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DT Research DT133: Hardware 

DT Research DT133 Thin Client

Like the DT166 the DT133 is small and compact. I do not know when it was launched, but the Basic Operation Guide for it was created in January 2011. The chipset it uses is the same as the Acer AspireRevo and the Tadpole Pulsar.

A distinctive feature is that it has a large external finned heatsink that is on the bottom of its case.

Specifications

The basic specs are:

Processor
   Type
   Speed		Intel Atom N270
1.6GHz
Memory
   Flash
   RAM		8GB
2GB
Video
   Chip
   Max resolution
   Ports		 Nvidia ION
up to 2560 x 1600
1 x DVI-I, 1 x HDMI
Ports
   Network
   USB
   Serial
   Parallel
   PS/2		 10/100/1000
4 x USB2.0
1
0
None
Power
   Plug
   Input
   Off
   Idle
   Running		 Coax: 4.8mm/1.7mm
19V 2.36A (from label)
1W
16W
16W
Dimensions
W x H x D148mm x 55mm x 165mm

My DT133 carries a sticker for Windows Embedded Standard 7 (WS7E) but came without any SSD fitted.

OS options are:

  • Microsoft Windows XP Embedded
  • Windows XP Pro
  • Windows Embedded Standard 7

Processor

The CPU is a single core Atom processor with Hyper-Threading. Linux cpuinfo reports:

vendor_id :GenuineIntel
cpu family :6
model :28
model name :Intel(R) Atom(TM) CPU N270 @ 1.60GHz
stepping :2
flags :fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon pebs bts cpuid aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe lahf_lm dtherm

PCI

00:00.0 Host bridge: NVIDIA Corporation MCP79 Host Bridge (rev b1)
00:00.1 RAM memory: NVIDIA Corporation MCP79 Memory Controller (rev b1)
00:03.0 ISA bridge: NVIDIA Corporation MCP79 LPC Bridge (rev b3)
00:03.1 RAM memory: NVIDIA Corporation MCP79 Memory Controller (rev b1)
00:03.2 SMBus: NVIDIA Corporation MCP79 SMBus (rev b1)
00:03.3 RAM memory: NVIDIA Corporation MCP79 Memory Controller (rev b1)
00:03.5 Co-processor: NVIDIA Corporation MCP79 Co-processor (rev b1)
00:04.0 USB controller: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:04.1 USB controller: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:06.0 USB controller: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:06.1 USB controller: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:08.0 Audio device: NVIDIA Corporation MCP79 High Definition Audio (rev b1)
00:09.0 PCI bridge: NVIDIA Corporation MCP79 PCI Bridge (rev b1)
00:0c.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
00:10.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
00:15.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
00:16.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
00:17.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
00:18.0 PCI bridge: NVIDIA Corporation MCP79 PCI Express Bridge (rev b1)
03:00.0 VGA compatible controller: NVIDIA Corporation ION VGA (rev b1)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
              RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 02)

Power Supply

The DT133 requires an external 19V power supply. On the case it reads "19V 2.36A". The coax plug needed is 4.8mm/1.7mm. I used an old 18.5V laptop PSU that I had to hand.

CMOS Battery

The battery for the CMOS memory is one on a flying lead and so is not as cheap as some should you need to replace it.

Disassembly

Top of DT133 In the centre of the top of the unit is a plate that's held by four screws. Remove this to gain access to the main circuit board.

You can see from the photo that my DT133 has been rebadged by SUMO.

Expansion

Click on the photo for a larger version.

click for larger image click for larger image

Flash: The Flash memory in the DT133 is a SATA SSD and plugs into a socket on the end of a cable rather than a socket on the board. My DT133 came without an SSD, the SATA cable was just lying loose within the case. (Mouse over the photo right to see). The only mounting point I can see within the housing is a single pillar for securing a mPCIe card. I have no idea of the size/shape of the SSD and how it might be mounted.

RAM: The RAM is a single DDR2 SODIMM. I've fitted a 2GB PC2-6400S part that worked perfectly. (part HYS64T256020EDL-2). The data sheet I have says nothing about the memory other than '2GB'. Whether a 4GB part will work I have no idea. However a quick check on eBay shows that you could probably buy a number of better thin clients for the price of a single 4GB DDR2 memory part. (It explains why I have none in my spares box).

USB: There is a 4-pin JST connector on the board labelled JUSB3. I have done nothing with this.

mPCIe: There is a mPCIe connector on the board. I tried out an Atheros AR5BXB63 which was not recognised, but an Atheros AR5B91 was. The mounting pillar is sited for the longer (50mm) card. If you fit a half-size card you'll have to be a bit inventive to secure it in place.

Additional Photos

DT133 mPCIe port The mPCIe port on the DT133. To the left you can see the white socket of the additional USB port.

DT133 additional USB port Another view of the USB socket. Along the bottom of the photo you can see the mPCIe socket to the right and the mounting pillar for a 50mm card on the left.

DT133 angled view A view of the extensive heatsink on the base of the case.