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Atrust t68: Hardware 

Atrust t68 Thin Client

This is a physically small thin client with a dual core 64-bit Celeron CPU.

I believe the t68 was launched back in 2014. It is available as the t68L, t68LD (Linux) and the t68W, t68WD (Windows) versions. From a quick look at the marketing words it is not clear to me what the 'D' in the model name signifies. At the time of writing (June 2022) these products are shown as current products on the Atrust website.

Specifications

Processor & Graphics
   Type
   Speed
   Graphics		 Intel Celeron N2807 dual-core
1.58GHz
Intel HD graphics up to 1920x1200
Memory
   Flash/RAM
   		t68L: 4GB/2GB
t68W: 16GB/4GB
Ports
   Network
   USB

   Serial
   Parallel
   PS/2
   Video		 10/100/1000
2 x USB2.0 (front)
2 x USB2.0 (rear)
0
0
0 (Kybd and Mouse)
1 x DVI-I
Power
   Power
   Plug
   Off
   Idle
   Running		 5V 3A (label)
Coax 4.0mm x 1.7mm
0W
4W
6W
Dimensions
H x W x D (mm)29 x 135 x 93

The embedded operating system is either Linux or Windows. My example is the Windows version, (Windows 10 Enterprise 2016 LTSB) but, contrary to the datasheet it is fitted with 2GB of RAM not 4GB.

Power Supply

The t68 runs off 5V and requires a 4.8mm/1.7mm coax plug. It comes with a 'wall wart' style PSU. The one supplied with it is made by Phipong, has a model number PSC15R-050 and is rated at 5V 3A.

CPU

The CPU fitted to the t68 is a 64-bit dual core Intel Celeron N2807.

vendor_id :GenuineIntel
cpu family :6
model :55
model name :Intel(R) Celeron(R) CPU N2807 @ 1.58GHz
stepping :8
flags :fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology tsc_reliable nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb pti tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat

PCI

00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e)
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
00:1d.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series USB EHCI (rev 0e)
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)

Expansion

Atrust t68 circuit board The circuit board is shown right. Click on it for a larger version.

This is a physically small thin client and the there is zero space for fitting any additional hardware within the case.

Flash: The flash is a mini mSATA board plugged into a mSATA socket. Note the 'mini'. The board length is 26.8mm. You'll find some additional words on this at the bottom of the page.

As my example was running Windows the flash was a 16GB unit.

RAM: The RAM is soldered to the board and so fixed. The specification sheet I've seen suggests it is 2GB for the L version and 4GB for the W version. In my case, despite the OS being Windows, the RAM fitted is 2GB.

USB: There are two sockets on the front and two USB sockets on the rear. The specification just says 'USB'. These would appear to be USB 2.0 ports.

The specification makes no mention of any wireless option. I guess if you want to add wireless connectivity that will have to be via a USB dongle.

Click here for a larger photo of the motherboard.

mini mSATA alternative

In my experience the mini mSATA is a fairly rare beast on eBay and, if found, is significantly more expensive than its full length counterpart. The words below are the result of taking a quick look at seeing if there is an alternative.

Atrust t68 msata socket
This shows the mSATA socket (white thing on the right) and the mounting pillar for the mini mSATA board. Just past it is the heat-shrink wrapped CMOS backup battery.

Atrust t68 msata full length
Here I show a normal mSATA board in place. It just fits in terms of length but there are a few issues. Firstly the existing mounting pillar is in the way and really needs to be removed. It looks like the pillar is rivetted to the motherboard and so removing it involves more than just unscrewing it. Next there is the backup battery. In my example some of the heatshrink around the battery stands proud and needs to be trimmed (trivial). The final issue you have is how to secure the end of the board to keep it in place.

Atrust t68 internal shielding
This shows the end of the case that mSATA et al fits into. It looks like there is no problem here. The motherboard mounting pillar is clear of the mSATA board and the two bits of sprung metal are there to provide an earth connection to the shield on the front panel USB sockets.