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Compaq Portable 640K U35 RAM Decoder PROM
Product Code: CompaqPortableU35SPLD
Product Description
SPLD-based replacement of the Compaq Portable RAM decoder PROM (U35).

The adapter PCB is arranged like that so the first slot isn't blocked due to the height of the socket+IC.

Allows 640K RAM (64+64+256+256) on the system board. With jumper for stock 256K mode (64+64+64+64).

Check the third picture to ensure you have the applicable Board Version 1.
You also need BIOS Revision C, in one or two chips.

Source files
$15.00 inc. tax
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Product Details
weight: 30g
Product Condition: New
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