Acer 4740G series, Service Manual

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18 Chapter 1
Hardware Specifications and Configurations
Processor
Processor Specifications
System Board Major Chips
CPU Fan True Value Table (DIS)
•
Throttling 50%: On =99°C; Off=89°C
•
OS Shut down: 104°C
•
H/W Shut down: 92°C
Item Specification
CPU Type Intel® Mobile Calpella Arrandale CPU
Core Logic
•
Two execution cores
•
A 32-KB instruction and 32-KB data first-level cache (L1) for each core
•
A 256-KB shared instruction/data second-level cache (L2) for each core
•
Up to 4-MB shared instruction/data third-level cache (L3), shared among all
cores
CPU Package mPGA-989
CPU Core
Voltage Refer to table below
Processor
#
CPU
Speed
Cores
Bus
Speed
GT/s
Cache
Size
Package
Core
Voltage
Acer P/N
Ci3330M 2.13 GHz 2 1.6 3 MB mPGA-989 35 W KC.33001.DMP
Ci3350M 2.26 GHz 2 2.5 3 MB mPGA-989 35 W KC.35001.DMP
Ci5430M 2.26 GHz 2-4 2.5 3 MB mPGA-989 35 W KC.43001.DMP
Ci5520M 2.4 GHz 2-4 2.5 3 MB mPGA-989 35 W KC.52001.DMP
Ci5540M 2.53 GHz 2-4 2.5 3 MB mPGA-989 35 W KC.54001.DMP
Ci7620M 2.66 GHz 4 N/A 4 MB mPGA-989 35 W KC.62001.DMP
Item Specifications
Core logic Intel Ibex Peak-M (HM55)
Keyboard Controller ENE KB926 for Keyboard Controller, Battery management Unit, and RTC
LAN Broadcom BCM57780A1KMLG for Giga LAN
Media Card Reader Realtek RTS5159 for Card Reader, 7 in 1 controller
Audio Codec Realtek ALC888S-VC for High Definition Audio Codec with Dolby Digital Live
CPU Temperature ( ° C)
Fan Speed
(rpm)
SPL Spec
(dBA)
Core 0 Core 1 Core 2 Core 3
45 45 45 45 2900 28
55 55 55 55 3200 31
60 60 60 60 3500 34
68 68 68 68 3900 37
85 85 85 85 4200 40
99 99 99 99 4200 40