Thanks for the update Jim. I will try Al suggestion to play with the connection speed setting and if this doesn't work I will buy a new network card like you did.

>I have "solved" my problem by installing a new adapter ($10. + taxes).
>
>But I thought that I would describe everything (that I can remember) that I've encountered/tried in solving this:
>
>1) All was just fine when I took delivery of the system.
>One of the first things I did was to go to Windows Update. There were several critical updates that I installed, and under hardware (driver) updates it listed the Marvell Yukon. But at that time I decided to wait until I had thing installed before I fiddled with that one.
>2) After installing Office 2003, VFP 8 SP1 and a few other things, I decided now was OK to update the driver from Windows Update.
>I did this and after re-boot I got the network icon lower right (Systray) showing no cable connected! I pulled-replugged that cable a few times, but no joy. I installed the "Virtual cable tester" that comes with the Marvell Yukon but it couldn't see the cable.
>3) I did a Windows RESTORE POINT to before the driver update. Same thing - cable seemed to be UNplugged!!!
>So I went to the ASUS CD and installed the Marvell drivers from that. It seemed to work (no more 'disconnected'.
>4) Ran for several days just fine. Eventually, installed another software. After reboot for install, AGAIN "disconnected".
>5) I re-installed the driver from the ASUS CD and rebooted. All seemed well again.
>6) A couple of days later I installed more software. AGAIN disconnected on reboot. This time I tried another 'port' on the hub, but no joy. Then I tried another cable from that hub and I GOT A CONNECTION! So I put the original cable back and all was OK. BUT... next reboot, 'disconnected' AGAIN! This time I unplugged the same cable, waited a few seconds, and re-plugged. All was OK. Next reboot, SAME thing - 'disconnect'.
>7) So I went to ASUS site and downloaded latest driver from there. Installed it, rebooted, and 'disconnect' AGAIN!!!
>8) Changed the MTU setting a couple of times, but no joy (reboots after each, each with a 'disconnect' requiring physical disconnect, wait 2 seconds, then reconnect!!!
>9) Finally, I bought the $10. D-Link 10/100 Ethernet adapter, installed it, plugged in same cable and all seems fine now.
>
>It is worth mentioning again that everything EXCEPT IE (and FireFox, also downloaded during all this to try to isolate problem) was perfectly fine in its operation... Outklook mail receive/send was as fast/normal as ever, LAN operations were as fast/reliable as ever. Just web pages were BAD. They connected to site, started displaying, then just sat and sat with never a time-out!
>
>In summary, for $11.50 I think I've been rid of a major AGGRAVATION! I've left the Marvell installed/defined but simply have no cable attached to it.