While moving some things around I found the following: 7 M8588 Parity Check 6 M8591 Address Receivers 6 M8592 Port Address Interface 4 M8593 MG10 Data Registers 14 M8594 MG10 Data Transceivers All appear to be NOS. I also found : G103 Memory Levels & Gates G222 Memory Selector G223 Read/Write Drivers PDP-15 M911 Memory Bus CP Terminator Which I did not count, and they seem to be memory related, but I haven't checked to see which memory they are from. If you have any interest please contact me off list. Thanks, Paul