Asus H81-M2 H81-M2 User's Manual - Page 18
Jumpers, PCI Express 2.0 x1 slots, PCI slots - memory card
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1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.5.4 PCI Express x16 slot This motherboard has a PCI Express x16 slot that supports PCI Express x16 graphic cards complying with the PCI Express specifications. 1.5.3 PCI slots The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. IRQ assignments for this motherboard LAN PCIE x16_1 PCIE x1_1 PCIE x1_2 PCIE x1_3 Intel PCH SATA Controller HD Audio USB2.0_1 USB2.0_2 USB3.0 A - shared - - shared - - - - - BC D E F G H - shared - - - - - -- - - - - - - shared - - - - - - - shared - - - - -- - - - - - - - shared - - - - -- - - - shared - -- - - - - shared -- - shared - - - -- - - shared - - 1.6 Jumpers 1. Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. CLRTC H81M2 12 23 Normal (Default) H81M2 Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 1-10 Chapter 1: Product introduction