Technical Specifications

NVIDIA nForce4 SLI (Intel Edition)

PERFORMANCE

Frontside Bus: Pentium 4 CPU Interface
- 2× address and 4× data
- QDR (Quad Data Rate) support for 400 MT/s - 1066 MT/s (100MHz –266MHz FSB)
- Theoretical maximum burst bandwidth of 8.5GB/s
- Standard bus speeds up to 266MHz supported
- 36-bit addressing for access to 64GB of memory space
- Dynamic Bus Inversion
- Frontside bus (FSB) pipeline depth of 12 in-order queue depth
- Hyper-Threading Technology support

Dual Channel DDR2 128-Bit Memory Interface
- Two independent 64-bit memory controllers
- Can also operate in ganged mode (as one 128-bit controller)
- Support for 400 MT/s (200MHz), 533 MT/s (266MHz), and 667 MT/s (333 MHz) for a theoretical
maximum bandwidth of 10.6 GB/s
- Up to eight internal banks per DDR2 chip
- Up to two DIMMs per controller for a maximum of four DIMM support
- Separate 64-bit data bus per controller
- Separate address and control bus per DIMM
- Up to 16 GB using four 4-GB DIMMs
- Supports synchronous and pseudo-synchronous operation with FSB
- Supports un-buffered non-ECC DIMMs
- Low power suspend-to-RAM (S3) support
- Active and pre-charge power down
- Support for SPD (Serial Presence Detect) scheme for DIMM detection and configuration

Power Management
- Internal clock generator
- Support for Pentium 4 performance states
- Support for HyperTransport link lower power disconnected state
- PCI Express L0s and L1 active link power management support and L2/L3 low power state
support
- Full ACPI 2.0 and PCI PM 1.1 support, including C2/C3, Power on Suspend,
- Suspend to RAM, Suspend to Disk, and Soft-Off CPU power state support.
NVIDIA NFORCE MARKETING MATERIALS
NETWORKING

Native Gigabit Ethernet technology
- The fastest Gigabit Ethernet solution in the market
- Supports 10/100/1000Base-T Ethernet
- RGMII or MII interface
Advanced networking features
- TCP segmentation offloads
- Jumbo frames
- Checksum offloads
- Interrupt moderation
- Traffic prioritization
- Remote wake-up
- Network management for easy set up, configuration, and monitoring

SECURITY

NVIDIA ActiveArmor™ Secure Networking Engine
- Dedicated hardware engine
- Enhances network security
- Reduces CPU overhead
- Powers and accelerates ActiveArmor Firewall

ActiveArmor™ Firewall technology
- Industry’s first true hardware-based firewall
- Unmatched performance and protection
- ‘instant-on’ and tamper resistant
- Advanced management features through user friendly interface
- Remote access, configuration, monitoring
- Command line interface (CLI)
- Intelligent application management

STORAGE

NVIDIA MediaShield™ Storage
- RAID 5 faster disk access with fault tolerance and optimized capacity
- RAID 0 disk striping support for highest system and application performance
- RAID 1 disk mirroring support for fault tolerance
- RAID 0 +1 disk striping and mirroring support for highest performance with fault tolerance
- NVIDIA Disk Alert System provides a visual indication so users know exactly which SATA hard
drive to replace during an array failure
- Converting allows users to change the current state of an array to another using one single step
without reboot of the PC
- Cross Controller RAID uniquely supports both SATA and PATA disk devices within a single array

Serial ATA
- Support for SATAII 3Gb/s and SATA 1.5Gb/s disk controller standards
- Supports full Tagged Command Queuing (TCQ) and Native Command Queuing (NCQ)

Dual controller architecture
- Two separate and independent controllers. Results in up to twice the bandwidth to disks
- Four (4) integrated SATA 3Gb/s ports

Fast Ultra ATA-133 Disk Drive Controller
- 5V-tolerant primary and secondary channels, with support for up to four devices
- Supports Ultra-DMA modes 6-0, DMA modes 2-0, and PIO modes 4-0
- Industry-standard PCI bus master IDE register set
- Separate independent IDE connections for 5V-tolerant primary and secondary interfaces
NVIDIA NFORCE MARKETING MATERIALS
CONNECTIVITY

PCI Express Interface – SLI™
- PCI Express high-performance, scalable interconnect. Rapidly being adopted by the PC industry;
designed to replace the AGP and PCI interconnects currently in use.
- A x16 PCI Express link has 4 times the total bandwidth of today’s AGP 8X interface
- x16 PCI Express link for high performance graphics cards featuring the latest Graphics
Processors with DirectX 9.0 and Shader Model 3.0 support
- Additional x1 PCI Express links for other add-in cards
- Five independent PCI Express controllers with 20 total lanes that can be configured as follows:
- One ×16 and four ×1 PCI Express lanes
- Two ×8 and three ×1 PCI Express lanes (SLI Mode)
- x16 controller can support isochronous data channel
- Supports PME messages for power management
- 2.5 GHz support for a theoretical maximum bandwidth of 2.5Gb/s per lane per direction

USB 2.0
- USB 2.0 Enhanced Host Controller Interface (EHCI) / USB 1.1 Open Host Controller Interface
(OHCI)
- Support for up to 10 ports
- Supports transfer rates at high speed (480Mbps), full speed (12Mbps), and low speed (1.2Mbps)
- Dynamically configures slower devices for best utilization of bandwidth
- Allows USB concurrency

PCI Interface
- Includes an arbiter that supports six external master PCI slots.
- Features of the PCI interface include:
-PCI 2.3-compliant, 5 V tolerant
-Supports six external PCI slots at 33MHz
-Supports five bus master arbitration
-PCI master and slave interfaces
-Supports both master-initiated and slave-initiated terminations
-Bidirectional write posting support for concurrency
-Flexible routing of all four PCI interrupts
-Supports read ahead: memory read line (MRL) and memory read multiple (MRM)

AUDIO

AC ’97 2.3 compliant interface
- Supports 2, 4, 6, or 8-channel audio
- Dual AC-Link – supports up to two codecs
- Dual SPDIF – supports two simultaneous digital outputs; handles stereo PCM or AC-3 output
- 16-bit or 20-bit stereo, 48kHz output and 16-bit input streams across AC-Link
- 24-bit, 96kHz stereo output on the secondary SPDIF output
- Supports input, output, and general purpose input/output channels for host-based modems
- Separate independent functions for audio and modem







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