http://www.emachines.com/support/drivers.html
Looks like they don't have what you need though, just the keyboard drivers for XP (which do not include eBoard.exe)
OR
you could try this that I found that someone got from eMachines tech support:
Thank you for choosing eMachines. At eMachines, customer satisfaction is
: of the utmost importance to us.
: EKeys restore:
: 1. Place the restore CD into CD-ROM
: 2. Double click on My Computer
: 3. Double click on CD-ROM
: 4. Double click on Keyboard folder
: 5. Double click on Setup.exe
: 6. Follow program prompts.
: If the keyboard folder is not on the restore CD then a full restoration of
: Windows will be needed for the eKeys to work normally.
OR download the drivers from this site:
http://www.btc.co.kr/english/download/download.html