disk0 in lower bay, SSD upgradeMac Mini MD389 Late 2012, came with 2 x 1T HDD. OS is installed on disk0 (HDD1 in lower bay), other stuff - almost empty driv...
Answer to: disk0 in lower bay, SSD upgradeThe upper meant when mini placed in normal position, the one next to the metal cover, the lower is at bottom next to the fan. To REPLACE lower bay required no disassemble mother-board and power unit. OS X is installed to disk0 and old 1T spinning HDD is taken out. Much faster and quiter!