The monitor HAS a DVI-I connector, as noted in your second URL, above, but that doesn't mean it accepts a digital signal.
See my post in this forum...
"X2Gen 22" MW22U LCD widescreen"
The X2Gen 22" monitor has both DVI-I and VGA _connectors_. (DVI-I is capable of relaying BOTH digital and analog signals.) However, if a DVI-I cable is used, only the analog signal will pass via the DVI port. Have not tested this, but it logically has to be because...
I HAVE tested two...