### MP-519 EPROM checksum error

On an MP-30 system the checksum generated from EPROM contents did not match stored checksum. Possible causes are:

- EPROM chip failure.

- CPU board failure (data lines, address, decoding, etc.).

Refer to MP Error Codes for additional information.

What you should do

1. Note the address and location display on the MP.

2. If the error reoccurs, call your Giddings & Lewis service representative.