DEICO ELECTRONICS, INC. 486-ISA Processor 80486SX Processor Speed 25/33MHz Chip Set Unidentified Max. Onboard DRAM 32MB Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Turbo LED JP25 Serial port 1 J13 Speaker JP26 Serial port 2 J14 Power LED & keylock JP27 Parallel port J30 IDE interface LED JP33 Floppy drive interface J31 Reset switch JP34 IDE interface J32 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP1 pins 1 & 2 closed CMOS memory clear JP1 pins 2 & 3 closed » Monitor type select color JP2 pins 1 & 2 closed Monitor type select monochrome JP2 pins 2 & 3 closed » Internal battery enabled JP3 pins 1 & 2 closed Internal battery disabled JP3 pins 2 & 3 closed » Burst rate select normal JP4 pins 1 & 2 operation closed Burst rate select fast burst JP4 pins 2 & 3 closed » Serial port IRQ3 select COM2 JP7 pins 2 & 3 closed Serial port IRQ3 select COM1 JP7 pins 1 & 2 closed Serial port IRQ3 disabled JP7 pins 3 & 4 closed » Serial port IRQ4 select COM1 JP8 pins 1 & 2 closed Serial port IRQ4 select COM2 JP8 pins 2 & 3 closed Serial port IRQ4 disabled JP8 pins 3 & 4 closed » Serial port IRQ9 disabled JP9 pins 3 & 4 closed Serial port IRQ9 select COM1 JP9 pins 1 & 2 closed Serial port IRQ9 select COM2 JP9 pins 2 & 3 closed » Serial port IRQ5 disabled JP10 pins 3 & 4 closed Serial port IRQ5 select COM1 JP10 pins 1 & 2 closed Serial port IRQ5 select COM2 JP10 pins 2 & 3 closed » Parallel port IRQ disabled JP11 pins 3 & 4 closed Parallel port IRQ select IRQ7 JP11 pins 1 & 2 closed Parallel port IRQ select IRQ5 JP11 pins 2 & 3 closed » Floppy drive interface enabled JP12 pins 1 & 2 closed Floppy drive interface disabled JP12 pins 2 & 3 closed » Serial port 1 COM select COM1 JP13 pins 1 & 2 closed Serial port 1 COM select COM3 JP13 pins 2 & 3 closed Serial port 1 COM select JP13 pins 3 & 4 disabled closed » Serial port 2 COM select COM2 JP14 pins 1 & 2 closed Serial port 2 COM select COM4 JP14 pins 2 & 3 closed Serial port 2 COM select JP14 pins 3 & 4 disabled closed » Parallel port LPT select LPT1 JP15 pins 1 & 2 closed Parallel port LPT select LPT2 JP15 pins 2 & 3 closed Parallel port LPT select JP15 pins 3 & 4 disabled closed » Factory configured - do not JP16 Open alter » BIST mode select normal JP17 pins 2 & 3 operation closed BIST mode select 486 BIST JP17 pins 1 & 2 closed » IDE interface enabled JP19 pins 1 & 2 closed IDE interface disabled JP19 pins 2 & 3 closed Note: The location of JP4 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9