The memory we are concerned with is the free Program Memory as that's the RAM. On the newest Mogul ROM, the OS eats up 16.54MB of the RAM out of the box. This leaves us at 47.46mb which other services, apps, cache, pagepool, etc have to use. Apparently the default uses about 20MB leaving us with about 25mb after a hard reset.
Either through HTC or a custom ROM, I believe more available program memory (RAM) could be left available. Case in point, the Palm Treo. It has 64mb just like the Mogul, but has more available after a hard reset.
EDIT: I took this info from several sources on the Internet regarding memory usage on a Treo 750. Looks like its not just a HTC thing as Palm can't even get WM6 to give up much free RAM (28.04MB).
Treo 750 w/leaked WM6 ROM
TOTAL..... 48.67 MB
IN USE..... 20.63 MB
FREE.....28.04 MB
OS Program Memory: 15.33 MB
Treo 750 w/WM5
TOTAL..... 49.27 MB
IN USE..... 17.48 MB
FREE..... 31.79 MB
OS Program Memory: 14.73 MB
The latest version of the 6800 ROM uses 16.54MB RAM for the OS which is pretty close to the 750 w/WM6. If we can build a custom ROM up to Palm's standards, the best we can expect is 3 or 4MB more usable program memory/ram.
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