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 |