NEC TECHNOLOGIES, INC. READY 425, 433, & 466 Processor 80486SX/80487DX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal) MHz Chip Set C & T Max. Onboard DRAM 64MB Cache None BIOS NEC Dimensions 330mm x 218mm I/O Options Fax/modem, floppy drive interface, IDE interface, multi-function connector (PS/2 mouse, PS/2 keyboard, power LED), parallel port, proprietary riser card, serial port, VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive J1 External battery JP9 interface IDE interface J2 Speaker JP11 Main board power J7 & J8 Multi-function P1 connector connector RJ11 modem J10 & J11 Parallel port P2 interface Proprietary riser JA-1 Serial port P3 card connection IDE interface LED JP6 VGA port P4 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Parallel port (P2) select JP13 pins 1 & 2 LPT1/IRQ7 (378-37Fh) closed Parallel port (P2) select JP13 pins 2 & 3 LPT2/IRQ5 (278-27Fh) closed » Flash BIOS programable via JP14 pins 1 & 2 network disabled closed Flash BIOS programable via JP14 pins 2 & 3 network enabled closed » Onboard video enabled SW1/1 Off Onboard video disabled SW1/1 On » Floppy interface (J1) enabled SW1/2 Off Floppy interface (J1) SW1/2 On disabled » System password enabled SW1/3 Off System password disabled & SW1/3 On cleared » Flash BIOS write enabled SW1/4 Off Flash BIOS write disabled SW1/4 On CPU TYPE CONFIGURATION Type JP1 JP2 JP12 » 80486SX PQFP pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486SX PGA pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 80487SX PGA pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX PGA pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 80486DX2 PGA pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed CPU SPEED CONFIGURATION Clock Speed JP15 25/50i MHz pins 1 & 2 closed 33/66i MHz pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 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 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 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) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 25MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36