TRENTON TECHNOLOGY, INC. TR-486DX Processor 80486SX/80486DX/80486DX2/80486DX4/P24D/P24T Processor Speed 33/50(internal)/50/66(internal)100(internal)MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 128MB Memory Maximum Video None Memory Cache 256KB BIOS AMI Dimensions Unidentified I/O Options Floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock P2 Serial port 2 P7 Floppy drive P3 Parallel port P8 interface Auxiliary keyboard P4 CPU fan power P9 connector Speaker P5 Reset switch P10 Combo I/O connector P5A IDE interface P11 Serial port 1 P6 IDE interface LED P12 USER CONFIGURABLE SETTINGS Function Label Position » Monitor type select color JU80 Pins 1 & 2 closed Monitor type select monochrome JU80 Pins 2 & 3 closed » Password normal operation JU81 Open Password clear JU81 Closed » Watchdog timer disabled JU82 Pins 1 & 2 closed Watchdog timer enabled JU82 Pins 2 & 3 closed » CMOS memory normal operation JU83 Open CMOS memory clear JU83 Closed » Speaker data signal to pin 8 on JU84 Closed P5A enabled Speaker data signal to pin 8 on JU84 Open P5A disabled » Reset data signal to pin 1 on P5A JU85 Closed enabled Reset data signal to pin 1 on P5A JU85 Open disabled SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 None None None 8MB (1) 2M x 36 None None None 8MB (1) 1M x 36 (1) 1M 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) 4M x 36 None None None 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 1M 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 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 None 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 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 28MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 8M x 36 None None None 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36MB (1) 8M x 36 (1) 1M x 36 None None 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 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 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 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) 8M x 36 (1) 8M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 72MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 None 80MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 112MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 256KB (8) 32K x 8 Note: Bank 0 is factory installed and is not configurable. CPU TYPE SELECTION Type JU10 80486SX Pins 2 & 3 closed All other CPU types Pins 1 & 2 closed CPU TYPE SELECTION Type JU11 S-series CPU Pins 2 & 3 closed Non S-series CPU Pins 1 & 2 closed CPU TYPE SELECTION Type JU13 Non ODP CPU Closed ODP CPU Open CPU TYPE SELECTION Type JU14 P24D Closed P24T Closed All other CPU types Open CPU MULTIPLIER SELECTION Multiplier JU12 2x Pins 2 & 3 closed 2.5x Pins 1 & 2 closed 3x Open DMA CHANNEL SELECTION Channel JU103 JU104 3 Pins 7 & 8 closed Pins 7 & 8 closed 5 Pins 5 & 6 closed Pins 5 & 6 closed 6 Pins 3 & 4 closed Pins 3 & 4 closed 7 Pins 1 & 2 closed Pins 1 & 2 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ JU100 » IRQ4 Pins 2 & 3 closed IRQ3 Pins 1 & 2 closed SERIAL PORT 2 INTERRUPT SELECTION IRQ JU101 » IRQ3 Pins 1 & 2 closed IRQ4 Pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECTION IRQ JU102 » IRQ7 Pins 1 & 2 closed IRQ5 Pins 2 & 3 closed