ASRock P4i45D User Manual - Page 5

AGP slot: USB 2.0: USB 1.1: ASRock I/OTM: BIOS: OS: 1 AGP slot, supports 1.5v, 4X / 2X / 1X AGP card (see CAUTION 3) 2 default USB 2.0 ports and one extra set of USB 2.0 header to support two additional USB 2.0 ports upgrade (Power Management for USB 2.0 works fine under Microsoft® Windows® XP. It may not work properly under Microsoft® Windows® 98/ME/2000. Please refer to Microsoft® official document at http://www.microsoft.com/HWDEV/BUS/usb/USB2support.asp) 2 rear default USB 1.1 ports with legacy support (see CAUTION 4) PS/2: 1 keyboard port / 1 mouse port; 1 RJ 45 port; 2 rear default USB 1.1 ports; 2 rear default USB 2.0 ports; 1 serial port: COM1; 1 parallel port: ECP/EPP support; Audio Jack: Line Out/ Line In/ Microphone + 1 Game port AMI legal BIOS;Supports "Plug and Play"; ACPI 1.1 compliance wake up events; Supports jumperfree; SMBIOS 2.3.1 support; CPU frequency stepless control (only for advanced users' reference, see CAUTION 5); Microsoft® Windows® 98 SE / ME / 2000 / XP compliant CAUTION! 1. While CPU overheat is detected, the system will automatically shutdown. Please check if the CPU fan on the motherboard functions properly before you resume the system. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. 2. PCI 5 supports PCI slave mode only. [ DO NOT use the slot PCI 5 if there is USB device working on any of the USB 2.0 ports : USB 0,1 (see page 7, item 8) and USB 4,5 (see page 6, item 13). ] 3. Do NOT use 3.3V AGP card on P4I45D's AGP slot! It may cause permanent damage! 4. Legacy support is only for USB 1.1 ports, but not available for USB 2.0 ports. It is recommended to attach USB keyboard / mouse to the USB 1.1 ports: USB 2,3, see page 7 item 7. 5. Although P4I45D offers stepless control, it is not recommended to perform over clocking. Frequencies other than the recommended CPU bus frequency may cause the instability of the system or damage the CPU. 5