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nVidia nForce 4 SLI Intel Edition

By: Shawn Baker | NVIDIA Chipsets in CPUs, Chipsets & SoCs | Posted: Apr 17, 2005 4:00 am

Technical Specifications


NVIDIA nForce4 SLI (Intel Edition)




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




- 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.






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




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




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






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




- 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)




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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