The issue you describe is different from the one other users have, since you mention that none of the other drives are detected at POST, this may indicate an underlying issue in other component of the PC.
No, the other drives are detected pretty fin...
I have a Zotac computer (ZBOX EI730+) with the latest bios (BIOS 4.6.5 07/23/2014) on which I decided to replace the internal slow HD with an Intel SSD 530 (SSDSC2BW240A4). AFAICT I have the latest firmware (DC32 according to hdparm).Symptoms: at boo...