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Item#: N82E16813157473

ASRock FM2A55M-HD+ FM2+ / FM2 AMD A55 (Hudson D2) HDMI Micro ATX AMD Motherboard

  • AMD A55 (Hudson D2)
  • Athlon/A- Series
  • DDR3 1866/1600/1333/1066
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Learn more about the ASRock FM2A55M-HD+

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the ASRock FM2A55M-HD+

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  • darrell e.
  • 7/10/2014 2:39:16 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggspci-e 3.0

Pros: has 1 pci-e 3.0 slot. so great starter board if your trying to get into mining for bitcoins or other digital currency.

Cons: only thing i can think of that would make this board any better would be to have 4 ram slots. other then that no problems.

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  • Robert B.
  • 4/19/2014 10:03:32 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood Board

Pros: Solid Board
Easy UEFI

Cons: I/O Shield could be prettier

Other Thoughts: Everything fit well. The I/O Shield wasn't as nice as the ASRock A88X ITX mobo's shield I used in a build last month, but that's only aesthetic.
I had used 2133 RAM but it read as 1600, so I was able to easily fix that in the UEFI utility.
Overall, as long as you get the features you need, I find ASRock makes good mobos.
.

0 out of 1 people found this review helpful. Did you? Yes No

  • Scott L.
  • 3/30/2014 4:58:24 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGreat Board

Pros: Good quality feel; Supports my AMD A10-7700K with a quick bios update from a flash drive; Running Team Group Yellow DDR3 2133. Going to try out overclocking when my new cooler comes in.

Cons: No usb 3.0 port; but hopefully the card I ordered should fix that.

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  • Dylan C.
  • 2/22/2014 7:39:32 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsRAM Incompatibility Issues, Strange CPU Temps

Pros: Great UEFI BIOS; the Internet Flash tool is awesome (you can flash the BIOS from within the mobo)
Wasn't DOA

Cons: Poor memory support (especially in the 2133 MHz range - see the board's memory support list: http://www.asrock.com/mb/AMD/FM2A55M-HD+/?cat=Memory) with only five models (of tens? hundreds?) supported, none of which are cheap or easy to find.
No USB 3.0
Strange CPU thermal behavior
Poor BIOS Documentation

Other Thoughts: The RAM is placed so close to the processor that an aftermarket heatsink I purchased (CoolerMaster Hyper T4) would not fit.

After returning it and settling for the stock heatsink, I noticed my machine was not operating at the level of performance I was expecting (maxed out at Medium-Low quality at 1600x900 on L4D2?), I checked the BIOS and found my RAM was timed at 1600 MHz despite it being G.Skill ARES 2133 MHz RAM. I bumped up the frequency and checked the timings (which were correct) and when I restarted, things looked beautiful (TF2 and L4D2 smooth at very high settings with 2x AA - unbelievable for an on-die GPU, if you ask me). Unfortunately, after about 5 minutes of play in TF2, the system abruptly shuts down.

Obviously, something catastrophic is occurring. Naturally, I think the CPU is overheating, so I use lm_sensors (I'm on Fedora 20) and the CPU seems high, but within tolerance (62 C in TF2, where 75C is the max operating temperature for an AMD A10-6800K), and yet the system is abruptly losing power at that temperature.

I double-check that my admittedly small PSU is capable of providing sufficient power, and it is.

After that, I start investigating settings in the UEFI BIOS but find that they are very poorly described, and completely absent from the quick start guide provided with the product. I use my iPhone to acquire a QR Code from within the UEFI BIOS which promises more details regarding the settings, and I am in fact directed to a URL presenting a User's Manual (which strangely didn't come with the product). It is, unfortunately, poorly written and often simply restates the name of the setting in its description (i.e., for "CPU Thermal Throttle" it is stated only: "Use this item to enable CPU internal thermal control mechanism to keep the CPU from overheated [sic]. The default value is [Auto]."

Thanks...for that. Nowhere could I find how it derived the maximum operating temperature from my processor (I thought it might be set too low); there doesn't appear a place to set it.

In going through the guide, I did ,however, locate a page which directed me to ASRock's site (see Cons above) with information about compatible memory modules. Thinking to at least rule that out as a problem (I have G.Skill for goodness' sake), I go there and to my dismay find that my RAM is not listed as being compatible with the board.

Given that all instability began with the modification of the incorrectly-detected RAM clock speed, I presume this is the problem and RMA the board.

Too bad, kinda my fault for not doing my homework, I guess, but this seems somewhat bad on their behalf to me, especially with the importance of high memory speed to APUs.

1 out of 7 people found this review helpful. Did you? Yes No

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Item#: N82E16813157473
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