Intel Desktop Board D815EEA2/D815EPEA2 Technical Product Specification
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2.8.2 Internal I/O Connectors
The internal I/O connectors are divided into the following functional groups:
• Audio, video, power, and hardware control (see page 69)
Front panel audio (optional)
ATAPI CD-ROM
Auxiliary line in
Digital video out (optional; present only on D815EEA2 boards)
Fans
Power
Chassis intrusion (optional)
Wake on LAN technology (optional)
• Add-in boards and peripheral interfaces (see page 73)
CNR (communication and networking riser) (optional)
PCI bus (five)
AGP Universal
IDE (two)
Diskette drive
2.8.2.1 Expansion Slots
The board has the following ATX-compliant expansion slots:
• One Accelerated Graphics Port (expansion slot 7).
• Three PCI Local Bus connectors (compliant with PCI Rev. 2.2 specification). The SMBus is
routed to PCI bus connector 2 (expansion slot 5). PCI add-in cards with SMBus support can
access sensor data and other information residing on the desktop board.
• One CNR (optional), shared with PCI bus connector 5 (expansion slot 2).
✏
NOTE
This document refers to back-panel slot numbering with respect to processor location on the board.
On the board’s silkscreen, PCI slots are labeled as PCI 1, PCI 2, PCI 3, PCI 4, and PCI 5, starting
with the slot closest to the processor. The CNR slot shares a PCI slot number. The AGP slot is
labeled as “AGP” and is not numbered.
The ATX/microATX specifications identify expansion slot locations with respect to the far edge of a
full-sized ATX chassis. The ATX specification and the board’s silkscreen are opposite and could
cause confusion. The ATX numbering convention is made without respect to slot type (PCI or
AGP), but refers to an actual connector location on a chassis. Figure 15 on page 73 illustrates the
board’s PCI connector numbering.
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