Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE Manual do Utilizador descarregar pdf (Página 77)

67 AIMB-221 User Manual

Chapter 3 Award BIOS Setup

3.10 Frequency / Voltage Control

Figure 3.11 Spread Spectrum Frequency/Voltage Control screen

3.10.1 Spread Spectrum

This setting allows you to reduce EMI by modulating the signals the CPU generates

so that the spikes are reduced to flatter curves. This is achieved by varying the fre-

quency slightly so that the signal does not use any particular frequency for more than

a moment. The choices are "Disabled" and "Enabled".

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User Manual 1
AIMB-221 1
Copyright 2
Acknowledgements 2
A Message to the Customer 2
Declaration of Conformity 3
Memory Compatibility 4
Product warranty 5
Initial Inspection 6
Contents 7
Chapter 1 11
1.1 Introduction 12
1.2 Features 12
1.3 Specifications 13
1.4 Jumpers and Connectors 14
Locations 15
1.6 AIMB-221 Block Diagram 16
1.7 Jumpers and Connectors 17
1.8 Safety Precautions 18
1.9 Jumper Settings 18
Table 1.1: CMOS (JCMOS1) 19
1-2 closed 20
2-3 closed 20
1.10 System Memory 21
1.12 Cache Memory 21
1.13 Processor Installation 21
1.14 PCI Bus Routing Table 22
Chapter 2 25
2.1 Introduction 26
2.3 DVI2 (Optional) 28
19 AIMB-221 User Manual 29
AIMB-221 User Manual 20 30
2.4.2 Reset Connector (JFP1) 31
2.4.3 External Speaker (JFP2) 31
PWR_LED&KEY LOCK) 33
1-2 closed 34
2-3 closed 34
AIMB-221 User Manual 26 36
2.9 Parallel Port (LPT1) 38
2.10 JSETCOM1 40
2.11 JSETCOM2 41
2.12 GPIO1 43
2.13 VGA HDMI 44
2.14 LAN1_USB12 45
2.15 LAN2_USB34 46
2.16 USB56 47
2.17 USB78 48
2.18 Audio 49
2.19 FPAUD1 50
2.20 SPKOUT1 51
AIMB-221 User Manual 42 52
2.22 INV1 54
2.23 VGA2 (TV-Out) (Optional) 55
2.24 LVDS 57
49 AIMB-221 User Manual 59
JLVDS1 59
AIMB-221 User Manual 50 60
Chapter 3 61
3.1 Introduction 62
Chapter 3 Award BIOS Setup 63
3.3 Standard CMOS Setup 64
AIMB-221 User Manual 56 66
3.5 Advanced Chipset Features 68
3.6.1 IDE HDD Block Mode 70
3.6.2 IDE DMA Transfer Access 70
3.6.4 SATA Mode 70
3.6.5 Legacy mode support 72
3.6.6 On board LAN1 ROM 72
3.6.7 Onboard LAN2 Control 72
3.6.8 On board LAN2 ROM 72
Table 3.1: Power Saving 74
3.9 PC Health Status 76
Please Enter Your Password 78
Please Confirm Your Password 78
AIMB-221 User Manual 70 80
Chapter 4 81
4.1 Before you begin 82
73 AIMB-221 User Manual 83
4.2 Windows XP Driver Setup 84
75 AIMB-221 User Manual 85
AIMB-221 User Manual 76 86
77 AIMB-221 User Manual 87
AIMB-221 User Manual 78 88
79 AIMB-221 User Manual 89
11. Restart the system 90
Chapter 5 91
5.1 Introduction 92
5.2 Features 92
5.3 Installation 92
5.4 Win XP Driver Setup (LAN) 92
Chapter 5 LAN Configuration 93
AIMB-221 User Manual 84 94
Chapter 6 95
6.1 Introduction 96
Chapter 6 AC97 Audio Setup 97
AIMB-221 User Manual 88 98
Appendix A 99
A.1 Watchdog timer overview 100
A.2 Reset/Interrupt selection 100
91 AIMB-221 User Manual 101
A.3.1 Example Programs 102
93 AIMB-221 User Manual 103
AIMB-221 User Manual 94 104
95 AIMB-221 User Manual 105
AIMB-221 User Manual 96 106
97 AIMB-221 User Manual 107

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