This motherboard uses a ServerWorks GC_SL chipset. It consists of the North Bridge (CM1C–SL) and South Bridge (CSB6).

Main Features

• Supports 100/133–megahertz (MHz) FC–PGA2 Intel® Pentium® 4 processors and Pentium 4–based Celeron™ processors
• Main memory interface optimized with support of 100/133–MHz DDR synchronous dynamic RAM (SDRAM)
• 64–bit, 33–MHz primary PCI bus interface (PCI) with integrated PCI arbiter
• I²C bus support

Memory Controller Features

• Full support for the Foster Processor bus protocol
• Full support of double data rate (DDR) memory
• Full support of error checking and correcting (ECC) on the memory bus
• Supports 72–bit, 200–MHz memory bus interface to memory sub-system
• Provides a peak bandwidth of 1.6 gigabytes per second (GBps) on DDR memory bus
• Twelve deep in–order queue
• Eight cache–line read buffers
• Eight cache–line write buffers
• Four single (1–byte, 8–byte, 16–byte, and 32–byte) write buffers
• DDR memory commands overlapping
• Full support of 4–bank registered DDR SDRAM
• Support for 64–megabit (Mb), 128–Mb, 256–Mb, and 512–Mb devices
• Asymmetric sized memory and mixed memory support
• Correction up to a nibble, multiple–bit error detection
• Memory scrubbing
• Shadowing of memory between 640K and 1M
• Memory hole programming
• Read around write
• SMRAM support
• Power Down mode support

1/4 IMBus Interface Features

• Excess of 800–megabytes per second (MBps) bandwidth (four bits at 400 MHz each direction)
• Narrow 14–pin interface
• Four read and four write concurrent requests supported by independent tags in each direction
• Out of order, barrier, and coherency management supported by request command set
• Source synchronous interface

Device Features

• 0.25–um, 2.5–volt (V) COMS high–density gate array
• Uses analog PLLs for internal 100/200/400–MHz clocks
• BGA 609 pins