Thanks for that, I've used this on our newer cards that I have the disks for.

My set up is:

Thin Ethernet, BNC
43 NT workstations,
1 PDC, 1 BDC - NT Server
1 repeater, 260m of cable

Recently the network has been going slow and occasionally stopping (timing out on a reoccurring ping or sometimes just missing 1 or two then coming back or just erratic time loops)

The network cards that I have installed since I got here I have the installation disks for, the 25 that were here before me I don't have anything for .

So having tested the repeater, cable, and all the new cards I'm still having no joy.

This all makes me think that I may have a jabbering network card on one of the older machines but I can't see how to test their performance without the software. (Most also seem to be unbranded! )

Can anybody point me in the right direction?