Dead Battery what to do now-help

Hi All
A friend has machine with windows 3.1 or maybe 3.11 and on bootup it says something about system configuration and to run setup and date and time setting, so I am presuming the battery is dead, they looked on motherboard and say there is no round slot that they can see so my question is - is there anyway I can get the information from the hard drive and if so I would appreciate step by step instructions as I am not familiar with such an old system, they are bringing it to me this afternoon for me to have a look for the battery.
Please if someone could help me to help them I would really appreciate it.
Thanking you all in advance
MissyMax

Battery was soldered onto m/m so they decided to scrap it. but thanks to those who looked.
MissyMax

The PC Guide
http://www.pcguide.com/ref/mbsys/mob...Battery-c.html

Quote:

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Battery

The PC uses a low-power battery to maintain certain information when the power is off; for example, your BIOS settings, the current date and time, and resource assignment for Plug and Play systems. This battery can take one of several forms:

• On many older PCs, it is a large rectangular box that is attached to the motherboard with wires, and often velcroed to the power supply inside the case.
  
  
• Some PCs use a battery soldered to the board that looks like a small cylinder or barrel. It is not generally detachable.
  
  
• Some PCs use a flat round watch battery in a metal holder.
  
  
• Some PCs don't appear to have a battery at all. In this case, the battery may be a lithium type that is within one of the other packages (typically the real-time clock package). It may also be an integrated rechargeable Nickel-Cadmium battery (sometimes called an "accumulator") that is recharged whenever the line power is connected to the machine. These batteries cannot be replaced, although they are rated for a long life (5 to 10 years).

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Hi Spyware Dr
Thank you for your reply, I had a look on the m/b and it looked as though the battery was soldered onto the m/b so they decided to just scrap it. I offered to try and retreive any info from the hard drive but they said it wasn't that important so they were going to put the hammer to it.
Thank you again for replying, much appreciated.
MissyMax

You're Welcome. :)