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3.5-inch SBC steps up to Sandy Bridge power

Oct 13, 2011 — by LinuxDevices Staff — from the LinuxDevices Archive — 13 views

Ibase announced a 3.5-inch single board computer (SBC) that supports Intel “Sandy Bridge” Core processors clocked up to 2.6GHz. The IB905 has two gigabit Ethernet ports, two USB 3.0 ports, four USB 2.0 ports, plus support for both DVI-I and LVDS displays, the company says.

Like many other SBCs from Ibase, the IB905 uses the "3.5-inch" format that actually measures 5.8 x 4.0 inches. However, it's the company's highest-powered such offering, most others relying on AMD Geode or Intel Atom processors (the IB891, for example).

Ibase's IB905
(Click to enlarge)

According to Ibase, the IB905 uses Intel's QM67 Express chipset, while a rPGA988B socket on the back of the board accepts "Sandy Bridge" processors (including Core i7/i5/i3 and Celeron versions) clocked at up to 2.6GHz. A single DIMM slot accepts up to 4GB of DDR3 memory, the company adds.

The IB905 also includes a Mini PCI Expansion slot, no doubt intended primarily to accept a wireless networking card, and two 6Gbit/sec. SATA ports. Coastline connectors, seen at the top of the image below, consist of a DVI-I port, two gigabit Ethernet ports, two USB 3.0 ports, and two USB 2.0 ports.

Ibase's IB905 in detail
(Click to enlarge)

The rest of the IB905's interfaces are provided by headers. Namely, there are: an LVDS connector; four additional USB 2.0 ports; two serial ports (1 x RS232 and 1 x RS232/422/485); and a 5:1 audio output, according to Ibase.

Ibase did not detail whether the IB905 can run fanlessly, though we suspect that most of the processor choices would require a little help with heat dissipation. The company does cite an optional processor heat sink, and says the SBC can operate in temperatures ranging from 32 to 140 deg. F.

Specifications listed by Ibase for the IB905 include:

  • Processor — Sandy Bridge Core or Celeron CPUs (rPGA988B); clock speeds up to 2.6GHz
  • Chipset — Intel QM67 Express
  • Memory — up to 4GB of DDR3 RAM via single DIMM slot
  • Expansion — Mini PCI slot
  • Storage — 2 x 6Gbit/sec. SATA ports
  • Networking — 2 x gigabit Ethernet (RJ45 connectors)
  • Other I/O:
    • 2 x USB 3.0
    • 6 x USB 2.0 (two Type A connectors; four headers)
    • DVI-I
    • LVDS
    • 1 x RS232 (header)
    • 1 x RS232/422/485 (header)
    • 5:1 audio (header)
  • Power — 12VDC
  • Operating range — 32 to 140 deg. F
  • Dimensions — 5.8 x 4 inches

Further information

While pricing and operating system support were not detailed, the IB905 appears to be available now. More information may be found on the IB905 product page.

Jonathan Angel can be reached at [email protected] and followed at

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