Asus a7n8x Support Question
Asus a7n8x Support Question
Find answers below for this question about Asus a7n8x.Need a Asus a7n8x manual? We have 2 online manuals for this item!
Question posted by banum on December 24th, 2012
My Computer Does Not Power Up. I Have Checked The 20 Pin Plug And All Voltages
are ok. I have jumped out pin 15 and 16 and the power supply comes on. The blue led is on at the front. When I plug the connector and apply power the power supply does not come on.
Current Answers
Answer #1: Posted by cljeffrey on December 27th, 2012 11:42 AM
cljeffrey
Member since:
July 17th, 2012 Points: 1,054,453
Member since:
July 17th, 2012 Points: 1,054,453
Here is a link that you can try to see if you can get your PSU to power on again.
http://www.techpowerup.com/forums/showthread.php?t=30263
http://www.techpowerup.com/forums/showthread.php?t=30263
Related Asus a7n8x Manual Pages
Motherboard DIY Troubleshooting Guide - Page 1
Motherboard
A7N8X
User Guide
Motherboard DIY Troubleshooting Guide - Page 6
...disconnect all cables are correctly connected and the power cables are connected. Operation safety
• Before installing the motherboard and adding devices on a stable surface. ...power company.
• If the power supply is set to the correct voltage in any damage, contact your dealer immediately.
• To avoid short circuits, keep paper clips, screws, and staples away from connectors...
Motherboard DIY Troubleshooting Guide - Page 9
...A7N8X specifications summary
CPU Chipset Front Side Bus (FSB) Memory
Expansion slots IDE Audio (optional) LAN (optional) Special Features
Back Panel I/O Ports
Internal I/O Connectors... 2.0
1 x USB 2.0 connector supports additional 2 USB 2.0 ports (optional) Game connector CPU/Power/Chassis FAN connectors 20-pin ATX Power connector IDE LED connector, Power LED connector Chassis Intrusion, SM Bus, ...
Motherboard DIY Troubleshooting Guide - Page 12
...'s Manual ASUS Game port module ASUS 2-port USB bracket (optional)
1-2 This motherboard is loaded with the list below.
1.2 Package contents
Check your ASUS A7N8X package for the following items.
ASUS A7N8X motherboard ATX form factor: 12 in x 9.6 in
ASUS A7N8X series support CD 40-pin 80-conductor ribbon cable for UltraDMA/66/100/133 IDE drives Ribbon...
Motherboard DIY Troubleshooting Guide - Page 14
...; 3000+ processors.
2 NorthBridge Controller. The power supply must have at 800MB/sec to communicate with the highest bandwidth and lowest latency currently available. ITE IT8708 offers support for more information)
8 South bridge controller. The NVIDIA® nForce2™ SPP (Ultra 400) North Bridge controller chipset. This standard 20-pin connector connects to a COM2 port.
11...
Motherboard DIY Troubleshooting Guide - Page 15
... red LED lights up if there is a standby power on the system power.
18 LAN chip. This Mic (pink) jack connects a microphone. 26 USB 2.0 ports. This purple 6-pin connector is an AC'97 compliant audio CODEC designed for connecting USB devices such as a mouse and PDA.
29 PS/2 keyboard port. ASUS A7N8X Motherboard
1-5 This 25-pin port connects...
Motherboard DIY Troubleshooting Guide - Page 16
...Motherboard layout
PS/2
T: Mouse B: Keyboard
USB3 USB4
COM1
24.5cm (9.64in)
KBPWR1 USBPWR_34
Socket 462
CPU_FAN1
ATX Power Connector
DDR DIMM1 (64/72 bit, 184-pin module) DDR DIMM2 (64/72 bit, 184-pin module) DDR DIMM3 (64/72 bit, 184-pin...Pro)
AGP_WARN1
PCI 1
PCI 2 ® A7N8X
PCI 3
nForce2 MCP
Chipset
CR2032 3V Lithium Cell CMOS Power
CLRTC1
2Mb BIOS
Super I/O
USB56
COM2
MODEM1
...
Motherboard DIY Troubleshooting Guide - Page 17
... strap or touch a safely grounded object or to a metal object, such as the power supply case, before handling components to avoid touching the ICs on this indicator while orienting the CPU. ASUS A7N8X Motherboard
1-7
Before you install motherboard components or change any motherboard settings.
1.
Failure to do so may cause severe damage to support all the...
Motherboard DIY Troubleshooting Guide - Page 19
.../2 Compatible Mouse Port
13
Numeric Data Processor
14*
Ultra ATA Controller
15*
Secondary Ultra ATA Controller
*These IRQs are free for this motherboard
PCI slot 1 PCI slot 2 PCI slot 3 PCI slot 4 ...® A7N8X
A7N8X Accelerated Graphics Port (AGP8X)
20-pin bay Rib (inside slot)
TOP VIEW 28-pin bay
Rib
ASUS A7N8X Motherboard
1-9 shared - - -
1.8.3 AGP slot
This motherboard has an...
Motherboard DIY Troubleshooting Guide - Page 20
... provide at least 2A on the motherboard.
1.
USBPWR_12 USBPWR_34
12
23
® A7N8X
A7N8X USB Device Wake Up
+5V (Default)
+5VSB
USBPWR_56
1 2
+5V (Default)
2 3
+5VSB
2. The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. USB device wake-up (3-pin USBPWR_12,USBPWR_34,USBPWR_56)
Set these jumpers...
Motherboard DIY Troubleshooting Guide - Page 21
... setup
to [2-3] momentarily. Keyboard power (3-pin KBPWR1)
This jumper allows you press a key on the +5VSB lead, and a corresponding setting in CMOS. KBPWR1
12
+5V (Default)
23 +5VSB
® A7N8X
A7N8X Keyboard Power Setting
ASUS A7N8X Motherboard
1-11 Turn OFF the computer and unplug the power cord. 2. This feature requires an ATX power supply that can supply at least 1A on...
Motherboard DIY Troubleshooting Guide - Page 22
.../100/66 cable. Pin 20 on the UltraDMA cable connector. For UltraDMA/133/100/66 IDE devices, use an 80-conductor IDE cable.
® A7N8X
A7N8X IDE Connectors
SEC_IDE1 PRI_IDE1
NOTE: Orient the red markings (usually zigzag) on the motherboard.
1. Connect the cable's blue connector to the primary (recommended) or secondary IDE connector, then connect the gray connector to the UltraDMA...
Motherboard DIY Troubleshooting Guide - Page 23
... plugs from the power supply are designed to disable or enable the keyboard power up function. If you set to [2-3] you to fit these connectors in the future, make sure that can provide 8A on the +12V lead and at least 1A on the +5-volt standby lead (+5VSB).
ATX power connectors (20-pin ATXPWR1)
These connectors connect to PIN 1
® A7N8X
PIN 1
A7N8X Floppy...
Motherboard DIY Troubleshooting Guide - Page 24
4. GAME/MIDI connector (16-1 pin GAME1)
This connector supports a GAME/MIDI module. The GAME/MIDI port on the back panel are inadequate, one USB header is available for playing or editing audio files.
+5V J1B2 J1CY GND GND J1CX J1B1 +5V
® A7N8X
A7N8X Game Connector
GAME1
MIDI_IN J2B2 J2CY
MIDI_OUT J2CX J2B1 +5V
1-14
Chapter 1: Motherboard Information
USB...
Motherboard DIY Troubleshooting Guide - Page 25
...
+5Volt (Power Supply Stand By) Chassis Signal Ground
® A7N8X
1
A7N8X Chassis Open Alarm Lead
ASUS A7N8X Motherboard
1-15 When you wish to the fan connectors on the fan connectors!
7. Connect...place jumper caps on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector.
Chassis intrusion connector (4-1 pin CHASSIS1) This lead is for...
Motherboard DIY Troubleshooting Guide - Page 26
... disk connector (2-pin IDELED1) This 2-pin connector connects to the primary or secondary IDE slots. 8. A7N8X IDE Activity LED
10.
Front panel audio connectors (10-1 pin FP_AUDIO1) This is turned off. WARNING1
® A7N8X
A7N8X Onboard LED
1-16
ON
Incorrect AGP Card
OFF
Correct AGP Card
PWR_LED1
ON
Standby Power
OFF
Powered Off
Chapter 1: Motherboard Information The red LED lights...
Motherboard DIY Troubleshooting Guide - Page 27
... module that allows digital instead of analog sound input and output. PWRTMP1
® A7N8X
PWRTMP
Ground
A7N8X Power Supply Thermal Connector
13. Digital Audio Connector (6 pin SPDIF1) (optional) This connector is for the power supply. GND GND
1
SPDIF1
® A7N8X
SPDIF_IN +5V
SPDIF_OUT
A7N8X Digital Audio Connector
When you to impede sound output from sound sources such as a CD-ROM...
Motherboard DIY Troubleshooting Guide - Page 29
... system OFF.
16. Pressing the power switch while in which system activity is instantly decreased to save power and to expand the life of certain system components.
• Reset Switch (2-pin RESET)
This 2-pin connector connects to the system power LED. System panel connector (20-pin PANEL1) This connector accommodates several system front panel functions. ASUS A7N8X Motherboard
1-19
Motherboard DIY Troubleshooting Guide - Page 34
...check the new BIOS file and asks the user to program (flash) the new BIOS file to flash the new Bios file. Type a file name for the old bios and then press . NOTE: Do not shut off system power or unplug the supply... during the flash process.
2-4
Chapter 2: BIOS Setup The AWDFLASH program backsup the file.
7. Type and Press to the motherboard.
8. ...
Motherboard DIY Troubleshooting Guide - Page 37
...- (minus)
Page Up and + (plus)
Function Description
Displays the General Help screen Jumps to the Exit menu or returns to the main menu from a sub-menu Selects the...of vital components, including voltages and fan
speeds. SECURITY Use this menu to exit the current menu or to the advanced
features, including BIOS, Chipset, Peripheral, Power and PnP/ PCI configurations...ASUS A7N8X Motherboard
2-7
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