added RAM now have to reset network adapter

Vista 64-bit Enterprise Edition - SP1 - All Patches Applied

I installed an additional 4 GB of RAM... well... pulled 4GB of PC6400 and
installed 8 GB of PC8500... NO BIOS or OS changes... No new software... same
chipset drivers, and so on... the ONLY problem I have is NOW... when my
system wakes from sleep, the network adapter is "disconnected" and has to be
reset before my internet service is restored...

NIC Driver Version: NVidia - 67.8.9.0 (as updated by Windows Update LONG
BEFORE this problem)

There's a WARNING in the event log but no error... My systems specs follow
the event log data below... help ? thoughts ?

Log Name: System
Source: Microsoft-Windows-Dhcp-Client
Date: 3/8/2009 2:42:40 PM
Event ID: 1003
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: VM-TIMB
Description:
Your computer was not able to renew its address from the network (from the
DHCP Server) for the Network Card with network address 00044B05C00E. The
following error occurred:
The semaphore timeout period has expired.. Your computer will continue to
try and obtain an address on its own from the network address (DHCP) server.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Dhcp-Client"
Guid="{15A7A4F8-0072-4EAB-ABAD-F98A4D666AED}" EventSourceName="Dhcp" />
<EventID Qualifiers="0">1003</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2009-03-08T18:42:40.000Z" />
<EventRecordID>44492</EventRecordID>
<Correlation />
<Execution ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>VM-TIMB</Computer>
<Security />
</System>
<EventData>
<Data>00044B05C00E</Data>
<Data>%%121</Data>
</EventData>
</Event>

CPU: QuadCore Intel Core 2 Extreme QX6700
MOTHERBOARD: EVGA NF680i - 122-CK-NF68-A1
O/S: Windows Vista Ultimate - 64 bit - SP1
RAM: 8 GB (4x2GB Sticks) OCZ OCZ2RPR10664GK R @ 5-5-5-18-2T
BIOS: P33
GPU: EVGA GeForce 8800 GTX (768 MB) Driver Version - 182.08
OC'd with Precision 1.4 to: Core Clock: 605 - Shader Clock: 1350 - Memory
Clock: 1075

CLOCKS AND VOLTAGES:

CPU - 3.1 @ 8x - 1.31875V
FSB - 1800 @ 1.4V
SPP - 1.50V
MCP - 1.55V
SPP <> MCP - 1.30V
RAM linked/synced @ 900 Mhz @ 2.1V