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  | 
| 
 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 page)  | 
 JP2  | 
 Unidentified  | |
| 
 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 disabled  | 
 JP8C  | 
 Open  | 
| 
 Bottom half (lower 256KB) of FBD enabled  | 
 JP8C  | 
 Closed  | |
| 
 »  | 
 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 disabled  | 
 JP12  | 
 Open  | 
| 
 Boot option with keyboard controller enabled  | 
 JP12  | 
 Closed  | |
| 
 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 enabled  | 
 SW1/2  | 
 Off  | 
| 
 Internal real time clock megacell disabled  | 
 SW1/2  | 
 On  | |
| 
 »  | 
 Internal keyboard & mouse controller megacell enabled  | 
 SW1/3  | 
 Off  | 
| 
 Internal keyboard & mouse controller megacell disabled  | 
 SW1/3  | 
 On  | |
| 
 »  | 
 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 enabled  | 
 SW1/6  | 
 Off  | 
| 
 DIO [7:4] inputs enabled  | 
 SW1/6  | 
 On  | |
| 
 »  | 
 Initial level of digital output select initialize to 0  | 
 SW1/7  | 
 Off  | 
| 
 Initial level of digital output select initialize to 1  | 
 SW1/7  | 
 On  | |
| 
 »  | 
 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  | |