Acer Aspire M3-581T Service Manual page 34

System Board Major Chips
Item
Core logic
VGA
LAN
USB 3.0
Embedded controller
Bluetooth
Wireless
TPM
PCMCIA
Audio codec
Card reader
Processor
Item
Central Processing Unit
(CPU) type
CPU package
Core Logic
Chipset
Processor Specifications
Item CPU Speed
i7-2637M
i5-2467M
i3-2367M
1-24
Intel Panther Point HM77
NVIDIA Optimus™ GeForce GT640M
BCM57780
RT9712AGS
NUVOTON NPCE795L
Atheros AR3012, Broadcom BCM20702
BCM943227HM4L
NUVOTON NPCT420R(For future SKU)
N/A
Realtek ALC271X
Realtek RTS5209
®
Intel Sandy Bridge Core i7/i5/i3 Processor
FC-BGA 1023
Multi 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
Mobile Intel
Cores
(GHz)
1.7 4
1.6 2
1.4 2
Specification
Specification
®
HM77
Mfg Tech
32 nm 4 MB
32 nm 3 MB
32 nm 3 MB
Hardware Specifications and Configurations
Cache Size Package
BGA 1023
BGA 1023
BGA 1023