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High-end signage PC supplies four HDMI ports

Jun 5, 2009 — by Eric Brown — from the LinuxDevices Archive — 57 views

Ibase Technology is shipping an “ultra-compact” signage computer with independent HDMI outputs supporting 1080p resolutions. The SI-28 Signature Book 2 runs either a dual- or quad-core AMD Athlon, and offers an ATI E4690 GPU, gigabit Ethernet, four USB ports, and wireless options, says the company.

(Click for larger view of the SI-28)

The SI-28 appears to be a more powerful version of the AMD Sempron-based SI-24S digital signage PC (pictured below, right), which Ibase began shipping in March. The SI-28 supports a single- or dual-core Athlon, or the quad-core X4 (Phenom) processor, which can be clocked at up to 2.8GHz. Graphics are provided with the ATI E4690 GPU (graphics processing unit), which boasts 320 stream processor cores and 512MB of GDDR3 video memory, says Ibase. Up to 4GB of dual-channel DDR2 800MHz system memory is said to be available via dual SODIMMs.

Ibase SI-24S
(Click for details)

Whereas the SI-24S offered two DVI video ports, which were said to support HDMI options via expansion cables, the SI-28 comes with four independent HDMI outputs that are claimed to support 1080p HD video. I/O includes a gigabit Ethernet port, four USB 2.0 ports, and two COM ports. Options for WiFi, 3G, or a TV tuner are said to be available via dual PCIe minicard interfaces. A 2.5-inch bay supports an internal hard disk drive (HDD), or a solid state disk (SSD), says Ibase.

The SI-28 is only slightly larger than the SI-24S, measuring 10.2 x 7.9 x 1.4 inches. As with the SI-24S and other Ibase Signature Book systems, the SI-28 is equipped with a segregated flow ventilation system that prevents accumulation of contaminants, says the company. The chassis boasts a five-year product lifecycle, and is equipped with dual redundant Maglev fans that offer “worry free 24/7 operation over extended durations,” claims Ibase.

Specifications listed for the SI-28 Signature Book 2 include:

  • Processor — AMD Athlon (single- or dual-core) or AMD Phenom quad-core CPUs, at up to 2.8GHz
  • Memory — Up to 4GB DDR2 400/667/800 via 2 x SODIMM sockets
  • Graphics — ATI Radeon E4690 (512MB GDDR3); AMD 780E integrated ATI Radeon HD 3200 graphics engine, with optional side-port 128MB GDDR3 memory
  • Storage — 1 x 2.5-inch HDD; optional SSD
  • Expansion — Dual mPCIe (x1) slots for WiFi, 3G, and TV tuner options
  • Networking — 1 x gigabit Ethernet (Realtek RTL8111C PCI-E gigabit LAN controller)
  • USB — 4 x USB 2.0 ports
  • Serial — 2 x RJ45 for RS232 and RS232/422/485
  • Audio/Video I/O — 4 x HDMI ports; 2 x microjack audio connectors (Line-in and Line-out)
  • Other features: Power LED; HDD LED; power button; Watchdog timer
  • Dimensions — 10.2 x 7.9 x 1.4 inches (260 x 200 x 35mm)
  • Mounting — wall mounting holes with optional VESA mounting kit
  • Power — 150W power adapter; +12V DC-in
  • Operating temperature — 32 to 113 deg. F (0 to 45 deg. C)


The SI-28 Signature Book 2 is shipping now, says Ibase, which did not disclose pricing. The company does not list supporting operating systems, but as an x86 device, the SI-28 should easily support Linux or Windows. More information may be found here.

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