IBM 51xx Memory Expansion Card / KOUWELL / KR-513A
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Introduction

This memory expansion card from KOUWELL is a pure expansion card. It can be used to expand the classic IBM PC/XT 5150 and 5160 by up to 384 KByte. Simply set the start address and the additional memory on the card. That was it. Afterwards you only have to set the total memory on the IBM mainboard and off you go.

256KB MEMORY CARD
256KB MEMORY CARD

Bank 0 is equipped with 41256 chips and banks 1 and 2 with 4164 chips.

Manuals