Citrix Systems Citrix MetaFrame Application for Windows 1.8 - Manual (Page 148)

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See the “System Sizing” section in Chapter 1 for general MetaFrame hardware
requirements.
DirectICA has been tested with the following multi-VGA products:
u Maxspeed SGX MaxStation and PCI MaxStation adapters and optional
Maxspeed MaxRack bus expansion system and appropriate cabling and
MaxStation base units
u Stone Microsystems MultiVideo VGA System ISA adapter with 512K or 1MB
modules and appropriate cabling and junction boxes
u Stone Microsystems CenterNET 2 PCI adapter with appropriate cabling and
station boxes
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The server console cannot support more than 256 colors when DirectICA is
installed.
Some video adapters are not compatible with DirectICA in all modes; in those
cases you must use the standard VGA video driver, which limits the console to
640 x 480 resolution.
The following restrictions apply to DirectICA stations:
u Shadowing is not supported.
u Encryption is not supported.
u Published applications and load balancing are not supported.
u DirectICA stations are reset as soon as a user logs out or disconnects. Users
cannot reconnect to disconnected sessions.
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Before installing DirectICA, read “System Requirements” earlier in this appendix
to ensure your MetaFrame server meets the minimum requirements for DirectICA.
Some video adapters are not compatible with DirectICA in all modes. In
those cases you must use the standard VGA video driver, which limits the server
console to 640 x 480 resolution.
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