The Power Bay
A power supply in the Azza Z mounts behind the front panel. Full-sized PS/2 form factor PSUs are supported by using an included extension cable. A space between the front panel and PSU allows for a power plug and extension cable routing.
Unfortunately, because the PSU backplate features a two-hole vent design, it is incompatible with the switch positions of some power supplies. We’re hoping that production versions have a single, larger hole in the center.
FSP Power Supply Installation
The PS/2 form factor plate included with FSP’s SFX power supply can be mounted with the fan facing either way. We chose the direction shown to follow the angle of the case’s power extension cable.
Azza Z Drive Bays
Our prototype Azza Z supports two 3.5” hard drives and a slim optical drive. Hard drive connectors must face toward the power supply, which can make connections a pain with the PSU installed. On the plus side, cable routing is simplified by stowing excess cable length in a bit of free space beneath the lower drive.
Seagate SSHD Installation
Due to the prototype nature of this Azza Z sample, we weren’t surprised to find some issues. The upper hard drive bay is partially blocked by a fan bracket standoff that’s too long. Fortunately, Valve only specified a single SSHD for its first 300 prototype Steam Machines, so we only need space for one disk.
Similarly, the slim optical drive bay is partly blocked by a raised mounting point that’s too wide. Valve didn’t specify an optical drive for its first 300 prototypes, as the company is no doubt relying on game downloads for installation. With that in mind, we’re not going to fill the ODD bay either. Problems solved!
MSI Motherboard And Graphics Installation
A normal installation using a rigid riser card would have required us to install the motherboard first, then the riser, and then the graphics card. However, the prototype case's flexible riser cable allowed us to get the graphics board installed before twisting the cable into position.
Finishing Installation
After connecting the power and SSHD data cables, the panel brace/fan bracket is positioned over internal components using eight screws. The included fan is then connected to the motherboard’s remaining fan header.
Ready To Launch
So, there she sits! After re-positioning the side panel, we powered the system up to enter the UEFI, and set the G.Skill Ares DDR3-1600 CAS 9’s 1.50 volt XMP profile.
Our Steam Machine reference build is now complete, well, that is except for SteamOS, but that's always freely available.
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