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Intel DG965OT with dual pcHDTV HD-5500 on R5F1 http://forum.linhes.org/viewtopic.php?f=9&t=15856 |
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Author: | hesby [ Thu Jul 12, 2007 12:02 pm ] |
Post subject: | Intel DG965OT with dual pcHDTV HD-5500 on R5F1 |
New R5F1 install Antec NSK2400 case Intel DG965OT board Core2 Duo E6320 1.86GHz 2GB DDR2 PC5300/667 RAM eVGA GeForce 7600GS running at 1280x720@60Hz over DVI out Two pcHDTV HD-5500 capture cards Seagate 250GB SATA HD Samsung WriteMaster SATA DVD-RW Streamzap remote Samsung LN-R268W display using HDMI input (via DVI to HDMI cable) I can't believe that more people aren't using the Intel DG965OT board, considering that it so closely resembles the DG965WH used in the Dragon. I picked the board mainly because of its micro-ATX form factor. The loudest part of this setup is the tiny little fan on the graphics card. I may end up replacing it due to poor WAF regarding the noise level. Problem: Jerky audio and video from Intel DQ965GF motherboard Solution: Replaced with DG965OT motherboard instead Problem: Analog sound devices on HD-5500 cards clashing with onboard audio Solution: Installed R5F1 prior to inserting PC-5500 cards. Immediately before inserting the cards and rebooting, I blacklisted cx88-alsa devices in /etc/modprobe.d/blacklist Problem: Operating system did not detect optimum display modes for HDTV/monitor Solution: Generated X11 modelines for optimum modes and inserted into xorg.conf Problem: Volume levels not remembered by O/S & MythTV Solution: Locked in 100% volume level with alsamixer, then stored with alsactl. Also disabled MythTV's internal volume mixer, opting to adjust TV volume instead. Problem: Encrypted and/or unusable QAM channels were presented by MythTV scanner as usable Solution: Manually tuned into each QAM channel to determine if it was usable Problem: Nearly all QAM channels were tagged as cable channel 0 by DataDirect Solution: Used "View Source" on zap2it.com site to reveal five-digit XMLTVID codes, then updated MySQL CHANNEL table directly until all channel data was accurate. Setting VISIBLE=0 via a single SQL update quickly hid the unusable channels. What can I say, I'm a database geek. Problem: Bitmap logos for most channels were either of poor resolution or missing entirely Solution: Downloaded new logos from satellite enthusiast websites and from Wikipedia. Updated MySQL CHANNEL table to reference new logo bitmaps. Problem: Could not get WiFi working on the MythTV box. All I had was an old Netgear MA111 stick, which was not fully detected. Solution: Loaded DD-WRT firmware onto an old Linksys WRT54G in order to turn the WRT into a wireless client bridge. The MythTV box connects to the WRT via Cat5, and DD-WRT bridges it onto my home wireless network. Be sure to enable the proxy ARP setting on DD-WRT (a secret variable hidden somewhere under /proc) or else your machines beyond the DD-WRT bridge will not be able to see or contact the MythTV PC. Problem: Frequent lockups and hanging when attempting to access ATA optical drive. Logs show "spurious interrupt" errors and 30-second device timeouts. Optical drive is essentially unusable on the box. Solution: Used an IDE optical drive instead. |
Author: | tjc [ Thu Jul 12, 2007 6:19 pm ] |
Post subject: | Re: Intel DG965OT with dual pcHDTV HD-5500 on R5F1 |
hesby wrote: Problem: Analog sound devices on HD-5500 cards clashing with onboard audio Solution: Installed R5F1 prior to inserting PC-5500 cards. Immediately before inserting the cards and rebooting, I blacklisted cx88-alsa devices in /etc/modprobe.d/blacklist There is a better solution which doesn't disable the cards audio. I believe there is a link in the R5F1 hints. hesby wrote: Problem: Volume levels not remembered by O/S & MythTV
Solution: Locked in 100% volume level with alsamixer, then stored with alsactl. Also disabled MythTV's internal volume mixer, opting to adjust TV volume instead. Dialing all the volumes up to 100% is not recommended. It tends to produce distortion on the audio card. Backing at least the master down to 90% will often produce better results. |
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