x 36 128MB (1) 32M x 36 (1) 32M x 36 (1) 32M x 36 (1) 32M 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 JP2 JP3 JP12 JP13 128KB pins 1 & 2 pins 2 & 3 Open Open closed closed 256KB pins 2 & 3 pins 1 & 2 Closed Open closed closed 512KB pins 2 & 3 pins 2 & 3 Closed Closed closed closed CPU TYPE CONFIGURATION Type JP14 JP15 JP16 80486SX pins 1 & 2 Open pins 2 & 3 closed closed 80487SX pins 1 & 2 pins 2 & 3 Closed closed closed 80486DX pins 1 & 2 pins 1 & 2 Closed closed closed ODP486SX pins 1 & 2 pins 2 & 3 Closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 Closed closed closed Pentium Overdrive pins 2 & 3 pins 2 & 3 Closed closed closed CPU SPEED CONFIGURATION Speed JP5 JP10 JP11 25MHz pins 1 & 2 Open Closed closed 33MHz pins 2 & 3 Closed Open closed 50i MHz pins 1 & 2 Open Closed closed 66i MHz pins 2 & 3 Closed Open closed PCI INTERRUPT SELECT Setting JP22 JP23 JP24 » IRQ15 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed IRQ11 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed IRQ5 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed None pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Note:There are three jumpers to be set for the PCI interrupt connection. When you connect an ISA IRQ to the PCI bus, that IRQ is unavailable to the ISA bus. PCI IDE IRQ14 CONNECTION Type JP27 JP28 ISA IDE controller pins 3 & 4 closed Closed PCI IDE controller (edge pins 4 & 5 closed Open trigger) PCI IDE controller pins 1 & 2 closed Open (level trigger)