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Acer Veriton 2800 Veriton 2800 Service Guide - Page 75

Power Good, 5V SBstand by +5V, 3VOnly for 24pins ATX, PS_ONsoft On/Off, 5Voptional

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ATX Illustration 13 1 24 12 PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Definition 3.3V 3.3V GND +5V GND +5V GND Power Good 5V SB(stand by +5V) +12V +12V 3.3V(Only for 24pins ATX) 3.3V -12V GND PS_ON(soft On/Off) GND GND GND -5V(optional) +5V +5V +5V GND 67 Chapter 5

Section	Page
Cover	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
TOC	6
System Specifications	8
Overview	8
Features	9
Block Diagram	12
Aspire L300 Front Panel	13
Veriton 2800 Front Panel	14
Aspire L300 Rear Panel	15
Veriton 2800 Rear Panel	16
Mainboard Layout	17
Hardware Specifications and Configurations	18
Power Management Function ( ACPI support function)	23
System Utilities	24
Entering Setup	25
Product Informatoin	27
Standard CMOS Features	28
Advanced BIOS Features	31
Advanced Chipset Features	33
Integrated Peripherals	34
Power Management Setup	38
PnP/PCI Configuration	40
PC Health Status	41
Frequency Control	42
Load Optimized Defaults	43
Set Supervisor/User Password	44
Save & Exit Setup	45
Exit Without Saving	46
Machine Disassembly and Replacement	47
General Information	48
Before You Begin	48
Disassembly Procedure	49
Opening the System	49
Removing the Add-On Card (AS L300 only)	49
Removing Cables	49
Removing the Front Bezel	51
Removing the HDD/ODD	52
Removing the Heatsink Module	53
Removing the Fan Duck	53
Removing the System Fan	53
Removing the Daughter Board	53
Removing the Riser Card	54
Removing the Mainboard	54
Removing the Memory	54
Removing the CPU from the MB	55
Removing the System Power	55
Troubleshooting	56
Power-On Self-Test (POST)	57
POST Error Messages List	63
Error Symptoms List	65
Undetermined Problems	70
Jumper and Connector Information	72
Connectors Introduction	72
ATX_12V/ATX(Power Connector)	74
FAN Connectors: CPU fan/ Sys fan	77
Rear Panel Connectors	78
Serial Port Connector	78
Front USB Connectors(FUSB1, FUSB2)	78
LAN(RJ-45) Jack	79
Parallel Port Connector	80
Connectors	81
Chassis Intrusion Switch Connector:	81
Serial ATA Connectors:	81
Front Panel Connectors: F_PANEL	81
F_AUDIO (Front Audio Panel Connector)	82
CD-In Connector:	83
Mic In Connector	83
Audio Line In Connector	83
Audio Line Out	83
IEEE 1394 Connectors:	83
Clear CMOS Button	84
FRU (Field Replaceable Unit) List	85
Exploded Diagram	86

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