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iBase IB890 Single Board Computer Socket 479 Pentium® M/Celeron M based, 855GME/852GM Chipset, Half Size PISA CPU Card, Integrated VGA, CRT/LVDS, 10/100BaseT LAN

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Ordering Information:

IB890-R   Ibase IB890-R CPU Board | Socket 479 | Half-Size PISA Single Board Computer (SBC) | with Intel 855GME/852GM Chipset | VGA, 10/100 LAN Ethernet
IB890-C6K-R   Ibase IB890-C6K-R CPU Board. Socket 479 | Intel Celeron M 600MHz (512K cache) | 852GM Half-Size | PISA CPU card | VGA | 10/100 LAN

LCD Interface18-bit dual channel LVDS
VGA ControllerIntel® 855GME/852GM integrated graphics (Intel® Extreme Graphics 2 technology), supports dual display
VGA MemoryIntel® DVMT 2.0 shared memory Max. 96MB
LAN ControllerIntel® ICH4 integrated + PHY 82562ET, 10/100BaseT
Multi I/O
AudioBuilt-in audio + AC97 codec
I/O ChipsetWinbond W83627HF + Fintek F81216D, 2x IDE, 1x FDD, 1x KB, 1x Mouse, 3x RS-232, 1x RS-232/422/485, 1x LPT
USBSupports 3 ports (USB 2.0)
CPUSocket 479 for Pentium® M / Celeron® M, up to 2.0GHz
H/W MonitorYes
SSDType II CF socket
System ChipsetIntel® 855GME/852GM + ICH4, 400MHz FSB
System Memory1x DDR DIMM, Max. 1GB
Watchdog Timer256 levels

The iBase IB890 Half Size CPU card incorporates the Intel® advanced 855GME Chipset that contains two core components: the Memory Controller Hub(GMCH) and ICH4.

The GMCH integrates a 400MHz Pentium® M processor front side bus controller, integrated graphics controller hub, integrated LVDS interface, two digital video out ports multiplexed with an AGP 4x controller, a 200/266/333 MHz DDR-SDRAM controller, and a high-speed accelerated hub architecture interface for communication with the ICH4.

The ICH4 integrates an Ultra ATA 100/66/33 controller, USB host controller that supports the USB 1.1 and USB 2.0 specification, LPC interface, FWH Flash BIOS interface controller, AC’97 digital controller and a hub interface for
communication with the GMCH.

The Pentium® M processor is a higher performance, lower power processor with several micro-architectural enhancements over existing Intel low-power processors.
Some key features of the Pentium® M processor micro-architecture include dynamic execution, data pre-fetch logic, 400MHz source-synchronous Front Side Bus (FSB), on-die 1 Mbyte second level cache (on-die 512Kbyte second level cache on Celeron M processor) with advanced transfer cache architecture, streaming SIMD extensions 2 (SSE2), and Enhanced Intel SpeedStep technology.


  • 1x DDR DIMM, Max. 1GB
  • 3x USB 2.0, 4x COM ports
  • Integrated 10/100BaseT LAN
  • Integrated VGA, shared memory, CRT/LVDS, supports dual display
  • Supports Pentium® M / Celeron® M processors up to 2.0GHz, 400MHz FSB
  • Type II CF socket, MiniPCI slot
  • Watchdog timer, Digital I/O, PCI to ISA bridge