I've just been upgrading an old QL from JM ROM to JS ROM and 
accidentally broke one of the keyboard membrane tails.

This QL has been in use from 1984 without a single change of keyboard 
membrane (although it's only had light use in the last 3 or 4 years). 
Is this some form of record, nearly 22 years from a single keyboard 
membrane?

After inserting the JS ROM I noticed that pin 1 was missing on the 
base (0000) JS ROM. The QL still seems to work OK, which implies it's 
probably an unused pin - anyone know?

                   +----v-----+
this pin -> |                |

-- 
Dilwyn Jones



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