The gpu_mem_xxx options have precedence over gpu_mem, so your 320 setting will be ignored.
However you should get 256M on a Pi2/Pi3 (which has 1024M total) and 160M on Pi1 (with 512M total).
Are you using a Pi1, Pi2 or Pi3?I'd suggest you comment out (insert a # at the start of line) the gpu_mem_256, gpu_mem_512 gpu_mem_1024 lines, and just insert "gpu_mem=256" at the end of the file.
You can run (after rebooting):
vcgencmd get_mem arm
vcgencmd get_mem gputo confirm the setting has worked.
Hi,
Thanks.
Hi, I'm using both Pis 2 and 3. I did as you suggested and confirm that it is now changed. I will monitor the situation and see if it as any affects on my issues.
Also I have solve one where the "working..." gets frozen on screen. Under Systems/System in Video Output, Disabling "Vertical Blank Sync" seems to stop it and maybe enableven for "Always Enable". But enabling it just for "During video playback" causes the Working to freeze on screen.
Thanks again.