Hardware Reference Guide
SST-DN3-PCI-1 and SST-DN3-PCI-2
16
Card
Overview
©2004 Woodhead Software & Electronics, Division of Woodhead Canada Limited
Document Edition: 1.1, Document #: 715-0083, Template Edition: 1.1, Template #: QMS-06-045
Use, duplication or disclosure of this document or any of the information contained herein is subject to the restrictions on page ii of this document.
1.4 DN3 Compatibility Overview
For a comparison of DN3 with DNP, refer to Section D.2,
Reference Documents
.
The following table outlines the requirements of different PCI revisions and the PCI
requirements of the card.
Table 1: PCI Compatibility Table
PCI
Specification
Revision
Supply Voltage Provided by
Motherboard
PCI I/O Signaling Voltage Level of
Motherboard
3.3V
5V
3.3V
5V
2.1
1
Optional Required
Not
supported
Supported
2.2 Required
Required
Supported
Supported
2.3 Required
Required
Supported
Not
supported
SST Product
SST-DN3-PCI-1
and
SST-DN3-PCI-2
Required Required
2
Supported
2
Supported
1
The card requires both 3.3V and 5V to be supplied by the motherboard. Because 3.3V
supply voltage is optional in PCI specification revision 2.1, the card may not function in
some PCI 2.1-compliant motherboards.
2
The card will auto-detect the motherboard PCI I/O signaling level and adjust its signaling level
accordingly, allowing it to function in PCI systems that support either 5V or 3.3V I/O signaling
levels.
Summary
The card’s compatibility can be summarized as follows:
•
It will operate in PCI v2.2- and v2.3-compliant systems
•
It will also operate in PCI 2.1-compliant systems that have implemented the optional
3.3V supply voltage
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