Acer Aspire 5742 Service Guide - Page 16

System Block Diagram UMA HDMI Conn. RTC CKT. Fan Control Intel Arrandale (UMA) Processor rPGA988A Memory BUS(DDRIII) Dual Channel 204pin DDRIII-SO-DIMM X2 BANK 0, 1, 2, 3 1.5V DDRIII 800/1066/1333 6.4G/8.5G/10.6G 100M/133M/166M(CFD) LVDS Conn. (UMA) FDI x8 100MHz 2.7GT/s LVDS(UMA) CRT Conn. CRT(UMA) Level Shift PCI-Express x 8 (ABD PCIE1 2.5GT/S CKD PCIE1/2 2. port 2,4 HDMI(UMA) 5/5GT/S) 100MHz port 1 DMI x4 100MHz 1GB/s x4 Intel Ibex Peak-M PCH USB conn x3 USB port 1 (MB) USB Port 0 (Sub board) USB port 2 (Sub board) Bluetooth Conn USB port 11 USBx14 3.3V 48MHz HD Audio 3.3V 24MHz SATA x 6 (GEN1 1.5GT/S ,GEN2 3GT/S) 100MHz SPI CMOS Camera USB port 8 Mini card USB port 12 Card Reader USB port 9 HDA Codec ALC272X MINI Card x1 WLAN GIGA LAN BCM57780 RJ45 Conn. SPI ROM port 0 SATA HDD Conn. port 1 SATA ODD Conn. Audio AMP TPA6017 LPC BUS 33MHz Int. Speaker LS-6581P USB/B ENE KB926 Power ON/Off CKT. DC/DC Interface CKT. Power Circuit DC/DC CKT. LS-6582P PWR/B LS-6583P ODD/B Touch Pad Int.KBD BIOS ROM Clock Generator IDT: 9LRS3199AKLFT SILEGO: SLG8SP587 133/120/100/96/14.318MHZ to PCH 48MHZ to CardReader 6 Chapter 1