Dfi ES121-LR Manuel d'utilisateur télécharger pdf (Page 35)

Jumper Settings

COM 2 RS232/RS422/RS485 Select

JP5

1-2 On: RS232

(default)

3-4 On: RS422

Half Duplex

5-6 On: RS485

531

JP5 is used to congure COM 2 to RS232, RS422 (Half Duplex) or RS485.

The pin function of COM 2 will vary according to the jumper’s setting.

JP5

COM 2

531

1 9

DCD-

DTR-

GND

RTS-

DSR-

CTS-

RI-

1 9

RXD+

N.C.

RXD-

N.C.

1 9

DATA+

N.C.

DATA-

N.C.

COM 2

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 174 175

ES121-LR 1
Copyright 2
Trademarks 2
Table of Contents 4
About this Manual 7
Warranty 7
Safety Measures 8
Safety Precautions 9
Introduction 10
About the Package 11
Optional Items 11
Before Using the System 11
Chapter 1 - Introduction 12
Specifications 13
Front Panel 16
System Models 16
Rear Panel 17
Mechanical Dimensions 18
Motherboard Dimensions 19
Chapter 2 - Getting Started 20
Installing the Drivers 21
Mounting 22
Installing Devices 23
SODIMM sockets 24
HDD bracket 26
SATA drive 26
Mounting screw 26
X100-4PE1 28
X100-5PE1 28
Chapter 4 - Jumper Settings 30
Jumper Settings 31
PS/2 Power Select 31
USB Power Select 32
Panel Power Select 33
CompactFlash Card Setting 34
COM 1 RS232/Power Select 36
Power-on Select 37
Rear Panel I/O Ports 38
Ports and Connectors 39
DC-in 12V 39
VGA Port 40
HDMI Port 41
DVI-I Ports 42
USB Ports 43
RJ45 LAN Port 45
I/O Connectors 47
S/PDIF Connector 50
LVDS LCD Panel Connector 51
LCD/Inverter Power Connector 51
Digital I/O Connector 53
SATA (Serial ATA) Connectors 54
IDE Connector 55
Cooling Fan Connectors 57
Chassis 58
Peripheral Power Connector 59
PowerLED 60
Standby 60
Front Panel Connectors 61
PCIExpressx1 62
CompactFlash socket 64
CompactFlash 64
Chapter 6 - Mounting Options 65
Rackmount Mounting 66
Rackmount 67
Mounting Options 68
Rackmount Instructions 68
VESA Mounting 69
Chapter 7 - BIOS Setup 70
Scroll Bar 71
AMI BIOS Setup Utility 72
Advanced 73
CPU Configuration 74
IDE Configuration 75
Super IO Configuration 78
Hardware Health Configuration 80
ACPI Configuration 81
AHCI Configuration 85
USB Configuration 87
Boot Settings Configuration 90
Boot Device Priority 92
Hard Disk Drives 93
CD/DVD Drives 94
Security 95
User Access Level 97
Change User Password 98
Clear User Password 99
BIOS Setup 100
Password Check 100
North Bridge Configuration 101
South Bridge Configuration 104
Save Changes and Exit 105
Discard Changes and Exit 106
Discard Changes 106
Load Optimal Defaults 107
Load Failsafe Defaults 107
Updating the BIOS 108
Supported Software 109
7. Click Next 158
Bootable ISO. Click Next 158
Appendix B - Watchdog Timer 168
Watchdog Timer 169
Error Messages 171
System Error Message 172
Appendix D - Troubleshooting 173
Power Supply 174
Hard Drive 174
Serial Port 175
Keyboard 175
System Board 175

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Dfi ES121-LR Manuel d'utilisateur Page 35

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