TYAN GC68A-B8056 Service Engineer's Manual page 121

5.3.3.3 Legacy Console Redirection Settings
Redirection COM Port
Select a COM port to display redirection of Legacy OS and Legacy OPROM
Messages
Resolution
On Legacy OS, the Number of Rows and Columns supported redirection
Redirect After POST
when Bootloader is selected, then Legacy Console Redirection is disabled before
booting to legacy OS, when Always Enable is selected, then Legacy Console
Redirection is enabled for Legacy OS. Default setting for this option is set to
Always Enable.
COM1 / COM2
80x24 / 80x25
Always Enable / BootLoader
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