This part is a kind of semiconductor called W210.
Function of this product has Spread Spectrum FTG for VIA K7 Chipset.
Manufacturers : Cypress Semiconductor
Image and pinout :
Some of the text within the PDF file :
W210 Spread Spectrum FTG for VIA K7 Chipset Features • Maximized EMI Suppression using Cypress’s Spread Spectrum technology • Single-chip system frequency synthesizer for VIA K7 chipset • One pair of differential CPU outputs for K7 Processor • One open-drain CPU output for VIA K7 chipset • Six copies of PCI output • One 48-MHz output for USB • One 24-MHz or 48-MHz output for SIO • Two buffered reference outputs • Thirteen SDRAM outputs provide support for 3 DIMMs • Supports frequencies up to 200 MHz • I2C™ interface for programming • Power management control inputs • Available in 48-pin SSOP Table 1. Mode Input Table Mode 0 1 Pin 2 CPU_STOP# REF0 Key Specifications CPU to CPU Output Skew: ......................................... 175 ps PCI to PCI Output Ske [ ... ]