The memory chips used to expand the old Macintosh II Video Card from 4-bit to
8-bit are not standard 64K DRAMs. VRAMs made by NEC were used on the board
(part numbers: D41264C-12). The "-12" in the part number indicates that the
chips have a 120ns rating.
Companies that sell these chips include:
* The Chip Merchant
* SHECOM COMPUTERS
* Peripheral Outlet
To locate a vendor's address and phone numbers, use the vendor name as a
search string.