Vista Beta disabled my network adapter -- under XP!

>I had a similar problem. I saw that the connection was not showing up in
>the
> device manager. For whatever reason, the ethernet adaptor was disabled in
> BIOS. Once I enabled it, everything seems to be OK.
>
> FYI, I keep switching between XP and Vista partitions through Partition
> Magic.
>
> "Michael A. Covington" wrote:
>

>> ASUS P4PE motherboard with Broadcomm Ethernet adapter on the motherboard.
>> Windows XP Pro. Installed Vista Beta on another partition of the hard
>> disk
>> and let the boot menu choose between them.
>>
>> The Ethernet adapter works find under Vista, but when I reboot (with or
>> without power-cycling) and go into XP, it reports "network cable
>> unplugged"
>> and the LED next to the Ethernet jack does not light.
>>
>> In desperation, I grabbed a D-Link PCI-bus Ethernet card from another
>> computer and installed it. The act of installing it seems to have
>> revived
>> *both* Ethernet adapters, at least under XP. Since doing that, I haven't
>> booted Vista.
>>
>> Any ideas? How on earth does Vista manage to disrupt hardware so it
>> can't
>> be used by the other OS?
>>
>> Under XP, I am using ASUS's latest Broadcomm driver, which dates from
>> 2002.
>> I have no idea what driver Vista is using; perhaps one that is radically
>> different. Is there any news about Broadcomm drivers in some place I
>> haven't looked? Would whatever driver Vista uses also work under XP?
>>
>>
>>
>>

> ASUS P4PE motherboard with Broadcom Ethernet adapter on the motherboard.
> Windows XP Pro. Installed Vista Beta on another partition of the hard
> disk and let the boot menu choose between them.
>
> The Ethernet adapter works find under Vista, but when I reboot (with or
> without power-cycling) and go into XP, it reports "network cable
> unplugged" and the LED next to the Ethernet jack does not light.