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TurboGrafx-CD / TurboDuo

1988–1994 · home console

Specifications

Cpu: HuC6280, 7.16 MHz (same core as TurboGrafx-16)
Ram: max: 256 KB adaptor RAM with the Super System Card installed · base: 8 KB main RAM plus 64 KB CD adaptor RAM
Media: CD-ROM
Output: RF, composite video
Storage: base: CD-ROM drive (add-on unit on TurboGrafx-CD, integrated on TurboDuo) · options: Super System Card upgrade for expanded adaptor RAM, required by later, more ambitious CD titles
Release Price: $399 (TurboGrafx-CD add-on unit plus Interface Unit, 1989); $299 (TurboDuo, integrated console, 1992)

Variants

Models

TurboGrafx-CDSeparate CD-ROM2 drive plus Interface Unit that clips onto a TurboGrafx-16, connecting via the console's expansion port; needs the base console to function.

TurboDuo1992 US redesign integrating the HuC6280 console and CD-ROM drive into a single unit, equivalent to Japan's PC Engine Duo; plays HuCards and CDs without an add-on.

Upgrade paths

RAM

8 KB main plus 64 KB adaptor RAM up to 256 KB adaptor RAM via the Super System Card · The Super System Card is a HuCard-format boot card that slots into the front cartridge port; later CD games (Super CD-ROM2, Arcade CD-ROM2) required it or refused to run.

~$60 for the Super System Card

EASY

storage

Single-speed CD-ROM drive, fixed · No faster drive or alternate media path existed; the add-on and integrated TurboDuo both used the same single-speed mechanism.

n/a

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