Users Guide

CCTK Options 109
--videomemsize
Valid Argument
auto, off, 12MB, 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB
Description
Sets the video memory size to the given value. These arguments are
used to configure the amount of memory allocated to the onboard
video chipset.
Example
A:>cctk --videomemsize=auto
videomemsize=auto
--virtualization
Valid Argument
disable, enable
Description
Enables or disables the Intel virtualization technology for Direct I/O (vt-d)
– new chipset feature that enhances I/O support (DMA), while running a
virtual machine monitor.
enable: enables the additional hardware capabilities provided by
Virtualization Technology in applicable CPUs.
disable: disables the additional hardware capabilities provided by
Virtualization Technology.
Example
A:>cctk --virtualization=on
virtualization=on
--vtfordirectio
Valid Argument
on, off