Intel Desktop Board D845GERG2/D845GEBV2 Product Guide
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Enhanced IDE Interface
The ICH4’s IDE interface handles the exchange of information between the processor and
peripheral devices like hard disks, CD-ROM drives, and Iomega Zip
†
drives inside the computer.
The interface supports:
• Up to four IDE devices (such as hard drives)
• ATAPI devices (such as CD-ROM drives)
• Older PIO Mode devices
• Ultra DMA-33 and ATA-66/100 protocols
• Laser servo (LS-120) drives
Expansion Slots
The desktop board has the following add-in card connectors:
Desktop Board D845GERG2 has:
• Three PCI bus add-in card connectors (SMBus routed to PCI bus connector 2)
• One AGP connector
• One optional CNR connector (slot shared with PCI bus connector 3)
Desktop Board D845GEBV2 has:
• Six PCI bus add-in card connectors (SMBus routed to PCI bus connector 2)
• One AGP connector
• One optional CNR connector (slot shared with PCI bus connector 6)
Accelerated Graphics Port (AGP)
✏
NOTE
Desktop Board D845GERG2/D845GEBV2 is only compatible with 1.5 V AGP cards.
AGP is a high-performance interface for graphics-intensive applications, such as 3D graphics.
AGP is independent of the PCI bus and is intended for exclusive use with graphical
display devices.
The AGP connector supports 1.5 V AGP 4X and 2X add-in cards.
Communication and Networking Riser (CNR) (Optional)
The optional CNR connector provides an interface that supports various features such as audio,
modem, USB, and LAN.
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