Question: My motherboard is P4Dual-915GL. In the manual, it said the AGI Express slot is PCI Express x4. Can I use other PCI Express x1/x2/x4 devices, like PCI Express LAN card or RAID card, on AGI Express slot?(2/18/2005) Answer: We have tested x1 PCI Express LAN card on P4Dual-915GL. It is able to work on ASRock AGI Express slot.