Asus AP1720-E1 - Manual (Page 43)

ASUS PC-DL Deluxe motherboard 2-17
2.6.4 AGP Pro slot
This motherboard has an Accelerated Graphics Port (AGP) Pro slot that
supports AGP 8X (+0.8V) cards and AGP 4X (+1.5V) cards. When you buy
an AGP card, make sure that you ask for one with +0.8V or +1.5V
specification.
Note the notches on the card golden fingers to ensure that they fit the AGP
slot on your motherboard.
Install only +0.8V or +1.5V AGP cards. This motherboard does not
support 3.3V AGP cards.
If installing the ATi 9500 or 9700 Pro Series VGA cards, use only the
card version PN xxx-xxxxx-30 or later, for optimum performance and
overclocking stability.
PC-DL
PC-DL Accelerated Graphics Port (AGP)
Keyed for 1.5V