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