User’s Guide HDSP System RPM
© RME
33
19. Hotline - Troubleshooting
19.1 General
The newest information can always be found on our website
www.rme-audio.com
, section FAQ,
Latest Additions.
The input signal cannot be monitored in real-time
•
ASIO Direct Monitoring has not been enabled, and/or monitoring has been globally disabled.
Playback works, but record doesn’t:
•
Check that there is a valid signal at the input. If so, the current sample frequency is
displayed in the Settings dialog.
•
Check whether the Hammerfall DSP has been selected as recording device in the audio
application.
Crackle during record or playback:
•
Increase the number and size of buffers in the ‘Settings’ dialog or in the application.
•
Try different cables to rule out any defects here.
•
Increase the buffer size of the hard disk cache.
•
Activate Busmaster mode for the hard disks.
•
In case of a recently done BIOS update of the motherboard: Propably 'Load BIOS Defaults'
was loaded instead of 'Load Setup Defaults'. This sets the 'PCI Latency Timer' to 0 (default:
32).
Low Latency ASIO operation under Windows 2000/XP on single CPU systems:
•
To use ASIO at lowest latencies under Windows 2000/XP even when only having one CPU,
the system performance has to be optimized for background tasks. Go to Control
Panel/System/Advanced/Performance Options. Change the default 'Applications' to
'Background tasks'. The lowest usable latency will drop from 23 ms to around 3 ms. This is
no issue when using dual CPU systems.
19.2 Installation
More information on installation problems (which fortunately are very seldom, thanks to Plug
and Play), can be found in the Tech Info 'Installation problems'. It is located in the directory
\rmeaudio.web\techinfo
on the RME Driver CD.
Hammerfall DSP is found in the Device Manager (>Settings/Control Panel/System<), category
'Sound-, Video- and Gamecontroller'. A double click on ' Hammerfall DSP ' starts the properties
dialog. Choosing 'Resources' shows Interrupt and Memory Range.
The newest information on hardware problems can always be found on our website
www.rme-
audio.com
, section FAQ, Hardware Alert: about incompatible hardware.
The dialog 'New hardware component found’ does not appear:
•
Check whether the CardBus card is completely inserted into the PCMCIA slot, or the PCI
interface is correctly inserted in the PCI slot.
