EMULATOR III - Version 2.0
EPROM type: 27128B
Label: IP381A EMU SYSTEMS 4088
Location: Lower left corner of the CPU board

EPROM type: 27128B
Label: IP380A EMU SYSTEMS 4088
Location: To the right of the previous EPROM

1. Do not use 27C128, use 27128, without the "C"
2. The EPROMs should have an access time (in nanoseconds) suffix like : -60 or -80

Any higher value than 80 will not work!