Pinnacle PCTV SAT CI PCI DVB-S DE EN NL Ret +rem 202261451 User Manual

Product codes
202261451
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Appendix A: Tips & Tricks  
I
 
Appendix A: 
Tips & Tricks 
 
In this chapter you will find important information, tips and tricks in 
connection with our Capture-Board as well as general information on the 
subjects of video capture and digital satellite systems.  
H
ARDWARE REQUIREMENTS
 
Hard disk speed 
If the hard disk works too slow, the PC cannot save the digitised images fast 
enough and the drop-out rate increases. The drop-out rate is the number of 
images which are not saved during capturing. This results in jerky playback. 
Your hard disk should offer a transfer rate of 5 Mbytes/sec under Windows. 
To take advantage of the full transfer rate, the option "DMA" should be 
checked in the Device Manager for your hard disk (see "Settings in 
Windows 98SE and Windows Me" or “Settings in Windows 2000 and 
Windows XP”). 
Memory 
In general: The more memory available, the better. 
I
NTERRUPT 
S
HARING
 
Our capture board supports PCI interrupt sharing. This function is necessary 
if the motherboard allocates a single interrupt to all PCI slots. In this case, 
all PCI devices have to share one interrupt which means that every driver 
has to check if the current interrupt comes from its device. If this is not the 
case, the driver must not handle this interrupt and has to pass it to the next 
PCI device. If only one of the devices involved (or its driver) fails to do so, 
the system will not function properly.