Select the folder containing the driver you downloaded (Figure 3).
On the window titled: Update Drivers, select Browse my computer for driver software.Right click on SCSI Controller, and select Update Driver.On the windows titled: Device Manager, you should see an Under device manager you should see a grouping Other devices -> SCSI Controller, select SCSI Controller (Figure 2).On the window titled: Hardware and Sound, under the grouping Devices and Printers, choose Device Manager.On the window titled: Control Panel, Adjust your computers settings, choose Hardware and Sound.In the Command Prompt Window run: bcdedit.exe /set nointegritychecks ON (added 1).Run Command Prompt as Administrator (added 1).
Wait for you computer to finish restarting, you should now be able to install the driver for your card.After your computer restarts, on the screen titles Startup Settings, select Disable Driver signature enforcement (option 7 for me).On the screen titled: Startup Settings, select Restart.On the screen titled: Advanced Options, select Startup Settings (you may have to select more options).On the screen titled: Troubleshoot, select Advanced options.On the screen titled: Choose and option, select Troubleshoot (Figure 1).Hold down your shift key and select windows -> power -> restart.the folder contains 3 files: djsvs.inf, djsvs.PNF, djsvs.sys.there should be a folder called: AdaptecAic78xx.Download either the AHA-29xx or AIC-78xx driver for your card if you haven’t already.Physically install your SCSI card in to your computer if you haven’t already.I’ve updated this post with his suggested changes. Update 1: Shane Cook (see comments) provided an easier way to install unsigned drivers. Updated 3: Shane’s suggested method is now blocked by windows Secure Boot Policy… you can turn off the Secure Boot Policy, but the methods I found are more complex than the original method to do this… so I’ve reverted back.
Step 3: Configure Windows 10 to let you install unsigned drivers You will need a VHDCI 68M SCSI cable or adapter, they are still being sold by: LexTek (if you know of other sources, please let me know in the comments).