Acer Aspire S7-391 Service Manual page 27

System Board
Item
Core logic
Graphics
USB 3.0
Wireless LAN +
Bluetooth
Audio codec
Card reader
Processor
Item
CPU type
Core logic
Chipset
Processor Specifications
Item
Speed
i3-3217U 1.8 GHz
i5-3317U 1.7 GHz
i5-3427U 1.8 GHz
i7-3517U 1.9 GHz
i7-3667U 2.0 GHz
Heat Sink Fan True Value Table
CPU Temperature
40
48
55
60
65
Hardware Specifications and Configurations
Mobile Intel
Integrated in the Mobile Intel
Integrated in the Mobile Intel
MD222
Realtek 271X VB6
Built-in
Third Generation Intel
Four execution cores·
L1 cache size: Two 32 KB instruction caches and two 32 KB

data caches
L2 cache size: Two 256 KB

L3 cache size: 3 to 8 MB

Mobile Intel
CPU Cores/
Threads
2C/4T
2C/4T
2C/4T
2C/4T
2C/4T
Fan Speed (RPM)
Specification
®
HM77 Express Chipset
®
®
Specification
®
Core™ Mobile Processor Family
®
HM77 Express Chipset
Max Turbo Mfg
Freq Tech
1.8 GHz 22 nm
2.6 GHz 22 nm
2.8 GHz 22 nm
3.0 GHz 22 nm
3.2 GHz 22 nm
3470/3530
4818/6922
5228/8777
5585/10031
6553/11170
HM77 Express Chipset
HM77 Express Chipset
L3 Max
Cache TDP
3 MB 17 W
3 MB 17 W
3 MB 17 W
4 MB 17 W
4 MB 17 W
SPL Spec (dBA)
19
22
25
28
31
Core
Voltage
1.1 V
1.1 V
1.1 V
1.1 V
1.1 V
1-19