Had this system up and running for about a year and half. All was well until updated BIOS to 3301 last week. Problem was system continued to reboot without user intervention. Decided to downgrade to 3101, it too had experienced random reboots. Flashed the MB with 2001, which was loaded and had been stable since updated in March 2016. After the initial update from 2001 to 3301, the system experienced a fault in the BIOS where the second SATA 6 CD/DVD ROM drive could not be recognized. No matter what I did to correct the fault, nothing seems to work. Currently, the CD/DVD drives are both on the same data belt and are powered by Corsair AX1500i PSU.
This missing or BIOS identified as, "not installed" SATA device is a mystery to me. From what I can see, the option to disable / enable the SATA device is functional. In this case, whether setting the SATA to disable or enable concludes with the same results, which is "not installed".
Any suggestions or help in resolving this mystery would be great.
System Config-
Motherboard: ASUS RAMPAGE V EXTREME, Extended ATX x99 Motherboard , LGA 2011-V3 Socket, DDR4 3300Mhz+(OC)
PSU: Corsair AX1500i 1500 Watts ATX
CPU: Intel Core i7-5960X Haswell-E 8-Core 3.0GHz LGA 2011-v3 Processor
GPU: EVGA GTX 980 SC ACX 2.0 GDDR5 Graphics Card
Memory: DDR4 - 8 X 8GB Corsair DOMINATOR Platinum Series 64GB P/N: CMD64GX4M8A2400C14
Drv SSD: (2) x Intel 750 Series SSDPEDMW400G4R5 HHHL (CEM2.0) 400GB
Drv HDD: (6) X Seagate 6TB Desktop HDD (STBD6000100)
CD/DVD ROM Drive #1: ASUS BW-16D1HT
CD/DVD ROM Drive #2: LG WH16NS40
O/S: Windows 10 Pro 64 1511 (build 10586.753)
Audio: Logitech Z906 5.1 Sound System