Asus P I-P55SP3AV P/I-P55SP3AV User's manual - Page 81
Asus P I-P55SP3AV Manual
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TECHNICAL UPDATE Product Number: Motherboard Version: Manual Version: P/I-P55SP3AV 1.2 and later 1.1 On Page 2-7, the two sentences: DRAM Speed: 70ns or faster for 50, 60 or 66MHz external clock. EDO DRAM requires 60ns or faster for a 66MHz external clock setting. Change to: DRAM speed requirements for both FP DRAM & EDO DRAM: CPU internal clock (speed of the CPU): 75, 90, 120, 150MHz CPU external clock: 50 or 60MHz >Use 70ns or faster (the lower the number, the faster) CPU internal clock (speed of the CPU) 100,133, 167MHz CPU external clock: 66MHz >Use 60ns or faster (the lower the number, the faster) On Page 4-7: If you have a UMC Super Multi-I/O, the jumper settings for JP35, JP36, and JP37 are not used. The default settings for JP35 and JP36 are fixed on position 1-2 and JP37 is removed. The Infrared function on the UMC super multi-I/O chip is enabled through BIOS setup only, no hardware settings are necessary. Check to see whether you have a SMC Super Multi-I/O or a UMC Super Multi-I/O. The above applies to UMC only, otherwise refer to page 4-7 for UART2/IR Selection. P/I-P55SP3AV User's Manual