342-0133-A

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Video Character Generator ROM chip used in unenhanced Apple IIe and Apple IIc computer systems - Purpose: This chip serves as the character generator, responsible for storing the f ont and character set displayed on the screen. Compatibility: It is specifically the US-NTSC version of the video ROM. Chip Type: It is typically a 24-pin, 4KB (2732 series) ROM. System Role: In the unenhanced Apple IIe, this chip is part of the standard motherboard configuration. When users performed the "Enhanced" upgrade to their systems, this chip was replaced with part number 342-0265-A to enable "MouseText" characters and other graphical improvements Show more