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Compatible Media
— Ocial/Unlicensed/Homebrew NEC-
manufactured PCE HuCards and TurboChips
— Ocial SuperGrafx HuCards
— Ocial/Unlicensed/Homebrew PCE/
TurboGrafx/Duo CD-ROMs
— NEC System Cards & Games Express Green
& Blue Cards
— CD audio & CD+G playback with appropriate
System Card
Compatible Original Peripherals
— PCE 2-button & 6-button Controllers &
Multitaps
— TurboGrafx-16 Controllers & TurboTap with
DIN to mini-DIN Converter
— Memory Base 128
— PCE Mouse
— Coconuts Pachinko Controller
— Dempa XE-1AP Analog Controller with X-HE3
converter
Original Controllers and Peripherals
Duo supports original controllers via the miniDIN
connector. Additionally, an original Multitap device
can be connected here for up to ve player support
with original controllers. Duo does not support
USB hubs as well as mixing a Multitap device with
wireless or USB controllers. Some special models of
original controllers may require using “Passthrough
Mode,” which can be enabled via the OS menu
Settings>Duo>System>Input.
Wired Controllers
Plug any hardwired USB controller that Duo
supports into a USB port and it will instantly
connect to Duo. You can also use and charge
any supported wireless controller as a wired USB
controller by connecting it with a USB cable.
Game Saves and SD Cards
Duo natively supports features that were originally
only possible with an array of external hardware
and accessories (more details on page 8). Duo
requires a dedicated SD card (FAT32 or exFAT up to
1TB) for game saves and full feature support.
OS Menu
Play HuCard
Run a HuCard in the card slot (only appears if a
HuCard is inserted).
Play CD
Run a CD-ROM in the CD drive (only appears if a
CD is inserted).
Library (requires SD card)
View your game collection and time played.
Memories (requires SD card)
Access HuCard Save States (coming in a future OS
update) & Screenshots.
Controllers
Pair supported Bluetooth and 2.4g controllers,
change controller order, and reset pairings.
Settings
Adjust Duo and system specic settings.
About
View information about Duo including OS version
and the changelog.