Possible Clues:

• Chaps mostly come to either section of my computer store
• Something recalled; part of computer
• Mental retention
• Store - in a computer - lines following brief note
• Mental faculty; PC chip
• One won't remember losing it
• Retentiveness
• Part of ROM
• One of the 10 26 harassed my role model, externally
• Song sung by Grizabella the Glamour Cat