Thanks KameleON, I tried installing yesterday with
Loader version: Jun's Loader v1.04b
DSM: DSM 6.2.3-25426
Additional module extra.lzma, extra.2lzma: NO
Bare Metal
CPU: Intel i7
RAM: 8GB DDR3
Hard disk: 1 x 1 TB (will try later with 2 disk)
I could find the ds on find.synology.com but while installing it would stop at 56% and come with error 13. file corrupted.
I have tried different USBs with new vid and stuff and also older .pat file for 6.2.2 as well same results.
any idea how to fix this ? thanks