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Full size PIAGP Bus
Full size PICMG 1.3
Full size PICMG 1.0
Half size PICMG 1.3
Half size PISA Bus
Half size ISA Bus
Half size PCI Bus


Intel ® 855GME Pentium ® M Half Size PISA CPU Card


Features Specifications Ordering Info Datasheet

Supports Pentium ® M / Celeron ® M processors
Up to 2.0GHz, 400MHz FSB
DDR DIMM x 1, max. 1GB
Integrated VGA with shared memory. Supports CRT/LVDS
Integrated 10/100 BaseT Ethernet
Watchdog timer, Digital I/O, PCI to ISA bridge
Type 2 CF socket on board, Mini PCI slot
3 x USB 2.0, 4 x serial ports
CPU Socket Socket 479
CPU Intel ® Pentium ® M, Celeron ® M processor, up to 2.0GHz
CPU Front Side Bus (FSB) 533Hz / 667MHz

ntel® 855GME Chipset:
GMCH: 82855GME 732-pin mFCBGA
ICH4: 82801DB 421-pin BGA

Processor Side Bus Frequency 400MHz
L2 Cache 1MB (CPU integrated)

Award BIOS, ACPI supported

System Memory

One DDR DIMM socket
Supports up to 1GB DDR 200/266/333 SDRAM

VGA Intel ® 82855GME built-in Intel ® extreme Graphics
Intel® Dynamic Video Memory up to 64MB shared with system
LVDS support with resolution up to 1600x1200, 24bit, 2 DF13-20 LVDS connectors

ICH4 integrated LAN controller (10/100Mb) + PHY 82562EZ


ICH4 built-in audio controller + AC97 Codec


Winbond W83627HF
Parallel x1, COM1, COM2 (RS-232), FDC 1.44MB (Slim), IrDA, hardware monitor (3 thermal inputs, 6 voltage monitor inputs, 1 chassis open detection, 3 fan headers)

Secondary I/O

Fintek F81216D: COM3 & COM4 (RS-232)

IDE Interface

Two channels; supports Ultra DMA 33/66/100
40-pin box-header x 1 (IDE1), 44-pin box-header x 1 (IDE2)

FDD Interface

1 slim-type FDD connector

Watchdog Timer

Generates system reset; 256 levels


Supports 3 USB 2.0 ports


Pin header

Mouse Connector

PS/2 type, combo connector

Keyboard Connector

PS/2 type, combo connector

Expansion Slots

Mini PCI slot

Type 2 Compact Flash socket
Edge Connectors

KB/Mouse Connector
USB Connector
VGA CRT Connector
RJ45 Connector

Power Connector

AT and ATX power connector

Form Factor

PISA Half Size CPU Card


186mm x 129mm

Environmental Factors

Operating Temperature: 0°C~60°C (32°F~140°F)
Storage Temperature: -20°C~80°C (-68°F~176°F)
Relative Humidity: 10%~90% (non-condensing)

Ordering Info
IB890 Socket 479 Pentium ® M PISA Half Size CPU Card w/ Intel ® 855GME Chipset, 10/100MB LAN
Note: Add (-R) after the model name for RoHS-compliant version when ordering.

Packing List

1 x Driver CD

1 x IB28 cable kit
(IDE*2, Printer, 4-port COM, FDD, KB/Mouse, Audio)
1 x User's Manual 1 x USB cable (P/N: USB2K-4) - optional



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