Acer D255 manual Hardware Specifications and Configurations, Processor Specification, Size Voltage

Hardware Specifications and Configurations

Processor

	Item							Specification
CPU type				Intel® Atom (N455, N475,N550) Processor
CPU package				Micro-FCBGA8 packaging technologies
Core Logic				• Intel NM10 Express chipset
				• Tiger Point(NM10 Express chipset)
				• On die 512-kB, 8-way L2 cache
				• On die 2*512-kB, 8-way L2 cache(N550)
Chipset				• Tiger Point Chipset (NM10)
				• ENE KB926 for Keyboard Controller, Battery management
					Unit, and RTC
				• Realtek ALC272X-GR for High Definition Audio Codec.
				• Atheros AR8152 for 10/100 LAN
				• ENE UB6252 card reader support SD,MMC
Processor Specifications
Item	CPU	Cores	Bus			Mfg	Cache		Package	Core	Acer P/N
	Speed		Speed			Tech	Size			Voltage
N450	1.66	1	667			45 nm	512 KB		Micro-	0.9V-	KC.ANB0
	GHz		MHz						FCBGA8	1.100V	1.450
N455	1.66	1	667			45 nm	512 KB		Micro-	0.8V-	KC.ANB0
	GHz		MHz						FCBGA8	1.175V	1.455
N475	1.83	1	667			45 nm	512 KB		Micro-	0.8V-	KC.ANB0
	GHz		MHz						FCBGA8	1.175V	1.475
N550	1.5 GHz	2	667			45 nm	2*512		Micro-	0.8V-	KC.ANB0
			MHz				KB		FCBGA8	1.175V	1.550

CPU Fan True Value Table

For N45x N47x OS mode

CPU Temperature	Fan Speed (RPM)	SPL Spec (dBA)
50	4700	26
54	5200	29
57	5500	31
35	5200	29
53	5200	29
60	5500	31

•Throttling 50%: On=95°C ; OFF=80°C

•OS shut down at100°C ; H/W shut down at 90°C

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