NEC Express5800 User Manual page 215

Tool menu (Redirection mode)
If you want to operate this computer via the BIOS redirection (the console-less function),
select this item.
The menu's functions are the same as the "Tool menu (Normal mode)".
IMPORTANT: To use the Windows HyperTerminal Emulation
program on serial console, setup as shown below is required.
<Example: On Windows XP>
1. From the menu bar of HyperTerminal, select [File] - [Properties].
2. In the [Properties] dialog box, select [Settings] - [ASCII Setup].
Remove a checkmark from "Wrap lines that exceed terminal
width" checkbox.
Installing and Using Utilities 6-5