PCM-4825 Motherboard Settings and Configuration

Device Type

Single board computer

Processor

AM DX5

Processor Speed

133MHz

Chip Set

VIA VT82C496G

Video Chip Set

Chips and Technology

Maximum Onboard Memory

32MB (EDO supported)

Maximum Video Memory

1MB

Audio Chip Set

ESS

Cache

None

BIOS

Award

Dimensions

145mm x 102mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, audio in - CD-ROM, PC/104 connectors (2)

CONNECTIONS

Purpose

Location

Purpose

Location

Power connector

CN1

Audio in - CD-ROM

CN10

Floppy drive interface

CN2

Audio connector

CN11

PC/104 connector

CN3

Power connector

CN12

Parallel port

CN4

Serial port 1

CN13

PC/104 connector

CN5

PS/2 mouse port

CN14

Flat panel connector

CN6

VGA port

CN15

IDE interface

CN7

Reset switch

J6

IR connector

CN8

LED

LED

Serial port 2

CN9

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

LCD voltage select 5v

J3

Pins 2 & 3 closed

LCD voltage select 3.3v

J3

Pins 1 & 2 closed

»

CMOS memory normal operation

J4

Pins 2 & 3 closed

CMOS memory clear

J4

Pins 1 & 2 closed

»

Audio power select 7805CT 5v

J5

Pins 2 & 3 closed

Audio power select main power 5v

J5

Pins 1 & 2 closed

SIMM CONFIGURATION

Size

Bank 0

1MB

(1) 256K x 36

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: The location of the video memory is unidentified.

SERIAL PORT 2 SELECTION

Setting

J7

»

RS-232

Pins 1 & 2 closed

RS-422

Pins 3 & 4 closed

RS-485

Pins 5 & 6 closed

DISK ADDRESS SELECTION

Address

J2/pins 1 & 2

J2/pins 3 & 4

J2/pins 5 & 6

C800

Closed

Closed

Closed

CC00

Closed

Closed

Open

»

D000

Closed

Open

Closed

D400

Closed

Open

Open

D800

Open

Closed

Closed

DC00

Open

Closed

Open

E000

Open

Open

Closed

Disabled

Open

Open

Open