These are the specs of the old server

AMD Opeteron(tm) Processor 875, 2.20 GHZ, 7.83 GB of RAM.

Disks: C: 33.9GB,

D: 67.8 GB,

V: 1.36 TB,

W: 169 GB

These are the specs of the new server

Intel(r) Xeon(tm) CPU 3.20 GHZ, 3.19 GHZ, 7.99 GB of RAM.

Disks: C: 68.2 GB,

D: 68.2 GB,

V: 683 GB,

W:683 GB

I'm not sure which max memory setting are you talking about, RAM?