This is an output of the show version command
cisco 2620 (MPC860) processor (revision 0x200) with
59392K/6144K bytes of memory.
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Now the router has 64MB of ram istalled
If I add up the two values it does not match 64mb
Can any one explain