TEAC IF-FW/DMmkII IF-FW/DMmkII release notes version 1.22 - Page 3

Release Notes

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Release Notes New Features in V1.10 ªª Windows Driver Compatibility This driver is now compatible with: Windows XP 32 bit with Service Pack 3 Windows XP 64 bit with Service Pack 2 Windows Vista 32 bit with Service Pack 1 Windows Vista 64 bit with Service Pack 1 CAUTION The use of this unit has been confirmed using standard computers that meet the above operating system requirements. However, this is not a guarantee that it will work all computers that are running one of these operating systems. Even when running the same operating system, the processing capabilities of computers vary according to their specifications and other operating conditions. DPC Spike Checker for Windows "DPC Spikes" are delays or latencies in your system that interfere with correct operation of the IF-FW/DMmkII drivers. Some Graphic interfaces and LAN/Wireless interfaces are known to introduce large DPC spikes. These may only occur once in a few minutes, but they will cause drop-outs or other audio problems. To see if your system has unusual DPC spikes, a DPC Spike checker tool is now included in the installation. This application only runs on 32 bit versions of Windows XP or Windows Vista. Start this app (Start->All Programs->TASCAM-> IFFWDMmkII->DPC Spike Checker) and let it run while you use your computer normally for audio work. After a few minutes, check to see if it has registered any spikes. It will recommend a setting for the Performance Mode pull down in the IF-FW/DMmkII Control Panel. Be sure to search for updated drivers for Graphic and Network devices if large spikes are detected, or be prepared to replace those interfaces in your computer if the additional latency required is not acceptable for your work. NOTE The DPC Spike Checker Tool will report invalid DPC latency numbers if it is still running when the system is put into Standby or Hibernate modes. Please quit and restart the tool in this case. Performance Mode The Control Panel has a new pull down selection called "Performance Mode", this has 4 settings: 1. "Normal" 2. "Safe Mode Level 1" 3. "Safe Mode Level 2" 4. "Safe Mode Level 3". Each level has different amounts of extra latency, which can prevent audio drop outs due to CPU load spikes. ªª Mac OS X Driver Compatibility This driver is now compatible with OS X 10.5.2 TASCAM IF-FW/DMmkII Firmware: 1.10, Windows driver: 1.21, Mac OSX driver: 1.22 3

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Firmware: 1.10, Windows driver: 1.21, Mac OSX driver: 1.22
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TASCAM
IF-FW/DMmkII
Release Notes
New Features in V1.10
Windows Driver
ª
Compatibility
This driver is now compatible with:
Windows XP 32 bit with Service Pack 3
Windows XP 64 bit with Service Pack 2
Windows Vista 32 bit with Service Pack 1
Windows Vista 64 bit with Service Pack 1
CAUTION
The use of this unit has been confirmed using standard
computers that meet the above operating system
requirements. However, this is not a guarantee that it will
work all computers that are running one of these operating
systems. Even when running the same operating system, the
processing capabilities of computers vary according to their
specifications and other operating conditions.
DPC Spike Checker for Windows
“DPC Spikes” are delays or latencies in your system that
interfere with correct operation of the IF-FW/DMmkII
drivers. Some Graphic interfaces and LAN/Wireless
interfaces are known to introduce large DPC spikes. These
may only occur once in a few minutes, but they will cause
drop-outs or other audio problems.
To see if your system has unusual DPC spikes, a DPC Spike
checker tool is now included in the installation.
This application only runs on 32 bit versions of Windows
XP or Windows Vista.
Start this app (Start->All Programs->TASCAM->
IFFWDMmkII->DPC Spike Checker) and let it run while you
use your computer normally for audio work. After a few
minutes, check to see if it has registered any spikes. It will
recommend a setting for the Performance Mode pull down
in the IF-FW/DMmkII Control Panel.
Be sure to search for updated drivers for Graphic and
Network devices if large spikes are detected, or be
prepared to replace those interfaces in your computer if
the additional latency required is not acceptable for your
work.
NOTE
The DPC Spike Checker Tool will report invalid DPC latency
numbers if it is still running when the system is put into
Standby or Hibernate modes. Please quit and restart the
tool in this case.
Performance Mode
The Control Panel has a new pull down selection called
“Performance Mode”, this has 4 settings:
1.
"Normal"
2.
"Safe Mode Level 1"
3.
"Safe Mode Level 2"
4.
"Safe Mode Level 3".
Each level has different amounts of extra latency, which
can prevent audio drop outs due to CPU load spikes.
Mac OS X Driver
ª
Compatibility
This driver is now compatible with OS X 10.5.2