Acer AO722 Service Guide - Page 23

Package Item System Clock Item System clock chip Package Clock Synthesizer Power Features Crystal and Oscillator Features Item System Memory Item Memory controller Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed System Storage SSD Item HDD Specification • FCBGA • Ball Count: 998 balls • Package Size: 27 mm x 27 mm • Ball pitch: 0.8-mm uniform pitch Specification Built in 56 pin TSSOP • 100Mhz for CPU • 100MHz clock buffer for PCI-E and ICH7M SATA • 96MHz ICH7M • 48Mhz for USB clock inside ICH7M • 33Mhz PCI clock for PC device, LPC • 14.31818Mhz for ICH7M and Audio 3.3V • Support spread spectrum function, for reducing EMI • Support SM bus interface Specification • 14.31818Mhz crystal for clock chip • 32.768Khz crystal for ICH7M and WPCE775L • 25MHZ crystal for LAN RTL8102EL Specification Built in 512MB or 1GB DDR2 RAM (if 2Gb die support is available) 1 1GB 1GB DDR II 533Mhz SDRAM memory interface design 533Mhz SDRAM Specification • USB or ZIF connector (PATA compatible) Interface • 2GB, 4GB or 8GB • USB connector BTO (not user selectable) • 9.5mm height, 2.5" HDD • Easily removable no more than two screws • SATA bus • 80GB/100GB/120GB/160GB and above • 5400 and 7200 rpm (follow HDD roadmap) • SATA connector BTO (not user selectable) Chapter 1 13