RADISYS CORPORATION EXPLR2 Processor 80386EX Processor Speed 33/40/50/66MHz Chip Set Unidentified Video Chip Set Cirrus Logic Maximum Onboard Memory 32MB Maximum Video Memory 512KB Cache None BIOS Phoenix Dimensions 254mm x 254mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, PC/104 connectors (2), flat panel connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location LCD connector CN1 PC/104 connector J4A IDE interface CN2 Parallel port J8 Floppy drive interface CN6 Serial port 2 J9 PS/2 mouse port J2 Serial port 1 J10 VGA port J3 PC card carrier S1 PC/104 connector J4 Reset switch S2 USER CONFIGURABLE SETTINGS Function Label Position RFA access select (linear memory/mapped JP2 Unidentified page) RFA WS select (R380 WEFLSH/386EXWR) JP3 Unidentified » Factory configured - do not alter JP4 Open CPU speed 33/40/50/66MHz JP5 Unidentified BIOS CS select (R380EX/Intel386EX) JP6 Unidentified » Flash BIOS boot block disabled JP7 Open Flash BIOS boot block enabled JP7 Closed » Flash BIOS normal operation JP8A Open Flash BIOS recovery mode JP8A Closed » Manufacturing loop at boot disabled JP8B Open Manufacturing loop at boot enabled JP8B Closed » Bottom half (lower 256KB) of FBD JP8C Open disabled Bottom half (lower 256KB) of FBD JP8C Closed enabled » Flash BIOS write protect disabled JP8D Open Flash BIOS write protect enabled JP8D Closed VCC select (3.3v/5v) JP9 Unidentified Serial port 2 COM select (IRQ3/IRQ5) JP10 Unidentified VPP select (12v/5v) JP11 Unidentified » Boot option with keyboard controller JP12 Open disabled Boot option with keyboard controller JP12 Closed enabled Serial port 1 COM select (IRQ4/IRQ9) JP13 Unidentified » Post loop disabled JP14 Open Post loop enabled JP14 Closed » 8-bit operation disabled JP15 Closed 8-bit operation enabled JP15 Open » R380 voltage select 5v SW1/1 On R380 voltage select 3v/3.3v SW1/1 Off » Internal real time clock megacell SW1/2 Off enabled Internal real time clock megacell SW1/2 On disabled » Internal keyboard & mouse controller SW1/3 Off megacell enabled Internal keyboard & mouse controller SW1/3 On megacell disabled » RAS_BS# enabled SW1/4 Off MA11 enabled SW1/4 On » CS_USR [3:0] outputs enabled SW1/5 Off DIO [3:0] inputs enabled SW1/5 On » ACTIVITY#/WE_BIOS#/WE_AP#/QDACKB SW1/6 Off enabled DIO [7:4] inputs enabled SW1/6 On » Initial level of digital output select SW1/7 Off initialize to 0 Initial level of digital output select SW1/7 On initialize to 1 » User definable bit select 0 SW1/8 Off User definable bit select 1 SW1/8 On SIMM CONFIGURATION Size Bank 0 2MB (1) 512K x 36 4MB (1) 1M x 36 8MB (1) 2M x 36 16MB (1) 4M x 36 32MB (1) 8M x 36 VIDEO MEMORY CONFIGURATION Note: 512KB video memory is factory installed and is not configurable. FLAT PANEL SELECTION Setting JP1/A JP1/B JP1/C » 0-bit disabled Open Open Open 0-bit enabled Closed Closed Closed