Acer 5250-0639 Laptop User Manual


 
Chapter 1 13
System Clock
Crystal and Oscillator
System Memory
System Storage
Package
FCBGA
Ball Count: 998 balls
Package Size: 27 mm x 27 mm
Ball pitch: 0.8-mm uniform pitch
Item Specification
System clock chip Built in
Package 56 pin TSSOP
Clock Synthesizer
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
Power 3.3V
Features
Support spread spectrum function, for reducing EMI
Support SM bus interface
Item Specification
Features
14.31818Mhz crystal for clock chip
32.768Khz crystal for ICH7M and WPCE775L
25MHZ crystal for LAN RTL8102EL
Item Specification
Memory controller Built in
Memory size 512MB or 1GB DDR2 RAM (if 2Gb die support is available)
DIMM socket number 1
Supports memory size per socket 1GB
Supports maximum memory size 1GB
Supports DIMM type DDR II 533Mhz SDRAM memory interface design
Supports DIMM Speed 533Mhz SDRAM
Item Specification
SSD
USB or ZIF connector (PATA compatible) Interface
2GB, 4GB or 8GB
USB connector BTO (not user selectable)
HDD
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)
Item Specification