Acer Veriton X270 Technical Information download pdf (Page 25)

Chapter 2 17

Frequency/Voltage Control

Parameter Description Option

Spread Spectrum Enables or disables the reduction of the mainboard’s EMI.

Note: Remember to disable the Spread Spectrum feature if you are

overclocking. A slight jitter can introduce a temporary boost in clock

speed causing the overclocked processor to lock up.

Enabled

Disabled

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 98 99

Aspire X1700 and Veriton X270 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 4
Conventions 5
Service Guide Coverage 6
FRU Information 6
Table of Contents 7
Technical Specifications 87 8
System Tour 9
I/O ports 10
Operating system and software 10
System BIOS 10
Power supply 10
System Components 11
Rear Panel 12
Internal Components 13
System LED Indicators 14
System Utilities 15
Entering CMOS setup 16
Setup Utility Menus 17
Product Information 18
Standard CMOS Features 19
Advanced BIOS Features 20
Advanced Chipset Features 21
Integrated Peripherals 22
Power Management Setup 23
PC Health Status 24
Frequency/Voltage Control 25
BIOS Security Features 26
Load Default Settings 27
Save & Exit Setup 28
Exit Without Saving 29
22 Chapter 2 30
System Disassembly 31
Pre-disassembly Procedure 32
Main Unit Disassembly 33
X270 model 34
Screw List 35
Removing the Side Panel 36
Removing the Front Bezel 37
Removing the Processor 40
Chapter 3 33 41
Removing the Optical Drive 42
36 Chapter 3 44
Removing the Hard Disk Drive 45
38 Chapter 3 46
X270 modelX1700 model 46
Removing the Power Supply 48
Chapter 3 41 49
Removing the Memory Modules 50
46 Chapter 3 54
48 Chapter 3 56
Removing the Mainboard 57
50 Chapter 3 58
52 Chapter 3 60
Chapter 3 53 61
System Troubleshooting 63
System Check Procedures 64
Beep Codes 65
Online Support Information 66
System Block Diagram 67
Chapter 5 67
Board Layout 68
System Jumpers 70
Chapter 6 71
Exploded Diagram 72
66 Chapter 6 74
Chapter 6 67 75
68 Chapter 6 76
Chapter 6 69 77
70 Chapter 6 78
Chapter 6 71 79
72 Chapter 6 80
Chapter 6 73 81
74 Chapter 6 82
Chapter 6 75 83
X270 FRU List (91.3V401.006G) 84
Chapter 6 77 85
78 Chapter 6 86
Chapter 6 79 87
Chapter 6 81 88
82 Chapter 6 89
Chapter 6 83 90
84 Chapter 6 91
Chapter 6 85 92
86 Chapter 6 93
Technical Specifications 94
System Board Major Chips 96
System Memory 96
Hard Disk Drive 97
PCI Interface 97
SATA Interface 97
Keyboard and Input Devices 97
Optical Drive 98
Appendix A 92 99

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