Acer Aspire One D255 Series, Service Manual, Page: 27 / 272

Chapter 1 17
• Throttling 50%: On=95°C ; OFF=80°C
• OS shut down at100°C ; H/W shut down at 90°C
• Throttling 50%: On=95°C ; OFF=80°C
• OS shut down at100°C ; H/W shut down at 90°C
System Memory (DDR2)
System Memory (DDR3)
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
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
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
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