Key Differentiators

Four port / 66MHz

Designed for Performance

The DuraLAN NIC controller implements a highly efficient 64-bit bus master design with 64-bit addressing to minimize CPU utilization for optimum throughput. The NIC includes an 8 KByte transmit and receive FIFO (First In, First Out) buffer with automatic threshold adjustments for each onboard port. Enhanced DMA capability is customized for optimum performance and CPU utilization in Windows and NetWare environments.

Dynamic, Integrated PCI Bus Analyzer

The innovative Adaptec DuraLAN NIC controller delivers optimum system efficiency by continuously analyzing bus activity to determine when a change is necessary. During low bus utilization, the cut through mode of operation provides maximum efficiency and minimal latency. When the system loading increases, for example, with the addition of Adaptec's AAA RAID products, the NIC controller moves the buffer pointers from cut through toward a store and forward mode of operation, which optimizes performance and LAN efficiency.

Flexible Configuration

The Adaptec Quartet66 supports NWay auto-negotiation, which automatically detects the network's maximum line speed at the twisted pair interface. For maximum flexibility, the AutoSense feature is compatible with all 10/100 Mbps devices, including those without NWay line speed negotiation.

Scalability

The Adaptec Quartet66 is part of a family of NICs that allows IS organizations to increase total network bandwidth without the need to buy additional servers. The 66MHz 64-bit PCI bus offers 532 MBytes per second of bandwidth. The Quartet64 NIC provides the power of four Fast Ethernet or Ethernet segments on a single NIC. An on-board 64-bit to 64-bit PCI-to-PCI bridge chip extends the machine's internal bus. Multiple NICs can be installed on each server for even greater overall bandwidth, allowing the four-port NIC to use a single PCI slot.

Duralink64 Software Enabled

The Quartet66 is one of a complete line of PCI NICs enabled to work with Adaptec's innovative Duralink64 Software Suite. This suite includes Duralink64 Port Aggregation, and Duralink64 Failover. Duralink64 Port Aggregation software allows users to aggregate up to 12 ports per workgroup for speeds up to 1.2 Gigabits per second, and provides failover capability for switched environments. Duralink64 Failover software establishes an FDDI-like port resiliency for shared environments. In the event that the active link fails, a standby link is automatically activated to preserve the network link and maintain the server's availability.