Acer :: Revamp Of CPU Upgrade For 4620Z

Revamp of this thread.
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my question is 7 part
1. can i upgrade the cpu to one or all of the 5 directly below these questions?
2. If so what Sodimm DDR2 Ram DDR2 533 or 667 or 800 MHZ For each CPU?
3. Can the notebook FSB run at all 3 533, 667 or 800Mhz ?
4. What is Max Ram size at the available upgrade CPUs ?
5. What is Max Ram Size at current T2370 (1M Cache, 1.73 GHz, 533 MHz FSB)?
6. Confirm the OS for the system should be 64bit not 32 bit?
7. the OS says its a 965 chipset yet link one says 960 and link 2 below says 960/965 chipset ?

Intel® Core™2 Duo Processors
T7100 (2M Cache, 1.80 GHz, 800 MHz FSB) I assume DDR2 800 mhz @ 4GB
T7300 (4M Cache, 2.00 GHz, 800 MHz FSB) I assume DDR2 800 mhz @ 4GB
T7500 (4M Cache, 2.20 GHz, 800 MHz FSB) I assume DDR2 800 mhz @ 4GB
T7700 (4M Cache, 2.40 GHz, 800 MHz FSB) I assume DDR2 800 mhz @ 4GB
T2390 (1M Cache, 1.86 GHz, 533 MHz FSB) I assume DDR2 533 mhz @ 4GB

ok heres why im so confusde
Every thing is contradicting itself from the notebook itself stating its a Intel® Pentium® Processor T2370 (1M Cache, 1.73 GHz, 533 MHz FSB)

and the documents for this notebook on your site is contradicting to each other and the notebook labels/cpu inside it.....................