Re: [rivatv-devel] asus7700 tvbox control and compu links

[Yuri v. O. <yva...@xs...>]

On Fri, 24 May 2002, Paul Miller wrote:

> Is it possible to use the tv box control jack on the asus 7700 to
> control a VCR via a "AV Compu Link"?  I'm not sure of what features are
> actually supported w/ compu links.  I have a JVC HR-S3800U VCR and I'm
> wondering if I can use it instead of asus's tvbox.

The tvbox control pins in the video-in jack are I2C-bus connection pins.
Therefore it is possible to connect extra I2C devices to the card and
control them, as is done with, but not limited to, the tv-box.

JVC's A/V Compu Link is a JVC-only proprietary feature. That means JVC is
most likely not going to tell you how it works and what it's pinout is.
If you're lucky, and they do tell you, AND there's an I2C bus involved
with the A/V Compu Link, you might be able to use your VCR through video
card.

This may be superfluous, but to be safe: until you are absolutely sure AV
Compu Link and I2C are compatible, DON'T hook them up! You could easily
blow up your graphics card (or VCR, but they're usually less fragile).

In conclusion I'd say... give JVC a call.

Hth,
Yuri