j4105 doesn't have Legacy BIOS (CSM) mode

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   I can see in user manual that this option should be present, but I don't have it...My config:
j4105 itself
Crucial DDR4 2400 4gb 
Seagate IronWolf 4tb
PSU beQuiet 400W
HDMI-connected TV
USB-connected keyboard
Because of this, I cannot install OMV - actually this is my main problem. I tried to use both partition tables: MBR and GPT for my pendrive (SanDisk USB3 16gb). I've tried to decrease partition size up to 4gb. No success. Meanwhile unRAID is booting from it. So I suppose pendrive itself being USB3 16gb is not a problem (I've read somewhere that this may cause problems).

Edited by Shurov - 16 Mar 2018 at 5:10am

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Shurov Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Mar 2018 Status: Offline Points: 3	Post Options Post Reply Quote Shurov Report Post Thanks(0) Quote Reply Topic: j4105 doesn't have Legacy BIOS (CSM) mode Posted: 16 Mar 2018 at 5:08am
	I can see in user manual that this option should be present, but I don't have it... My config: j4105 itself Crucial DDR4 2400 4gb Seagate IronWolf 4tb PSU beQuiet 400W HDMI-connected TV USB-connected keyboard Because of this, I cannot install OMV - actually this is my main problem. I tried to use both partition tables: MBR and GPT for my pendrive (SanDisk USB3 16gb). I've tried to decrease partition size up to 4gb. No success. Meanwhile unRAID is booting from it. So I suppose pendrive itself being USB3 16gb is not a problem (I've read somewhere that this may cause problems). Edited by Shurov - 16 Mar 2018 at 5:10am

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 16 Mar 2018 at 1:21pm
	OMV uses a Debian installer so no reason either Legacy or EFI would present this. Back when I had fiddled with OMV even then they warned you not to install it onto a pen drive but instead to a small SSD or HDD.

nightmw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 Aug 2018 Status: Offline Points: 2	Post Options Post Reply Quote nightmw Report Post Thanks(0) Quote Reply Posted: 02 Aug 2018 at 12:39am
	Hi, i also have the j4105B version and would like to use a LSI MegRaid 9260-8i Raid Controller in it. Unfortunately i cannot enable the Legacy Bios mode - there is no setting for this in the bios. Therefore I cannot configure the controller using the controllers "WebBios". If I Plugin the RaidController into to PCIExpress port I can see the controller under the advanced settings of the UEFI Bios. Trying to enter any configuration menu of that controller in the UEFI bios hangs the uefi bios. The mouse is moving, but the bios itself is not reacting to clicks.A reset via ctrl+alt+shift is possible though. Any help/idea how I could configure that raid controller?

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 1995	Post Options Post Reply Quote RLGL Report Post Thanks(0) Quote Reply Posted: 02 Aug 2018 at 6:51am
	With the Z370 Gaming K6 The visibility of the CSM module is controlled by disable or enable fast boot. With fast boot enabled the CSM module is removed from the page. This is on the "Boot" page.

nightmw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 Aug 2018 Status: Offline Points: 2	Post Options Post Reply Quote nightmw Report Post Thanks(0) Quote Reply Posted: 14 Oct 2018 at 5:17am
	Hi, sorry for the delay. Unfortunately this does not apply to j4105. If i disable "fast boot", i cannot see any new item / "CSM"

denywinarto Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Aug 2017 Status: Offline Points: 20	Post Options Post Reply Quote denywinarto Report Post Thanks(0) Quote Reply Posted: 21 Dec 2018 at 1:54pm
	I just bought the same board, please fix this asrock, i cant pxe boot because of it.. anyone has successfully pxe boot with this board?