install/55105: Apple iMac 2009 installation hangs

[munkees%mac.com@localhost]

>Number:         55105
>Category:       install
>Synopsis:       Apple iMac 2009 installation hangs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 24 19:40:00 +0000 2020
>Originator:     Warren Hardy
>Release:        9.0
>Organization:
>Environment:
Apple iMac 2009 (late)


>Description:
I boot the USB UEFI I get the screen which gives 2 options

1. Install NetBSD
2. Drop to boot prompt

I select 1

then I get this numbers
18618424+667072+1430080 [888560+1246344*8897601=0x16e30c0
_

the system just hangs.

I tried all the iso and the usb image, those are not recognized by the mac mini's EFI chooser

>How-To-Repeat:

>Fix: