I had a similar problem, Vcore was too low:

Problem

http://bbs.wenxuecity.com/computer/218655.html

Reason and Solution

http://bbs.wenxuecity.com/computer/218669.html

所有跟帖： 

• Thanks for your suggestion. How did you find 1.2v? random guess? -yanif- ♂ (231 bytes) () 03/21/2016 postreply 11:03:05

• what I did was to start at 1.282v and -yanif- ♂ (0 bytes) () 03/21/2016 postreply 11:04:19

• Trial and error. -LAChinese- ♂ (87 bytes) () 03/21/2016 postreply 11:10:25

• The Asus z97 MoBo has three mode of Vcore: adaptive, offset, and -yanif- ♂ (158 bytes) () 03/21/2016 postreply 11:25:25

• It's a Shuttle Zen XPC ST62K, very old compact computer. -LAChinese- ♂ (290 bytes) () 03/21/2016 postreply 12:42:45

• 我也有一个，全铝机箱模块设计，样子很Q奔4到头了，跑跑98和千禧班还成 -Oneshotkill- ♂ (0 bytes) () 03/21/2016 postreply 13:41:07

• This version, Zen XPC, came out at 2004. I think the installed O -LAChinese- ♂ (94 bytes) () 03/21/2016 postreply 14:14:35

• :-D -Oneshotkill- ♂ (0 bytes) () 03/21/2016 postreply 14:21:16