I am a mojave user and now I want to update to Catalina, I am using imac 27 5k my question 1. What catalina version is safe to recognize my USB hard disk?
2. Is it safe for me to work using the latest catalina version?
3. I use a hard disk USB2, USB3 and Firewire and Thunderbolt, can catalina recognize the hard disk?
thank you
iMac 27″ 5K, macOS 10.14
FWIW…
You cannot run 32bit apps in Catalina.
thank you Dialabrain for the answer
yes right catalina only uses 64bit, thank you
Dialabrain : I would even make a stronger statement than your last "You cannot run 32bit apps in Catalina" When I upgraded from Mojave I had replaced using all my 32bit apps and sequestered them into a separate folder.... I did not delete them, nor in hindsight, I did not remove their launch agents, daemons, frameworks, etc... I was left with an Imac27 that experienced hard crashes, requiring hardware resets... (https://discussions.apple.com/thread/251610118)... I have eliminated the hard crashes in Catalina by meticulously removing the 32bit apps and their remaining crud... While I can not say directly that they were the cause of the hard crashes.... the correlation in my case is very strong... Therefore, I would say.... before upgrading to Catalina you should REMOVE any 32bit apps if you can and the detritus that they have spread throughout the system....
Mojave into Catalina, it's safe for work
