Check the listing for details. Vintage Compaq Armada 3500 External Floppy Disk Drive FDD Adapter Cable. Condition: Used. Listed at 18.00 USD. Compaq Armada 3500 External Floppy Disk Drive Adapter Cable Compaq Armada 3500 External Floppy Disk Drive Adapter Cable For auction is a Compaq Armada 3500 External Floppy Disk Drive adapter cable. This cable allows you to attach a floppy diskette drive externally while having an optical drive in the laptop at the same time. This item is in excellent condition and warranted non-DOA. See my other auctions for other quality laptop equipment. Happy bidding! Dropped or otherwise abused your OmniBook? I stock the most commonly broken or lost OmniBook small parts, let me know if you don't find what you need in my other auctions. Check out my eBay feedback, I am a reputable eBay Seller. Packing and Shipping to USA is detailed below.