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1.8.7
JCASE1: Case Open Sensor
The AIMB-270 motherboard contains a jumper that offer a chassis open sensor. The
buzzer on the motherboard beeps when the case is opened.
1.9
System Memory
The AIMB-270 has two sockets for a 204-pin DDR3 SODIMM.
This socket uses a 1.5 V unbuffered double data rate synchronous DRAM (DDR
SDRAM). DRAM is available in capacities of 1 GB, 2 GB and 4GB. The sockets can
be filled in any combination with SODIMMs of any size, giving a total memory size
between 1 GB, 2 GB and 4GB. AIMB-270 does NOT support ECC (error checking
and correction).
1.10
Memory Installation Procedures
To install SODIMMs, first make sure the two handles of the SODIMM socket are in
the "open" position, i.e., the handles lean outward. Slowly slide the SODIMM module
along the plastic guides on both ends of the socket. Then press the SODIMM module
well down into the socket, until you hear a click when the two handles have automat-
ically locked the memory module into the correct position of the SODIMM socket. To
remove the memory module, just push both handles outward, and the memory mod-
ule will be ejected by the mechanism.
1.11
Cache Memory
The AIMB-270 supports a CPU with one of the following built-in full speed L2 caches:
4 MB for Intel Core i7-620M CPU
3 MB for Intel Core i5-520M CPU
2 MB for Intel Celeron CPU
The built-in second-level cache in the processor yields much higher performance
than conventional external cache memories.
1.12
Processor Installation
The AIMB-270 is designed for µFC-PGA989, Intel mobile Core i7/Core i5/Celeron
processor.
AIMB-270 User Manual
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