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Use synousbdisk -enum to locate the mount name in my case is sdu use the script sync; /usr/syno/bin/synousbdisk -umount sdu; >/tmp/usbtab enter in hdd configuration and set 10 minutes hdd hibernation, and check log entry. Disconnect from web interface and wait 10 minutes... Its working on default BIOS settings on 4.3. I only changed SATA speed to 3.0 Gbps and video memory to minimun. other BIOS settings I've tested and works: To enable top SATA port and HOT Plug. From the main screen go to ‘Chipset > Southbridge Configuration > SB SATA Configuration’ and make sure your settings are the same as below OnChip SATA Channel = Enabled OnChip IDE Type = IDE SATA IDE Combined Mode = Disabled SATA EPS on all PORT = Enabled SATA Power on all PORT = Enabled follow this link http://www.synology.com/en-us/support/faq/568 for other limitations Good luck.

With the scheduled startup disabled and BIOS mod everything works OK No problems with the LED for now. Thanks for the info.

Hello, first of all I apologize for my English. I hope this post can help more people having the same problems. Took 2 days reading post in the forum and testing in my n54l with XPEnology DS3612xs DSM 4.3 build 3810++ (repack v1.0) (Great Work) problems encountered bios corruption After much testing I have come to the conclusion that corruption changes occurring in different outfits, occurs when programming an automatic start. Automatic or manual shutdown does not reproduce the problem in my n54l. Corruption includes damage to the system time, reset the bios settings and even corruption that prevents booting (need reinstall original bios) Wake on lan It works by changing the mac and running the command ethtool -s eth0 wol g http://xpenology.com/forum/viewtopic.php?f=2&t=1353 http://xpenology.com/forum/viewtopic.php?f=2&t=665&start=10 HDD Spin Down / Hibernation THANKS for the script sync; /usr/syno/bin/synousbdisk -umount sdu; >/tmp/usbtab original post http://xpenology.com/forum/viewtopic.php?f=2&t=6&start=340 It is necessary to remove the USB pendrive for the disks enter in a state of hibernation (bug?) results: not working in original bios works with modified bios