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MediaPortal 1
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Recorder:Pid 7c0 Continuity error... 3 ( prev f ) - bad signal?
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<blockquote data-quote="DragonQ" data-source="post: 1031816" data-attributes="member: 115209"><p>I'd like to hijack this thread somewhat since I also get continuity errors with a seemingly perfect signal. My specs are below:</p><p></p><p>Windows Server 2012</p><p>MSI H77MA-G43</p><p>Intel Celeron G1620</p><p>4 GiB RAM</p><p>OCZ Vertex 4 SSD</p><p>9x HDDs</p><p>Startech PEXSAT32</p><p>Startech PEXSATA22I</p><p>Blackgold BGT3600 (8.1.1.2 driver)</p><p></p><p></p><p>I'm pretty sure everything unnecessary is already disabled in the BIOS (audio, parallel port, serial port). I plan to try an upgrade to the 9.1.0.0 driver for the tuner card this afternoon, however, it may not work because the 9.0.0.2 Beta driver broke MediaPortal compatibility ("unknown error" when tuning to DVB-S) and I don't know if this has been fixed. If it works that'd be great since it's meant to have improvements for Windows 8.</p><p></p><p>The other thing I've done is check DPC latency. It looks like there are two big culprits - one is the NT kernel (not much I can do about that) and the other is <strong>scsiport.sys</strong>. Now, all 4 of the HDDs I have connected to the Startech cards show as "SCSI disk device" in Device Manager, but the two cards use different controllers. The newer PEXSAT32 uses Marvell 9128 and the older PEXSATA22I uses JMicron JMB366. JMicron is notoriously rubbish and a bit of googling reveals some other people with latency issues due to JMB36x controllers. I'm running the only Windows 8 compatible driver for it, so can't do much there.</p><p></p><p>My plan is to disable the older Startech card and see if the latency issues persist. None of my MediaPortal related drives are using it (e.g. recording HDD) but maybe it's still being accessed periodically for some reason. If it does turn out to be the problem then I'll swap it out for a newer Marvell model. If not, I'm not sure where to go next. :/</p></blockquote><p></p>
[QUOTE="DragonQ, post: 1031816, member: 115209"] I'd like to hijack this thread somewhat since I also get continuity errors with a seemingly perfect signal. My specs are below: Windows Server 2012 MSI H77MA-G43 Intel Celeron G1620 4 GiB RAM OCZ Vertex 4 SSD 9x HDDs Startech PEXSAT32 Startech PEXSATA22I Blackgold BGT3600 (8.1.1.2 driver) I'm pretty sure everything unnecessary is already disabled in the BIOS (audio, parallel port, serial port). I plan to try an upgrade to the 9.1.0.0 driver for the tuner card this afternoon, however, it may not work because the 9.0.0.2 Beta driver broke MediaPortal compatibility ("unknown error" when tuning to DVB-S) and I don't know if this has been fixed. If it works that'd be great since it's meant to have improvements for Windows 8. The other thing I've done is check DPC latency. It looks like there are two big culprits - one is the NT kernel (not much I can do about that) and the other is [b]scsiport.sys[/b]. Now, all 4 of the HDDs I have connected to the Startech cards show as "SCSI disk device" in Device Manager, but the two cards use different controllers. The newer PEXSAT32 uses Marvell 9128 and the older PEXSATA22I uses JMicron JMB366. JMicron is notoriously rubbish and a bit of googling reveals some other people with latency issues due to JMB36x controllers. I'm running the only Windows 8 compatible driver for it, so can't do much there. My plan is to disable the older Startech card and see if the latency issues persist. None of my MediaPortal related drives are using it (e.g. recording HDD) but maybe it's still being accessed periodically for some reason. If it does turn out to be the problem then I'll swap it out for a newer Marvell model. If not, I'm not sure where to go next. :/ [/QUOTE]
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Recorder:Pid 7c0 Continuity error... 3 ( prev f ) - bad signal?
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