Netgear WG311 PCI wifi card. Not PCI-E, or PCI-X
This is an installation of 32-bit WinXP, so no issue about moving to 64-bit XP.
Ghosted original XP-32 image, restored it to larger HD, then ran windows install, choosing to repair existing installation.
This did, in fact, work perfectly. It is only the fact that the Netgear card drivers are **** that caused problems.
I subsequently did a clean install of WinXP 32, and had exactly the same problem - until I removed the Netgear wifi card.
And no, I didn't have Windows and Netgear wifi managers running.
This isn't a problem looking for solutions - I know what the problem is, and what the solutions are - I just wanted to share the 3 days of pain!
SD