I bought the Z87X-UD5H mid last year, I was initially having the '4 DIMM memory issue' (as someone else has described here http://forum.giga-byte.co.uk/index.php/topic,13267.0.html). As I didn't want to go to trouble of replacing the motherboard at the time I just used it with 2 ram sticks and the computer was useable (there were 2 issues:
1 - when powering on, the debug LED would show code 99 (Super IO initializion.) and get stuck, had to restart using hardware button to start computer.
2 - when shutting down windows, sometimes had to hold down power button to turn off computer as it did not shutdown, i.e. display was off but internal components were still on - this was mostly an issue after extended use of the system).
I have recently updated the BIOS to version F9 as several sources mentioned it fixed the 4 DIMM memory issue. So far after 2 weeks of use, I've had no BSODs while using 4 DIMMs of RAM, but the F9 update introduced a different issue.
CURRENT ISSUES:
1 - After shutting down the computer I am unable to turn on the computer on without disconnecting power off for 5-10 seconds (Video of problem: https://www.youtube.com/watch?v=0BL3T6kpdvI&feature=youtu.be)
2 - After computer is turned on using the above step, sometimes it will turn off or restart again. There is no consistent debug LED message, the two I observed were 97 (Console Output device connect) and D6 (I think, No Console Output devices are found).
3 - When trying to determine if the 4 sticks of ram was causing the above problems, I was unable to load the computer into an OS with just 2 sticks of RAM; the PC always shutdown (current issue #2)
Any ideas on this or anyone else having the same problem?
Specs:
Recent Hardware/Software changes:
1 - when powering on, the debug LED would show code 99 (Super IO initializion.) and get stuck, had to restart using hardware button to start computer.
2 - when shutting down windows, sometimes had to hold down power button to turn off computer as it did not shutdown, i.e. display was off but internal components were still on - this was mostly an issue after extended use of the system).
I have recently updated the BIOS to version F9 as several sources mentioned it fixed the 4 DIMM memory issue. So far after 2 weeks of use, I've had no BSODs while using 4 DIMMs of RAM, but the F9 update introduced a different issue.
CURRENT ISSUES:
1 - After shutting down the computer I am unable to turn on the computer on without disconnecting power off for 5-10 seconds (Video of problem: https://www.youtube.com/watch?v=0BL3T6kpdvI&feature=youtu.be)
2 - After computer is turned on using the above step, sometimes it will turn off or restart again. There is no consistent debug LED message, the two I observed were 97 (Console Output device connect) and D6 (I think, No Console Output devices are found).
3 - When trying to determine if the 4 sticks of ram was causing the above problems, I was unable to load the computer into an OS with just 2 sticks of RAM; the PC always shutdown (current issue #2)
Any ideas on this or anyone else having the same problem?
Specs:
GA-Z87X-UD5H (http://www.gigabyte.com/products/product-page.aspx?pid=4483#ov)
Intel Core i7 4770K
Gigabyte Radeon HD7950 3GB (factory overclocked version of: http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414)
G.Skill Ripjaws X F3-10666CL7Q-16GBXH (http://www.gskill.com/en/product/f3-10666cl7q-16gbxh)
Antec Neo Eco 620c (http://www.amazon.com/Antec-Bronze-NEO-ECO-620C/dp/B004HC9CFG)
3x segate HDD, 1x intel SSD, 1xBRRW
Recent Hardware/Software changes:
Updated Bios to F9 (as mentioned above)
Duel boot setup - to 2x Windows 8.1
Added new monitor (ASUS MX299Q), using mini-display port as primary output from GPU (used to be HDMI)
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