Acer D255 manual For N550 OS mode CPU Temperature Fan Speed RPM SPL Spec dBA

For N550 OS mode

CPU Temperature	Fan Speed (RPM)	SPL Spec (dBA)
50	4600	26
54	5400	29
57	5800	31
35	5400	29
53	5400	29
60	5800	31

•Throttling 50%: On=95°C ; OFF=80°C

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

For N45x N47x w/MCP_Quartic OS mode

CPU Temperature	Fan Speed (RPM)	SPL Spec (dBA)
35	4600	26
40	5400	29
45	5800	31

•Throttling 50%: On=95°C ; OFF=80°C

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

System Memory (DDR2)

Item	Specification
Memory controller	Supports DIMM Speed
Memory size	1GB/2GB DDR2 RAM (Note: 2GB DDR2 not available for all
	operating systems)
DIMM socket number	1
Supports memory size per socket	2 GB
Supports maximum memory size	2 GB
Supports DIMM type	DDR II 667Mhz SDRAM memory interface design
Supports DIMM Speed	667Mhz SDRAM
Support DIMM voltage	1.8V
Supports DIMM package	One socket 200-pin
System Memory (DDR3)
Item	Specification
Memory controller	Built in
Memory size	1GB/2GB DDR3 RAM (if 2Gb die support is available)
DIMM socket number	1
Supports memory size per socket	2 GB
Supports maximum memory size	2 GB
Supports DIMM type	DDR III 667Mhz SDRAM memory interface design
Supports DIMM Speed	667Mhz SDRAM
Support DIMM voltage	1.5V
Supports DIMM package	One socket 204-pin

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