Datasheet

Intel Desktop Board D875PBZ Technical Product Specification

2.8.2 Internal I/O Connectors

The internal I/O connectors are divided into the following functional groups:

• Audio (see page 61):

 Auxiliary line input

 Front panel audio

 ATAPI CD-ROM

• Power and hardware control (see page 63):

 Fans [four]

 ATX12V

 Main power

 Chassis intrusion

• Add-in boards and peripheral interfaces (see page 66):

 PCI bus [five]

 AGP

 Parallel ATA IDE [two]

 Serial ATA/Serial ATA RAID [two]

 Diskette drive

 SCSI hard drive activity LED

2.8.2.1 Expansion Slots

The Desktop Board D875PBZ has the following expansion slots:

• AGP connector: The AGP connector is keyed for Universal 0.8 V AGP 3.0 cards or 1.5 V

AGP 2.0 cards only. Do not install a legacy 3.3 V AGP card. The AGP connector is not

mechanically compatible with legacy 3.3 V AGP cards.

• Five PCI rev 2.2 compliant local bus slots: PCI add-in cards with SMBus support can access

sensor data and other information residing on the Desktop Board D875PBZ.

✏

NOTE

This document references back-panel slot numbering with respect to processor location on the

Desktop Board D875PBZ. The AGP slot is not numbered. PCI slots are identified as PCI slot #x,

starting with the slot closest to the processor. Figure 19 on page 66 illustrates the Desktop Board

D875PBZ’s PCI slot numbering.