http://cgi.ebay.co.uk/Dell-GX110-So...6861768792QQcategoryZ4614QQrdZ1QQcmdZViewItem is this compatible with an intel celeron sl656 1.2ghz cpu
Its not an AT psu, but it might use that extra connector (not the +12v one) that you get with ATX PSU's. But anyway, that board will not fit in an ATX case.