[mythtv-users] Building a Basic MythTV box

Michael Weinbergs - Network Administrator Michael.Weinbergs at wridgways.com.au
Wed Dec 7 23:50:45 EST 2005


 
I had this shoestring running for a while (actually - a 20Gb drive - but you
get the picture - the more space you have the more you get for storage of
recordings) running on a 800Mb Coppermine/128Mb ram (processor is more
important than ram). Using an Avermedia 761 DVB-T card (in Australia).
You'll be severely limited in what/howmuch you can store - but it should
work "functionally" - I used it to watch TV in the garage and recorded the
occasional program.

Now running with 1000Mb Coppermine backend and 180Gb of disk (scsi with LVM
works great). 
Frontend is the 800Mhz coppermine and works perfectly!

In Mythtv you can specify where to store your files... So if it is on the
same partition as the OS... Then who cares?! Its only a folder as far as
Myth is concerned.
I simply added a new drive volume, moved all of the files from /recording to
that new partition, then mounted the partition as /recording - worked fine!

Also..
You don't need to worry about the "subnet" thing.
In essence if you can ping it then you *should* be fine.
If you have a firewall in between - then you'll need to allow the ports
(backend/sql) through...
 
But you also you mentioned "wireless" - be careful that your not using
802.11b ("11Mb") - I did - and it's not enough bandwidth.... Choppy video =
ugly! 802.11b @ 56Mb or better!

Good luck!

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Kichigai Mentat
Sent: Thursday, 8 December 2005 3:16 PM
To: mythtv-users at mythtv.org
Subject: [mythtv-users] Building a Basic MythTV box

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Hello. I'm looking into making a basic MythTV box for now (with every intent
of building a better one later when I have more money, so we're talking
about minimal cash right now) out of an AMD Athlon 850 MHz and 256 MB RAM.
I'm planning to use this only as a back end, and using my XBox as a
front-end.

The machine has a 10 GB hard disk, and I'm planning on using KnoppMyth. I
have a hard disk with either 8 or 10 GB (not sure right
now) capacity. Is it possible to configure MythTV to use one hard disk for
all the software and the live TV cache, and the other hard disk as a
location for recording television shows?

I also read in the MythTV documentation that hard disk usage is...
"700 megabytes/hour for MPEG-4, 2 GB/hour for MPEG-2 and RTjpeg and 7
GB/hour for ATSC HDTV."
(http://www.mythtv.org/docs/mythtv-HOWTO-3.html#ss3.1)
Are all these numbers for maximum quality? Is it possible to modify the
bitrate for MPEG-4 and RTjpeg?

Also, do the MythTV Front end and the back end need to be on the same
subnet? I'm thinking I may need to use an old laptop as a wired- wireless
bridge for the XBox.

"I said I was smart, I never said I was mature."
- --Ivan Kowalenko
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