Vista Wireless Performance Questionnaire

I'm getting poor performance with Windows Vista SP2 and ReadyNAS Duo. My ReadyNAS Duo has firmware: RAIDiator 4.1.6 [1.00a043].

0) Updated to Windows Vista SP1? SP1 contains a number of network changes that improved overall throughput with the ReadyNAS.

SP2

1) Tried changing MTU on ReadyNAS and laptop to 1492? Instructions on how to change Vista MTU at http://www.kitz.co.uk/adsl/vistaMTU.htm . A couple users had success keeping the ReadyNAS MTU at 1500 and switching Vista MTU to 1460.

I have tried and it is still slow.

2) What model of Wireless Router and firmware is being used?

netgear router DG834G V4.01.40

3) What Wireless Card model and firmware being used?

built in Intel wireless wifi link 5100

4) What connection speed are you seeing for Wireless Adapter (i.e. 54 Mbps)?

54 Mbps

5) What's the connection speed between ReadyNAS to Router (10/100/1000 Mbps) -- you can see this in FrontView's Network page.

100

6) What's the throughput from Windows XP to ReadyNAS and Vista to ReadyNAS? Both Machines at or near same location?

My home computers: Sony Vaio laptop with windows vista home premium SP2; apple powerbook macos 10.6, fujitsu siemens laptop windows XP home.

7) Whats the throughput from Windows XP to Vista?

OK

8) Does disabling firewall help? One user reported problem solved by disabling Symantec firewall.

No

9) Does uninstalling anti-virus help? One user reported problem solved by uninstalling CA anti-virus.

No, but I try only to disable Norton antyvirus.

10) Does enabling jumbo frames work? Several folks reported problem solved by enabling jumbo frames, and this also had the effect of speeding up wired transfers.

Doesn't help :(

11) Are you able to try another router? A couple users reported replacing current router/switch solved the problem.

I will try...