New PICMG 2.30 Standard Names 3M Ultra Hard Metric (UHM) Socket Connector as the high-speed J2 Connector
AUSTIN, Texas – Jan. 26, 2010 - The PCI Industrial Computer Manufacturers Group (PICMG)
recently ratified the new PICMG 2.30 CompactPCI Plus IO standard, specifying the fully
shielded Ultra Hard Metric (UHM) Socket Connector from 3M as the high-speed J2 connector.
The new PICMG 2.30 specification adds PCI Express, Ethernet, SATA, SAS and USB
extensions to the CompactPCI family of specifications while preserving PCI bus connectivity
and backward compatibility. The specification defines the use of previously reserved rear I/O
pins for the 32-bit CompactPCI system slot with new high-speed serial signals to preserve
interoperability with existing CompactPCI standards.
The UHM socket connector from 3M, in its J2 configuration, was specified for the new standard
due to its signal transmission quality and backward compatibility. The UHM socket connector
allows end users of CompactPCI equipment to leverage their existing investment in PCI bus
cards while using the same system for newer, high-speed serial data applications.
The "virtual coaxial box" shielding technology from 3M dramatically reduces the severe
crosstalk commonly experienced by 2 mm hard-metric connectors at 1 to 1.5 Gbps speeds,
enabling the UHM socket connectors from 3M to achieve speeds greater than 7 Gbps. The 3M
UHM socket connector is designed to mate with industry-standard and widely available 2 mm
hard-metric header connectors (IEC 61076-4-101).
The UHM socket connector is available in 5-row (A, B, CL, CR, AB) and 8-row (D, E, DE, FL,
FR) form factors allowing a very high signal density – 101 signals per linear inch for the 8-row
and 63 signals per linear inch for the 5-row.
Reasonable and Non-Discriminatory (RAND) licensing for claims in 3M's patents and patent
applications that are necessary to implement the new PICMG 2.30 Compact PCI PlusIO standard
is available immediately. A copy of the license may be obtained under a Confidential Disclosure
Agreement from the 3M Electronic Solutions Division by calling 512-984-6399.
About 3M Electronic Solutions Division
3M Electronics Solutions Division offers innovative solutions to the electronics market, such as
static control products; copper interconnect systems; cables and cable assemblies; carrier and
cover tapes and trays; flexible circuits; embedded capacitor materials; and Textool brand test and
burn-in sockets. For more information on interconnect solutions available from the 3M
Electronic Solutions Division, visit www.3m.com/UHM
A recognized leader in research and development, 3M produces thousands of innovative products for dozens of diverse markets. 3M's core strength is applying its more than 40 distinct technology platforms – often in combination – to a wide array of customer needs. With $25 billion in sales, 3M employs 76,000 people worldwide and has operations in more than 60 countries. For more information, visit www.3M.com.
3M and Textool are trademarks of 3M.
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