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Station X · 7th Oct 2018, 8:35 am

That's correct. The BIOS settings will have been configured at the factory. They've been lost though as the CMOS battery had gone flat. Actually it had swollen!

The application software runs under DOS and one of the files tells the application where to look for the built in keyboard etc. One of the buttons on the built in keyboard enables an external keyboard to be selected. However the external keyboard (which I don't have) has the same layout as the built in one.

Next step is to get a DOS prompt!

7th Oct 2018, 8:35 am	#6
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: 486 PC. Keyboard problem. That's correct. The BIOS settings will have been configured at the factory. They've been lost though as the CMOS battery had gone flat. Actually it had swollen! The application software runs under DOS and one of the files tells the application where to look for the built in keyboard etc. One of the buttons on the built in keyboard enables an external keyboard to be selected. However the external keyboard (which I don't have) has the same layout as the built in one. Next step is to get a DOS prompt! __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.