Dreamcast VMU, meet iPod

We’d bet you never had a Dreamcast Visual Memory Unit, but if you can find one now it can be turned into an iPod (translated). The VMU was originally a memory card for the not-so-popular gaming console that put an LCD screen right in your controller. When you weren’t at home you could take it with you and play mini-games. This version lacks its original guts, which have been replaced with a 6th generation iPod nano. The screen is just a bit small for the opening so a frame of white tape was applied as a bezel. The sleep button has been extended through the cover for the VMU connector. It seems there’s a gaping hole in the back of the case, but after seeing the ultrasonic knife used to cut away the plastic we don’t care. We’ve embedded video of that tool after the break.

[via Reddit]


  1. UltraMagnus says:

    Let me be the first to ask, where can you buy one of those vibroscalpels?

  2. Wow. I loved my dreamcast!

  3. ear0wax says:

    That looks more like a hot knife, look at the plastic in the first cut, its melting.

  4. MS3FGX says:

    “We’d bet you never had a Dreamcast Visual Memory Unit”

    Speak for yourself. I used to wear mine around my neck when I went out.

  5. mowcius says:

    ear0wax. That’s because the blade is vibrating very very quickly which heats up the plastic.

    Another note. That is the best use of one of those new nano thingies I have seen yet. Never could quite work out what they are good for. :D


  6. osgeld says:

    I still have 4 vmu’s to go with my 4 dreamcast controllers

  7. Josh says:

    Just found my DC in a box when we moved last month. Got 3 of those VMUs. Not that I need to gut one for this, but they are pretty cool little units. You can program their internal microcontroller too, or just load homebrew games on it. The hard part is getting your Dreamcast on the internet; DC broadband adapters are expensive and hard to find.


  8. Josh says:

    Oh – and found the link for dev tools


  9. Pilotgeek says:

    Mike, you make a lot of generalizations. I currently have 3 VMU’s sitting in my room.

  10. Everett says:

    Where can I buy that ultrasonic knife?!

  11. Colecago says:

    I didn’t believe the vibraknife at first, thought it was a hot knife, but a little searching reveals they do exist!


  12. brennanthl says:

    “We’d bet you never had a Dreamcast Visual Memory Unit”

    Well, you would LOSE that bet. I have probably 10 of them laying around. They are great little units and just one of the reasons why I miss Sega consoles. HAD fail.

  13. Rachel says:


    You can use the original POTS modem. Simply connect it to a computer with another modem, and a battery to power the line. Then you can easily spoof phone numbers and route the packets over the internet.

    I love the Dreamcast and its little VMUs. It would be a shame to waste one on an ipod. I’d much rather see a mod to replace the con cell batteries with a rechargeable Li+. Those things were awesome, but they drained batteries like crazy.

  14. Sodor says:

    “We’d bet you never had a Dreamcast Visual Memory Unit”

    My DC and VMU’s work fine, I have like 3 VMU.

    I play Quake 3 arena (free for all and CTF) every Saturday with other three friends since 2004, good game and great game system.

  15. chris says:


    those ultrasonic knives have big power supplies.
    but anything with that much cuttingness is awome!

  16. Eric says:

    The Dreamcast was plenty popular, it was just timed wrong. It lost all sales momentum when the PS2 came out, instead of the two consoles competing.

    I still have one of the VMUs too, although the DC it went with died years ago, sadly.

  17. invi[tus says:

    Love the cutter, after some research I found this http://www2.enekoshop.jp/shop/e-shop_plascom/item_list?category_id=76146

    just shy of 400 USD according to my currency converter.

    I want one now =\

  18. osgeld says:

    “Simply connect it to a computer with another modem, and a battery to power the line.”

    Ive connected dozens of modems to modems and never needed a battery, is the DC different Rachel?

    (its just a pita to run back n fourth banging in at commands but course that could be done in software)

  19. lee says:

    anyone know how much the knife costs? I see a 45W version that should be obtainable!

  20. Kevin says:

    There’s a cd image you can download and burn to load the vmu games from the DC itself. I’ll have to see if I stll have the link at home.

  21. Srmoska says:

    “We’d bet you never had a Dreamcast Visual Memory Unit”

    FAIL. I have a working VMU and a working dreamcast!

  22. Lion XL says:

    OK At work and I can’t see the video, but exactly why is that gaping whole in the back? whats its puprpose?

  23. f8l_0e says:

    I had two VMU’s myself. They were a great concept. Picking plays in a the football game was cool and I’m not a football fan.

  24. Chris says:

    Way cool, just think how many fingers you’ll lose using one of those knives!

  25. Arksardan says:

    Yup, add me to the list of people with VMUs – and a region-free Dreamcast with two Japanese DDR pads and games somewhere in a box here…

  26. fred fred burger says:

    lol at vibroscaples…gb2 kotor

  27. Gosh says:

    I love my Dreamcast and still play Proejct Justice from time to time. The VMUs were, IMO, an awesome idea that I was pretty baffled never caught on past the DC. This looks like a great hack to try with one of the 8 VMUs I still have lying around. Only negative I can think of is the VMU batteries, which seemed to drain at a ridiculous rate.

  28. Gosh says:

    Guess I should read the total post before posting – VMU battery was gutted along with everything else >.<

  29. cpmike says:

    Yeah bad assumption, any of us who had DCs of course had the nifty VMUs. Loved my smoked grey one, but I had 3. I just hated how quickly they killed batteries…

  30. UltimateJim says:

    Hah that’s awesome. Would hate to nick a finger though….

  31. Tim says:

    Funny that the ultrasonic actually drowns-out the audio in the video. You can hear the ambient noise go down when the knife goes “hot”…

  32. nyder says:

    2 dreamcasts, plenty of VMU’s and other items.

    Still wish i had the keyboard & vga adaptor from my first dreamcast.

    Cool little hack though.

  33. digiswv says:

    I beg to differ! The dreamcast was very popular. But it had a short lifespan due to finger-in-ass+nose-easy piracy.

  34. Rachel says:


    The battery mimics the voltage on phone line for compatibility. The modems might not actually need this voltage to work, but some might use it to detect if it’s plugged in. I have a couple cordless phones which refuse to operate unless they sense this voltage.

  35. cde says:

    If you had a dreamcast, you most likely had a vmu. No VMU, no saved games. It was more or less a requirement. Unless you got one of the third party memory cards eventually.

  36. Johnnymoha says:

    HAD, chances are if people are visiting this site they have probably owned a DC and a VMU. My favorite console I’ve owned. R.I.P. DC you died much too young :(

  37. Pup says:

    Excuse me, HAD, but just because Dreamcast wasn’t mainstream enough doesn’t mean it was unpopular.

    It’s a crying shame that a VM had to die to make an ipod look good…

  38. Monkey_Beast says:

    I have a look around. I think this is that actual one in the video. http://en.item.rakuten.com/be-j/933000/
    Looks to be a Japanese company that make the units. Not cheap, but I think if you do a lot of cutting, it would probably pay for it self.

  39. rbjacobs says:

    I love how everyone’s discussing the knife and the VMU, but no-one seems to care about the iPod-in-the-VMU thingy!

  40. SelfSilent says:

    ZOMG! you managed to put a new smaller thing inside a larger older thing, you must be so proud.

    If it wasn’t for the “heads up” on the knife and not using an Arduino, this hack would have been pointless.

    I’m off to put a PS3 inside an RM Nimbus.

  41. Gene says:

    How strange is it that I have an used VMU sitting on my desk. It just seems wrong to gut it and just use the shell though.
    As for the hole in the back, it’s where the battery cover goes. I’m not sure why they didn’t just glue on the cover.

  42. Cheswick says:

    Now we just need instructions to build one of those sweet vibro knives for less than 400 bucks…

  43. blue carbuncle says:

    I never put mine away. Seaman would die and I’d never hear the end of it from him lol.

    The VMUs were awesome, especially for football games where you could actually pick your play in secret and not giving your buddy one of four play options your were gonna run lol. WinCE compatible, I always expected more to be done with the little unit that could, but GDROM-sigh. And yes Josh, I’m saddened that Lik Sang or some other didn’t build a knock off ethernet adapter :(

    I still have some extra parts laying around for the DC so if some hacker on here wants them shoot a message in the comments :)

  44. blue carbuncle says:

    nyder I have a DC keyboard in the basement if you want it.

  45. dreamcast was a hugely popular console for people that actually played games and it was very innovative for its time i played my DC til it fried and would no longer boot games, DC ruled, unreal tournament and quake 3 endless hours on it

  46. Jess says:

    DIY piezo knife? That sounds like a good project… does this require any special/fancy element? I would think you just have to mount it to an exacto knife blade or something, then damp the vibration so it can be held?

    Time to research beefy piezo’s.

  47. Jess says:

    So the element is about 40 bucks (ebay prices). I was looking to see if the element was this “bolt clamped langevin” transducer, and g-images pulled up the knife in the video… D:


    Here is the site with the element from ebay and specs: http://www.steminc.com/piezo/SMBLTD45F28H.asp

    The price jumps up quickly for stacked type units.. these are also annoyingly large.. 45mm :(

    Anyone got a few Kv to throw at one of these?

  48. Hitek146 says:

    I remember reading about a guy that developed an interface to connect a standard Realtek RTL8139 PCI card to a Dreamcast using a custom FPGA circuit he designed, allowing a standard card to be plugged into the Dreamcast to allow it to connect to an Ethernet network just like the Broadband Adapter. This was a few years ago, and I can’t seem to find a trace of the web site now, but I remember that he had etched his own PC boards(fully documented with photos) and had two working prototypes…

  49. Clueless_Being says:

    i have vmus, wouldnt put ipods in any of them

  50. DanAdamKOF says:

    @Hitek146, took one google search to find it :P


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