Acer Aspire 4540 Acer Aspire 4540 Series Service Guide - Page 25

Hardware Specifications and Configurations Processor Item CPU Type Core Logic CPU Package Specification AMD Tigris UltraTurion-II, Turion-II, Athlon-II and Sempron • AMD RS880M • AMD SB710 • ENE KB926 for Keyboard Controller, Battery management Unit • Integrated VGA solution for RS880M / M92M2-XT • REALTEK ALC888 for High Definition Audio Code. • Atheros AR8131-AL1E for Giga LAN uPGA-638 package CPU Processor Specifications Processor # CPU Speed Cores Sempron S142 2.1 GHz Athlon64 X2 QL62 2.0 GHz Athlon64 X2 QL64 2.1 GHz Turion RM72 2.1 GHz Turion RM74 2.2 GHz Turion X2 ZM82 2.2 GHz Turion X2 ZM84 2.3 GHz Turion X2 ZM86 2.4 GHz Bus Speed 638 638 638 638 638 638 638 638 Mfg Tech Cache Size 512 kB Package B1 Core Voltage 25 W 1 MB B1 35 W B1 35 W 1 MB B1 35 W 1 MB B1 35 W 2 MB B1 35 W 2 MB B1 35 W 2 MB B1 35 W System Board Major Chips Item Specifications Core logic • AMD RS780MN • AMD SB700 VGA • Integrated VGA solution for RS880M / M92M2-XT LAN • Atheros AR8131-AL1E for Giga LAN Audio Codec REALTEK ALC888 CPU Fan True Value Table CPU Temperature (°C) Core1 Core 2 50 50 59 59 68 68 76 76 85 85 Fan Speed (rpm) 2800 3100 3400 4000 4500 SPL Spec (dBA) 28 31 34 37 40 • Throttling 50%: On =95°C; Off=87°C Acer P/N KC.SSI02.420 KC.AQL02.640 KC.AQL02.640 KC.TRM02.720 KC.TRM02.740 KC.TZM02.820 KC.TZM02.840 KC.TZM02.860 Chapter 1 15