Lenovo United States Hardware
Announcement 109-627
Lenovo is a registered trademark of Lenovo Corporation
4
Year of manufacture Value stored
2004 14
2005 15
2006 16
2007 17
An international industrial standard by the name of DDC/CI was developed by
VESA to expand upon an existing DDC standard. This new standard adds control
functionality without the need for additional connections.
The main advantage of DDC/CI is its bi-directional communication structure between
PC and monitor, which does not require a separate cable. All data are transmitted
in both directions via the video graphics card and the standard VGA or DVI signal
cable. This capability allows for functions like monitor control, adjustments, and
diagnostics to be conducted via software using the mouse and keyboard. In an
enterprise or firm, this capability also allows the potential of remote diagnostics
and asset management by a technician via the LAN. Customer-supplied software is
needed to implement these functions.
International Organization for Standardization (ISO)/DIS 9241-307
ISO/DIS 9241-307 ensures ergonomic requirements are met when the Lenovo
L2251p Wide ThinkVision monitor forms part of an ISO-compliant system. ISO/DIS
9241-307 is an international standard addressing ergonomic factors for flat-panel
displays.
ISO-capable elements do not necessarily make an ISO-compliant system when put
together. To satisfy the requirements of ISO 9241-307, a complete platform must be
tested and must comply with all applicable elements of ISO 9241-307. The platform
includes:
• System unit
• Operating system
• Fonts
• Video subsystem
• Monitor
• Keyboard
• Mouse
When all contributing platform components satisfy their portion of the requirements,
as verified by the required total system testing, the platform is ISO 9241-307
compliant.
Low frequency electromagnetic emissions
The Lenovo ThinkVision L2251p Wide LCD monitor meets the Swedish Board for
Technical Accreditation (SWEDAC) MPR-2 requirements. MPR-2 is a guideline
developed by the SWEDAC to limit the electromagnetic emissions and electrostatic
fields generated by workstations.
Electric and magnetic fields with frequencies between 5 Hz and 2 kHz are called
extremely low frequency (ELF) fields. Those with frequencies between 2 and 400
kHz are called very low frequency (VLF) fields.
TCO 5.0 compliance
• Environment
• Ergonomics
• Usability
• Reduction of electric and magnetic fields
• Energy consumption
