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Boot from Card reader on M5A78LM LX

Last response: in Motherboards
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July 30, 2012 12:46:47 PM

Sorry for the cross-post, but I couldn't find a way to move it and I realized that this may be better in the motherboard forum. The earlier post is here: http://www.tomshardware.com/forum/287637-32-boot-card-r...

I have a Rosewill RCR IM5001 card reader that I am using on a computer with an M5A78LM LX Motherboard and I am having difficulty getting it to boot automatically. I found that I can boot from the SD card if I go to the boot menu (F8). It has 5 devices showing related to the card readers. The one that I need to choose is called "SD/MMC". When I go to the BIOS settings in the boot menu for the Removable Drives, this option is not present, although the other four are.

Has anybody had a similar problem? Can you give me an idea how I might fix this?

Thanks in advance for your help.

Here is some more information. I just upgraded my bios to version 1003, and I still have the same problem.

When booting, there are 5 devices detected, in the F8 menu, all 5 devices are showing, but in the BIOS settings, there are only 4. The one that I need is missing. I need to select "Generic - SD/MMC" Note that there is another remobable drive specified that is similar, "Generic - SD/MMC/MS/MSPRO" however this is not the device that I want. Could it be that the bios only looks at the first number of characters? The reason why I am saying this is because, in my older version of the bios, it only showed up to the "Generic - SD/M' or something similar. Both of the two devices would have the same name if it is truncated to that point.
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a c 716 V Motherboard
July 30, 2012 1:52:14 PM

First off admittedly I am not an AMD guru, but there are (3) three reasons I can think of that are common problems not to mention I only use a USB Flash Drive.

1. The 'Flash Drive' must be formatted properly and bootable. Here's two nice videos, the part (a) before the drag & drop illustrates how to make the 'Flash Drive' bootable, and the the remainder is how to create a 'Flash Drive' Widows installer:
a. MBR - http://www.youtube.com/watch?v=ZcSVVPbzIno
b. GPT - http://www.youtube.com/watch?&v=sDm8rWr3dV8

2. Native USB Chipset, in your case use the AMD SB710 controller: (10 x USB 2.0 port(s) (4 at back panel, gray, 6 at mid-board))

3. HUB, unlike a USB Flash Drive the Card Reader has a HUB that further splits the media 'slots' vs a direct (non-HUB). There's no 'fix' to circumvent the HUB other than to use a USB Flash Drive @ one of the MOBO's I/O direct USB ports.
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July 30, 2012 6:23:54 PM

jaquith said:
First off admittedly I am not an AMD guru, but there are (3) three reasons I can think of that are common problems not to mention I only use a USB Flash Drive.

1. The 'Flash Drive' must be formatted properly and bootable. Here's two nice videos, the part (a) before the drag & drop illustrates how to make the 'Flash Drive' bootable, and the the remainder is how to create a 'Flash Drive' Widows installer:
a. MBR - http://www.youtube.com/watch?v=ZcSVVPbzIno
b. GPT - http://www.youtube.com/watch?&v=sDm8rWr3dV8

2. Native USB Chipset, in your case use the AMD SB710 controller: (10 x USB 2.0 port(s) (4 at back panel, gray, 6 at mid-board))

3. HUB, unlike a USB Flash Drive the Card Reader has a HUB that further splits the media 'slots' vs a direct (non-HUB). There's no 'fix' to circumvent the HUB other than to use a USB Flash Drive @ one of the MOBO's I/O direct USB ports.


Thanks for your reply, jaquith.

I am able to boot from this configuration. The problem is that I can't choose the correct boot device in the BIOS setup. If I go to the boot menu (pressing F8) when booting up. The option is there, and I can boot properly.

I am thinking that since I can boot, it isn't a problem with the bootable flash drive, or a problem with the USB or HUB configuration.
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