copy of the 4 eproms on the HP8665A cpu board HP number 1818-3929 AMD number 27C1024 read with Unisite, code #16 absolute binary checksums and labels U31 checksum 009672F6 label 08665-87902 3018-U31 U32 checksum 00A61433 label 08665-87903 3018-U32 U33 checksum 00B2BBE1 label 08665-87904 3018-U33 U34 checksum 004C602B label 08665-87905 3018-U34 regards Peter, PE1DTN