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I installed a new SSD and DVD drive the other day. Now I have 4 hard drives (3 on the SATA2 controller and 1 on the Intel SATA3 controller), 1 optical drive (on the SATA2 controller), and 1 SSD (on the Intel SATA3 controller) installed. I previously did not use the SATA3 controller. I have the Marvell controller disabled to speed up boot times (and because it's garbage). I did a clean install of Windows 7 SP1 on the SSD, and applied all updates as well as the latest version of RST from ASUS. I'm using AHCI mode. I have the latest Intel chipset drivers and latest BIOS (1101) for my board.

For the mechanical drives, I have 2 WD Black drives, 1 WD Green, and 1 Seagate 10th gen. One of the Blacks is on the SATA3 controller.

(Yesterday)
Anyway, after I installed RST and rebooted, I noticed one of my WD Blacks was not appearing under "My Computer." I checked in the RST app, and it showed "internal empty port 4". I rebooted and the drive was visible again. I don't recall if it was listed on the POST screen when booting the first time, but I checked the BIOS when I rebooted the second time, and the drive was visible. I thought nothing of it, and the drive hasn't disappeared again.

(Today)
Just a few minutes ago, I was deleting some files off my other WD Black, and my computer suddenly froze. The music I had playing started looping. I figured the system was going to do a reboot or I'd have to do a hard shutdown, since my screen had gone blank (lost signal) and stayed that way for a good 15 seconds. But all of a sudden, everything unfroze and my display came back. The delete bar was stuck at the half way point, so I canceled it. I checked in "My Computer," and the drive I was deleting from wasn't there. Again, this was not the same drive that had disappeared last time. I checked the event viewer and had "event 51" messages for like an entire visible screen. Paging error. There were also two "the device is not ready for access yet" messages. No program could see the drive. The RST app reported "internal empty port 0" where this drive should have been listed. I'm assuming port 0 is on the SATA3 controller, since my SSD is port 1. This means the other drive that vanished before was on the SATA2 controller. I rebooted and everything has been fine since. All my drives were listed in the POST screen readout.

I scrolled through the event viewer logs, and found the same types of messages were written when my other drive had disappeared. Not sure if these messages are even significant.

The drives in question have around 20,000 hours each (they were bought at the same time). Neither has given me problems in the past, and SMART is good for both. The fact both had almost the same problem in like 24 hours suggests something else is the cause. I've never bothered to install RST before. The board is around 3 months old and has similarly been trouble-free.


Kind of a long-winded post, but I thought I'd just throw everything out there to begin with. Does anyone have any ideas what happened/might happen again?

Posted under motherboards because I assume it is the controller(s) or its driver.


tldr:
Drives disappearing. Event 51 messages in event viewer. Drives appear again after reboot. Two isolated incidents. One on the SATA3 controller, one on SATA2.
My System
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.7 ASUS P8Z68-V Pro Gigabyte GTX 470 Mushkin 4x4GB DDR3-1600 
Hard DriveHard DriveOptical DriveCooling
2x WD Blacks, 1x WD Green OCZ Vertex 3 120 Samsung SH-S243D Corsair H100 
OSKeyboardPowerCase
Windows 7 Logitech G15 Corsair TX650W Cooler Master HAF932 
MouseMouse PadAudioAudio
Logitech G5 Steelseries QCK Realtek ALC892 Audio Technica M50 
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My System
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.7 ASUS P8Z68-V Pro Gigabyte GTX 470 Mushkin 4x4GB DDR3-1600 
Hard DriveHard DriveOptical DriveCooling
2x WD Blacks, 1x WD Green OCZ Vertex 3 120 Samsung SH-S243D Corsair H100 
OSKeyboardPowerCase
Windows 7 Logitech G15 Corsair TX650W Cooler Master HAF932 
MouseMouse PadAudioAudio
Logitech G5 Steelseries QCK Realtek ALC892 Audio Technica M50 
  hide details  
Reply