Specification Changes; Front Panel Usb Headers - Intel DH55TC Specification

Specification Changes

The Specification Changes listed in this section apply to the Intel
DH55TC Technical Product Specification (Order Number E81940).
1. Updated Section 2.2.2.2 Add-in Card Connectors and Section 2.2.2.6 Front Panel
USB Headers of the Intel Desktop Board DH55TC Technical Product Specification as
shown below.
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• One PCI Express 2.0 x16: this connector supports simultaneous transfer speeds of
up to 8 GB/s of peak bandwidth per direction.
• Two PCI Express 2.0 x1: each of these connectors support simultaneous transfer
speeds of up to 250 MB/s (2.5 GT/s) of peak bandwidth per direction.
• Three Conventional PCI (rev 2.3 compliant) connectors.

2.2.2.6 Front Panel USB Headers

Figure 12 is a connection diagram for the front panel USB headers.
NOTES
• The +5 V DC power on the USB headers is fused.
• Use only a front panel USB connector that conforms to the USB 2.0 specification for
high-speed USB devices.
• USB Header 2 (FP USB 2) has Pin 10 routed to the HDD LED to support specific
USB SSD devices. Connecting any device to this header, that has any connection to
Pin 10, may cause the HDD LED to behave erratically or stay on continuously.
2. Corrected the number of Conventional PCI connectors in Section 2.2.2.2 of this
Specification Update from three to one.
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• One PCI Express 2.0 x16: this connector supports simultaneous transfer speeds of
up to 8 GB/s of peak bandwidth per direction.
• Two PCI Express 2.0 x1: each of these connectors support simultaneous transfer
speeds of up to 250 MB/s (2.5 GT/s) of peak bandwidth per direction.
• One Conventional PCI (rev 2.3 compliant) connectors.
Intel Desktop Board DH55TC Specification Update
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Desktop Board
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