Asus P I-P55T2P4 User Manual - Page 44

IV. BIOS (Chipset Features) (Chipset Features) IV. BIOS SOFTWARE [DRAM and ECC] If all your DRAM modules have parity chips (e.g. 8 chips + 4 parity chips), they are considered 36bits. This motherboard sums the memory per bank and therefore two modules will give 72bits and the following will be displayed: If your DRAM modules do not have parity chips (e.g. 8 chips), they are considered 32bits and the following will be displayed instead: The default of Disabled for Memory parity SERR# (NMI) will not show memory errors on your monitor. When using parity DRAM modules, you can select from the default of Parity or ECC (Error Checking and Correcting) to correct 1 bit memory errors that may occur in the memory. (See pages 12-13 for more information on DRAM memory modules.) ...Onboard FDC Controller When enabled, this field allows you to connect your floppy disk drives to the onboard floppy drive connector instead of a separate controller card. If you want to use a different controller card to connect the floppy drives, set this field to "Disabled". Default setting is Enabled. Onboard FDC Swap A: B: This field allows you to reverse the hardware drive letter assignments of your floppy disk drives. Two options are available: No Swap (default) and Swap AB. If you want to switch drive letter assignments through the onboard chipset, set this field to Swap AB. Onboard Serial Port 1 Settings are 3F8H/IRQ4 (default), 2F8H/IRQ3, 3E8H/IRQ4, 2E8H/IRQ10, and Disabled for the onboard serial connector. Onboard Serial Port 2 Settings are 3F8H/IRQ4, 2F8H/IRQ3 (default), 3E8H/IRQ4, 2E8H/IRQ10, and Disabled for the onboard serial connector. 38 ASUS P/I-P55T2P4 User's Manual