ESI MaXiO series System Manual page 36

MaXiO series
Word: this setting allows you to define if you want to send out a standard Word Clock (FS) or a
Super Clock (256FS) signal via the Word Clock output of the M.D.I connection, e.g. the M.D.I
breakout cable.
CH. Limit: The CH. Limit setting allows you to limit the maximum number of channels that are
transferred via the PCI/PCIe bus. If you select 32Ch, all 32 input and 32 output channels are active
at the same time. If you select 16Ch, only the first 16 input and the first 16 output channels are
active, if you select 8Ch, the first 8 input and the first 8 output channels are active. The lower the
setting will be, the lower the PCI/PCIe transfer generated by the MaXiO PCI/PCIe host card will be.
depending on the system performance of the mainboard (and chipset) you use, you need to lower
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this setting from 32Ch to 16Ch or 8Ch. Only fast and modern mainboards (check the system
requirements) allow you to use the 32Ch mode.
the performance you can achieve with your MaXiO PCI/PCIe host card based system also
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depends on other components in your system beside the mainboard (and chipset). For example,
other PCI/PCIe devices in your system (like high end network adapters, SCSI controllers,
SATA/RAID controllers, etc.) may affect the performance, especially when you use the 32Ch
mode and higher sample rates.
as a general rule, it is better to use the 8Ch mode if you do not use more than 8 input and 8
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output channels or the 16Ch mode if you do not use more than 16 input and 16 output channels.
as a second general rule, the sample rate you use also affects the system performance, e.g. using
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192kHz requires a faster system than using 48kHz. Another example: using 192kHz at the 8Ch
setting affects the system in the same way as using 48kHz at the 32Ch setting or using 96kHz at
the 16Ch setting.
The default setting is 8Ch. If you connect multiple external units such as EX8000 or a single
MaXiO 032 breakout box to one MaXiO PCI/PCIe host card, you need to change the CH. Limit
setting before you can use more than 8 input and 8 output channels.
please always check our website (www.esi-pro.com) for updated information about system
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performance and system compatibility. If you are in doubt if your system works properly with a
MaXiO XD system, contact our technical support.
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System Manual