How to solve the problem System Halted on Asus P5 Series

[Vahab Hemmati]

in this article , we are going to show you how to solve system halted problem in Asus P5 motherboard series .

first of all lets get clear about if this is a bios issue or hardware issue :

this is not just a bad BIOS flash or corrupt CMOS settings, as it would go away once after resetting CMOS,
so its obvious that the problem is hardware issue.

now when we know what exactly is the issue about, we going to do 3 steps for solve the problem :

• Follow directions in pictures
• Clear CMOS
• Power board up, redo all BIOS settings

i will attach the pictures below in attachment part for the instruction .


now lets see how to do these instructions when your board is similar but the components are just in different positions :

you need to Follow these directions to find it if your board differs :

1. Remove jumper cap from chassis intrusion connector (if you're reading this, you already found it's of no use anyway).
2. With the board powered ON, measure with your voltmeter and find the pin of the chassis intrusion switch connector that has somewhere between 1.7v and 3.3v on it.
3. Disconnect board from PSU.
4. Use continuity tester function of your DMM and probe on the SOT23 transistors next to the super IO controller, you should find it beeps on one of them.
5. Power the board back ON and find a 3.3v supply nearby
6. Power board OFF, remove transistor, solder drain connection (it's gonna be the single pad, just like it looks in the picture) to 3.3v supply.

"good luck"