Photo of the MSX Hard Catalog, showing the Sanyo Wavy3 page. "The sight of three cartridges inserted is spectacular Sanyo WAVY3. The WAVY3 is an MSX-standard personal computer released by Sanyo Electric. At first glance, the design itself is quite ordinary for an MSX: a silver-colored, keyboard-integrated body. Looking at the catalog specs, the back seems a bit sparse due to the lack of a printer port, and the 16KB main memory isn't particularly unusual either. However, this machine possesses a unique feature found on no other MSX: three cartridge slots lined up on the top of the unit. It's an MSX computer with three slots! Each of these slots is a primary slot, and each can be expanded up to four slots. If you're so inclined, you can utilize up to 3 × 4 = 12 slots. Moreover, above the cursor keys is a slot select button, allowing you to switch which slot is active. By using this wisely, you can build and switch environments tailored to specific tasks: Slot A for kanji ROM + word processor cartridges, Slot B for memory expansion + music cartridges, Slot C for communication-related cartridges... and so on. This setup promises to deliver the ultimate MSX environment."
The four buttons are used to change the primary slot.
Yesterday, I saw a Sanyo Wavy3 at the #MSXMalagaMeeting owned by @fiteblog.bsky.social, and it's a fascinating #MSX. (I forgot to take photos)
It's an MSX computer with three slots! *Each of these slots is a primary slot*, and each can be expanded up to four slots.
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