Atom energy efficiency champ: Intel D945GSEJT w/ Morex T1610 fanless case

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October 22, 2009 by Mike Chin

mini-ITX board w/ integrated Atom processor N270
Fanless mini-ITX case w/ 60W adapter
Market Price

The D945GSEJT is the first Atom-embedded mini-ITX board from Intel to feature the mobile 945GSE Express Chipset. You can hear the cheers from minimalist, green, and silent PC enthusiasts who have griped about previous Intel Atom boards, equipped a little noisy fan to cool the Northbridge chip even though the CPU heatsink was fanless. Along with the lower power profile, the physical profile has also been dramatically reduced, making it possible to install the new board into all kinds of tight spaces.

Earlier Intel Atom boards were saddled with the desktop 945GC Express Chipset, which Intel's own specifications show as having a TDP of 22W — far greater than the 2.5~4W TDP of the various single core Atoms or the 8W of the dual-core 330. It's no surprise that the heatsink on the Northbridge chip on the earlier Intel Atom boards is equipped with a fan.

A sample of the new D945GSEJT came from Intel not in the familar small blue-colored box, but in a larger plain cardboard carton. It turned out to be a complete kit for a very small PC system,

A larger than usual box for a mITX board...

...contained all the components for a complete, tiny PC: RAM, 2.5" hard drive, Wi-Fi card with two antennae, and a fanlessly cooled case with 60W AC/DC adapter.

Before we delve into the kit, let's take a closer look at the new Intel D945GSEJT board.

Intel D945GSEJT: Click for large image with component map.

As mentioned in the text, the physical profile is extremely low. Note absence of ATX connector on top view photo and 12V DC connector on the left end of the I/O panel.

Intel D945GSEJT: Specifications (from the product web page)
Form factor
* Mini-ITX (6.70 by 6.70 inches [170mm x 170mm])
* Board z-height is 20mm
Processor Passively cooled, integrated single core Intel® Atom™ processor N270, 533 MHz system bus, 512KB L2 cache

Single 200-pin DDR2 SO-DIMM connector:
* Support for DDR2 533 MHz SO-DIMMs (DDR2 800 MHz and DDR2 667 MHz validated at 533 MHz)
* Support for up to 2 GB single-channel system memory

Chipset Passively cooled, mobile Intel® 945GSE Express Chipset:
* Intel® 82945GSE Graphics / Memory Controller Hub (GMCH)
* Intel® 82801GBM I/O Controller Hub (ICH7-M)
Audio Realtek ALC662* codec for 2+2ch (multi-streaming) Intel® High Definition Audio (Intel® HD Audio):
* Front panel microphone/headphone header
* S/PDIF digital audio header
* Internal mono speaker header
Video Intel® GMA 950 dual-onboard graphics support:
* Analog displays (VGA)
* Digital displays (DVI-D)
I/O control Legacy I/O controller:
* 1 PS/2 header
* 2 serial headers
* 1 parallel port header
LAN support Realtek 10/100/1000 Ethernet Controller
Peripheral interfaces * 7 USB 2.0 ports (3 back panel ports, 4 front panel ports)
* 2 Serial ATA 3.0 Gb/s (supporting IDE and AHCI)
* 1 power header for storage devices
* 1 parallel ATA port (44-pin mobile header)
Expansion capabilities * 1 PCI Express* Mini Card slot for low-profile expandibility (I/O shield can mechanically support up to three external antennae for use with wireless adapter)
* 1 PCI slot
Power Integrated DC-to-DC circuitry:
* 12 VDC jack on back panel for external power supply
* ATX12V 2x2 power connector for alternate internal power supply

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