The power supply could be going bad - it's a 160watt PS, and that's quite low.
I just replaced the old one with a 250 watt PS and it's humming away.
The orange light in the front is a good indicator that either the floppy or the other drives may not be connected properly.
what are the oldest 4 types of motherboards
This could vary as there are a number of motherboards that have that number. It would be better to find this information either from your computer's manufacturer (for example Dell or Gateway) or by looking up the Intel AA (altered assembly) number.
AnswerIt could be a number of different types of RAM as there are a number of motherboards that have that number. It would be better to find this information either from your computer's manufacturer (for example Dell or Gateway) or by looking up the Intel AA (altered assembly) number.
It could be a number of different chipsets as there are a number of motherboards that have that number. It would be better to find this information either from your computer's manufacturer (for example Dell or Gateway) or by looking up the Intel AA (altered assembly) number. Please have a look at this page to help you find the Intel number: http://www.intel.com/support/motherboards/desktop/sb/cs-009009.htm If you are interested in what this number means you can look it up at http://database.ul.com