S UPER P3TDE6/P3TDER User’s Manual Introduction Pentium III FCPGA CPU Pentium III FCPGA CPU PCI 66/33 MHz Slots ATA 33 Ports 133/100 MHz Host Bus USB Ports CSB5 (South Bridge) North Bridge (NB-HE-SL) CIOB2 (IO Bridge) SMBus 144-bit Data Bus PC133/100 SDRAM Figure 1-5. ServerWorks HE-SL Chipset: System Block Diagram Note: This is a general block diagram. Please see the previous Motherboard Features Section for details on the features of each motherboard. 1-12