Official CustoMac Mini 2012 Guide and Notes (in progress) I picked up the H77N-WIFI and i3-3225 1. Installation setup is UniBeast. 2. Post installation is MultiBeast. As with all Gigabyte 7-series motherboards, the GA-H77N-WIFI and GA-Z77N-WIFI work great without DSDT, however if you want HDMI audio through HD 4000 integrated graphics, DSDT edits are necessary. Onboard HDMI Guide 1. Download the appropriate DSDT from the DSDT Database 2. Here are With DSDT MultiBeast settings for both the Z77N and H77N. With DSDT (Onboard HD 4000 HDMI) You should get the same audio options as shown here: Inside MultiBeast: Audio and HDMI Audio Optional DSDTs Now Available for CustoMac Mini 2012 HDMI Audio NOTE: If you previously used MultiBeast, start fresh by deleting any HDAEnabler.kext from /System/Library/Extensions, and your current /Extra folder. Then run the appropriate selections from MultiBeast again. Optionally, you may run DSDT-Free. Here are DSDT-Free MultiBeast settings for both the Z77N and H77N. DSDT-Free Settings (No onboard HDMI Audio) Geekbench Results - 32-bit tryout mode: http://browser.primatelabs.com/geekbench2/1191707 Mini-PCIe Card alternatives: The H77N and Z77N include a mini-PCIe card slot with an Intel mini-PCIe card capable of both Wi-Fi and Bluetooth. Please note that only the bluetooth features of this card are available under OS X. There are alternate cards you can stick in your mini-ITX board for full native Airport. Check out these links for details: [Guide] Airport - Half Mini PCIe (Atheros) toleda's excellent guide to choosing an alternate Atheros card for WIFI 1. Atheros AR9280 and AR9380 a. AR9280 - 2.4/5 GHz 802.11n, 2 Stream, 300 Mbs b. AR9380 - 2.4/5 GHz 802.11n, 3 Stream, 450 Mbs 100% Vanilla MINI PCIe WiFi Card tested on 10.6.8, 10.7.4, 10.8.1 (Broadcom) Mad audi scientist's excellent guide to choosing an alternate Broadcom mini PCIe card for WIFI THIS POST WILL BE UPDATED!