Expansion Port Cover Mac IIcx, IIci, Quadra 650 – 700, Power Mac 7100 $6.00 This is what you remove if you add a card to one of the slots. Expansion Port Cover Mac IIcx, IIci, Quadra 650 - 700, Power Mac 7100 quantity Add to cart Add to Quote Continue Shopping Category: Case & Internal Parts (Macintosh) Tags: port, port cover Description Apple number 815-6035 or 810-6035. Expansion Port Cover for the Macintosh IIcx, IIci, Quadra 650, 700, and Power Mac 7100.