of the memory will be filled with 00's and FF's. External links The Commodore CBM-II page — By Steve Gray — By Edward Shockley Under the Hood of the Commodore P500 — By Ullrich von Bassewitz The Commodore 500, 600 and 700 Computers — By David Viner Hires graphics-board — By Winfried Falkenhahn Michau's CBM-II page — By Michał Pleban Commodore 8-bit computers