Tandy Memorex Visual Information System (VIS) es un reproductor de CD-ROM interactuvo creado por Tandy Corporation en 1982.
El funcionamiento es similar al CDi de Philips o el Commodore CDTV, má concretamente a este último, ya que ambos tienen su origen en un ordenador que se ha consolizado.
Se vendió solo en los establecimientos at Radio Shack, bajo en sello Memorex, que en aquel momento pertenecían a Tandy.
CPU: Intel 286
Video System: Cirrus Logic
Sonido System: Yamaha
Chipset: NCR Corporation
CDROM x2 IDE by Mitsumi
OS: Microsoft Modular Windows
Additional details:[3]
80286-12 processor on a local bus (not ISA) running at 12 MHz. 0-wait states. Equivalent PC performance somewhere around that of a 386SX-16 or 20.
1 MB of ROM containing minimal MS-DOS 3.x, a few drivers, and Modular Windows(TM).
Built-in Audio CD player application.
1 MB of RAM in a conventional PC layout 640 KB + 384 KB.
Mitsumi 1x (150 kB/s) CD-ROM drive with 16-bit interface, 800 ms access, 1300 ms worst case access, CD+G capable, but not Photo-CD. 5000 hour MTBF.
IR interface with up to two IR transmitters (hand controllers) operating at once.
PS/2 mouse or keyboard interface (either can be connected and are generally recognized by applications). A wired hand controller could also be
connected to this port for use in locations where the wireless controller was not practical, or could be used in conjunction with one wireless
controller.
Expansion compartment for RS-232 serial board for use with Windows debugger.
Modem (the same modem card that went in the Tandy Sensation I) could also be installed in the VIS. 2400 data 4800 send-only FAX.
Outputs: RCA Line left/right, composite video, RF video, S-Video. NTSC video.
Dallas Semiconductor plug-in CyberCard - removable non-volatile storage, in sizes up to 512 kB and system comes with 32 kB unit.
Onboard audio is same as Tandy Sensation I: Adlib Gold compatible, not Sonido Blaster compatible.
Video uses ADAC-1 chip as found in Tandy Sensation I, supports YUV and several high-quality color modes. Also supported some TV-specific features
for handling overscan.