Biostar M5ATD M5ATD user's manual - Page 22

CPU Bus Clock & JP2 JP2 JP2 JP1 JP1 JP1 Speed Multiplier FS0 FS1 FS2 BF0 BF1 BF2 75MHz x 2.5 66MHz x 3 83MHz x 2.5 75MHZ x 3 66MHZ x 3.5 83MHZ x3 75MHZ x 3.5 When processors run at 75/83 MHz, the clock generator divides this by 2.5, which makes the PCI bus speed become 30/33 MHz respectively. CPU Bus Clock & JP2 JP2 JP2 JP1 Speed Multiplier FS0 FS1 FS2 BF0 66MHzx2.5 66MHzx3 66MHzx3.5 66MHzx4 66MHzx4.5 JP1 JP1 BF1 BF2