EMAC PCM-4896L Manuel utilisateur

Quick Installation Guide

PCM-4896L Installation Guide 1

Notice:

This guide is designed for experienced users to

setup the system within the shortest time. For

detailed information, please always refer to the

electronic user's manual.

Safety Precautions

PCM-4896L

All-in-One Single Board NS Geode GX1 computer with LCD, Ether-

net, Audio, & 4 COMs

Part no. 2007489605 2nd Ed. Printed in Taiwan May 2002

Quick Installation Guide

Warning! Alwayscompletelydisconnectthepowercordfrom

yourchassiswheneveryouworkwith the hardware.

Do not make connections while the power is on.

Sensitive electronic components can be damaged

by sudden power surges. Only experienced elec-

tronics personnel should open the PC chassis.

Caution! Alwaysground yourself toremoveany static charge

before touching the CPU card. Modern electronic

devices are very sensitive to static electric charg-

es. As a safety precaution, use a grounding wrist

strap at all times. Place all electronic components

inastatic-dissipativesurfaceor static-shielded bag

when they are not in the chassis.

PCM-4896L

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Locating Jumpers and Connectors

Quick Installation Guide

PCM-4896L Installation Guide 3

Mechanical Drawing

PCM-4896L

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Jumpers and Connectors

Connectors on the board link themselves to the external devices

such as hard disk drives, a keyboard, or floppy drives. In addition,

the board has a number of jumpers that allow you to configure your

system to suit your application.

The following tables list the function of each jumper and connector

on the board.

Jumpers

Label Function

J1 Internal buzzer select

J4 Clear CMOS

J5 ATX soft-power switch connector

J6 Audio output select

J8 LCD driving voltage select

J9 LCD clock select

J10 Audio Power

J11 COM4 RI pin voltage select

J12 COM3 RI pin voltage select

J13 COM2 RS232/422/485 setting

J14 COM2 RS232/422/485 selection

SW1 (1~3) CPU frequency ratio

SW1 (5, 6) DOC address select

SW2 (1) CPU clock select

Quick Installation Guide

PCM-4896L Installation Guide 5

Connectors

Label Function

CN1 PC/104 connector

CN2 USB ports connector

CN4 IDE drive connector

CN5 Front panel connector

CN6 IrDA connector

CN7 LCD display connector

CN8 Keyboard and PS/2 mouse connector

CN9 VGA display connector

CN10 Audio connector

CN11 Printer port connector

CN12 100Base-Tx Ethernet connector

CN13 Serial ports connector

CN14 Floppy dirve connector

CN15 Digital I/O connector

PW1 ATX power connector

J7 CD-ROM signal input connector

LED1 Ethernet Tx/Rx/Link LED connector

U4 DiskOnChip socket

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Internal Buzzer Select (J1)

Internal Buzzer External Speaker

Clear CMOS (J4)

You can use J4 to clear the CMOS data if necessary. To reset the

CMOS data, set J4 to 2-3 closed for just a few seconds, and then

move the jumper back to 1-2 closed.

Clear CMOS (J4) Protect* Clear CMOS

*default

ATX Soft-Power Switch Connector (J5)

The ATX Soft-Power switch connector is a 2-pin header. Please plug

the power switch cable from your system to the Soft-Power switch

connector marked J5.

J1 1 2

1 2

Quick Installation Guide

PCM-4896L Installation Guide 7

CD Audio Connector (J7)

This connector is used to connect to a CD audio cable.

CD Audio Connector (J7)

Pin Signal

1 GND

2 CD_L

3 GND

4 CD_R

LCD Driving Voltage Select (J8)

You can select the LCD connector CN7 (pin 5 and pin 6) driving

voltage by setting J8. The configurations are as follows:

LCD Driving Voltage Select (J8)

5V 3.3V *

*default

1 2 3 1 2 3

2 1

4 3

6 5

2 1

4 3

6 5

Audio Output Select (J6)

You can select the output mode of onboard audio connector (CN10)

by setting J6.

"Speaker out" is the output signal amplified by onboard amplifier

Audio Output Select (J6)

Line out* Speaker out

*default

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Audio Power Setting (J10)

The default setting is pin1 and pin 2 closed to offer audio power.

Audio Power Setting (J10)

Vcc * Reserved

*default

J10 1 2 3

1 2 3

LCD Clock Signal Select (J9)

You can select the LCD control signal by setting J9. The following

chart shows the available options.

LCD Clock Signal Select (J9)

SHF CLK * ASHF CLK

*default

J9 1 2 3

1 2 3

Quick Installation Guide

PCM-4896L Installation Guide 9

COM3/COM4 RI Pin Voltage Select

(J12, J11)

The 9th pin of COM3 and COM4 (9-pin D-sub connector) can be

selected as RI, +5V, or +12V by setting J12 & J11.

COM3 RI Pin Setting (J12)

RI* +5V +12V

J12

COM4 RI Pin Setting (J11)

RI * +5V +12V

J11

*default

1 3 5

2 4 6

1 3 5

2 4 6

1 3 5

2 4 6

1 3 5

2 4 6

1 3 5

2 4 6

1 3 5

2 4 6

COM2 RS-232/422/485 Select (J13, J14)

ThePCM-4896 COM2 serial port can be selected as RS-232,RS-422,

orRS-485 by setting J13 & J14.

COM2 Select (J13, J14)

RS-232* RS-422 RS-485

J13

J14

*default

1 4 7 10

3 6 9 12

1 4 7 10

3 6 9 12

1 4 7 10

3 6 9 12

1 3 5

2 4 6

1 3 5

2 4 6

1 3 5

2 4 6

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SW1 (1~3) CPU Frequency Ratio

SW2 (1) CPU Clock Select

You can configure the CPU external clock to 33MHz or 30MHz by

setting SW2(1).

123

X4NONONO

X5NOFFOFFO

X6FFONOFFO

X7FFOFFONO

X9NOFFONO

X01NONOFFO

SW1

Ratio

zHM33NO

zHM03FFO

SW2

Freq.

TheGX1CPUcorefrequency=CPU frequency ratio (4~10X)*Exter-

nalCPUclock(33or 30MHz). the following table shows the available

cnfigurations.

Any CPU setting change is strongly prohibited!!

Table des matières

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