H57H-MUS(V1.0A) (no longer for sale)
H57H-MUS(V1.0A)
(no longer for sale)H57H-MUS V1.0A has an onboard POST codes display LED. What are POST codes?
"POST" stands for Power On Self Test. When the computer starts to run, it does a self test of the components on the motherboard. This board has an onboard POST codes display LED as the below picture. It helps user easier to get to know if the computer's boot process properly or not. It also helps user easier to figure out what the possible failure might be if the BIOS detects a problem and cannot go ahead. Here is POST codes checkpoints for you reference.
When I power on my H57H-MUS MB, I get "no display" & there are some short beeps. What is wrong?
Please make sure your CPU is Intel Core i5/i3 series with "Intel HD Graphics". First make sure the CPU is in the CPU Support list as the link indicated in CPU tag. Then check the CPU if "Graphics" support. For more detail about the CPU information. Please visit Intel Webstie. If your processor has no “Integrated Graphics”, you must install a PCI-E graphics card to get the display output. Otherwise, you may receive "no display" on this model. For more information about this behavior, please check out the Intel website below.
http://www.intel.com/support/processors/sb/CS-031174.htm
Can I get the 3 outputs of onboard HDMI,DVI,& D-sub from H57H-MUS V1.0A at the same time?
D-sub + DVI + HDMI
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Not support
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D-sub + DVI
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OK
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D-sub + HDMI
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OK
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DVI + HDMI
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OK
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System reports 8GB(3.99GB usable) at 64bit OS with 8GB(2GB*4pcs)memory installed. And "Memory Remap Feature" is "enabled" under Advance Chipset of BIOS.
The possible reasons may cause the memory size half reduction are,
1. Memory Remap Feature need to be enabled for 64bit OS.
2. Memory module not well installed on DIMM slot.

Can I install an external PCI Express graphics card and use it in parallel with Intel graphics?
According to the datasheet of Intel 5 series chipset, Intel graphics cannot be used along with an external PCI Express graphics controller. Installing a PCI Express graphics controller will disable Intel graphics. Please refer to the following website for more information about Multiple Display.
http://www.intel.com/support/graphics/sb/CS-031040.htm#8