hoffsta Posted January 10, 2020 Share Posted January 10, 2020 (edited) I have a perfectly working OC EFI to boot Mojave from a SATA SSD that I built with the Vanilla guide. Anytime I plug-in another SATA SSD with a GUID Windows10 install, OC fails to process to the picker menu. I'm not even trying to boot Windows from OC, just want to use the computer with both drives attached. This has to be a problem with my config or possibly BIOS settings but I have no idea what would cause this in BIOS. Using a USB stick with a Clover EFI works as expected and I can boot into either system without issue. Anyone have guidance on what I'm missing? Attached is my config. Thanks! config.plist Full EFI folder EDIT: Actually it looks like this problem is occurring any time there's a second bootable SATA drive connected, not just Windows. I plugged in a backup drive with Mojave on it and the same problem occurs. Edited January 10, 2020 by hoffsta Additional details Link to comment https://www.insanelymac.com/forum/topic/342070-cant-boot-oc-to-macos-if-second-ssd-with-windows-is-connected/ Share on other sites More sharing options...
sailor25462 Posted January 21, 2020 Share Posted January 21, 2020 Not sure if it related, but I have a similar strange problem. This occurs when I try to build/use a fusion drive and windows on a separate ssd. OC boots into black screen. Did you check if macOS on a classic hdd works along with windows? Here it does work. At first I thought it’s about the z390 and emulated nvram. With this being solved with the new OC, maybe that solves it. Other reason I thought being possible would be memory mapping. In case you have a z390, did you calculate slide?Gesendet von iPhone mit Tapatalk Link to comment https://www.insanelymac.com/forum/topic/342070-cant-boot-oc-to-macos-if-second-ssd-with-windows-is-connected/#findComment-2705186 Share on other sites More sharing options...
hoffsta Posted January 21, 2020 Author Share Posted January 21, 2020 Turns out his issue is caused by a bug in OpenCore (as of 0.5.4) which prevents the Marvell SATA controller from working at boot. https://github.com/acidanthera/bugtracker/issues/669 Link to comment https://www.insanelymac.com/forum/topic/342070-cant-boot-oc-to-macos-if-second-ssd-with-windows-is-connected/#findComment-2705200 Share on other sites More sharing options...
hardcorehenry Posted January 21, 2020 Share Posted January 21, 2020 (edited) Also SATA HDD are affected, addicionally putting to sleep=poweroff, but it might be my "missconfig", not entirely sure, waiting for resolving this bug. EDIT: Sleep issue resolved with Hackintool>Power>Fix sleepimage and disabling System Preferences>Energy Saver>Enable Power Nap Edited January 24, 2020 by hardcorehenry Link to comment https://www.insanelymac.com/forum/topic/342070-cant-boot-oc-to-macos-if-second-ssd-with-windows-is-connected/#findComment-2705207 Share on other sites More sharing options...
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