8 Intel Desktop Board D945GNT Specification Update
2. The following note will be added to the Technical Product Specification in
Section 1.9.2 Audio Connectors:
INTEGRATOR’S NOTES
Electrostatic discharge (ESD) can damage desktop board components. Front-
panel connectors should provide sufficient protection to prevent ESD damage
to components inside the chassis enclosure.
3. Section 1.10.3.1 of the Technical Specification will be updated in its entirety as
follows to remove reference to Jumbo frame support.
1.10.3.1 Intel
®
82573E/82573V/82574V Gigabit Ethernet Controller
The Intel
®
82573E/82573V/82574V Gigabit Ethernet Controller supports the following
features:
• PCI Express link
• 10/100/1000 IEEE 802.3 compliant
• Compliant to IEEE 802.3x flow control support
• TCP, IP, UDP checksum offload
• Transmit TCP segmentation
• Advanced packet filtering
• Full device driver compatibility
• PCI Express Power Management Support
Errata
1. Hardware Monitoring and Fan Control Could Fail and Only Run at a Maximum or
Minimum PWM for CPU Fan
PROBLEM: The Hardware Monitoring and Fan Control may only support up to 3.6V
on its Pulse Width Modulation (PWM) outputs. The 4-pin fans used with the Intel
Desktop board could have a pull up voltage as high as 5.25V, potentially causing
failures in the circuit used for fan control on this Intel Desktop Board.
IMPLICATION: If Hardware Monitoring and Fan Control fails due to this erratum, the
CPU fan could run at either 100% PWM, or at a minimum PWM (normally set to
30% PWM for four-pin CPU fans). A failure at 100% PWM could result in louder
system acoustics. A failure at minimum PWM may result in the reduced heat sink
efficiency being insufficient to fully support the processor thermal requirements at
some higher work loads. A variety of conditions such as room temperature, heat
sink characteristics, application, workload and chassis design will affect the impact
of the PWM failure. If the thermal requirements of the processor are not met, the
processor will attempt to reduce its own temperature. Depending on the severity
of the ASIC failure, this may result in a noticeable performance reduction.
WORKAROUND: None
STATUS: This erratum has been fixed. Refer to the Product Change Notification
105498-01 available at
http://developer.intel.com/design/pcn/MTHRBRD/index.htm.
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