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32 4 Features
Operating System Support
The drivers for the SysKonnect SK-9E21D 10/100/1000Base-T Adapter, PCI Express, sup-
port the following operating systems:
• Windows NT 4.0, Windows 98 Second Edition, Windows Millennium Edition,
Windows 2000, Windows XP and Windows Server 2003
• Linux kernel 2.4.13 and higher stable versions
• Novell NetWare 4.20, Novell NetWare 5.x, and Novell NetWare 6.x
• Novell NetWare VLM Client for DOS
1
, Novell Netware Client32 for DOS
1
,
Novell NetWare 3.12/20
1
• Sun Solaris 7 and higher on x86 systems
High Performance
The SysKonnect SK-9E21D 10/100/1000Base-T Adapter, PCI Express, is a high perfor-
mance and highly reliable adapter. It uses the new PCI Express technology that offers in-
creased bandwidth and extended capabilities over the conventional PCI bus.
TCP, UDP and IP checksum calculation
The adapter supports the calculation of TCP, UDP, and IP checksums. These calculations are
integrated in the hardware of the Gigabit Ethernet adapters. The checksums are calculated
without time loss by the MAC controller for both receive and transmit path. This improves the
overall performance of the system and shifts these CPU-intensive tasks away from the host
CPU.
Jumbo Frames
The SysKonnect SK-9E21D Adapter supports 9 KB Jumbo frames. It is tested according to
the prevailing standard and switches on the market.
TCP Segmentation (Large Send Off-Load)
TCP Segmentation that is handled by the SysKonnect SK-9E21D Adapter itself reduces CPU
load significantly. This provides high throughput for superior network performance and im-
proves application response.
Dynamic Interrupt Moderation
If the network is running at gigabit speed and small packets are being transferred, there may
in extreme cases be more than 100,000 interrupts per second. To reduce the load on the
CPU, the SysKonnect SK-9E21D Adapter can use interrupt moderation to group these inter-
rupts so that several data packets can be handled per interrupt.
For more information, refer to the White Paper “SK-NET GE Gigabit Ethernet Server Adapt-
er”, which can be found on the installation CD-ROM and on our web site.
1.SysKonnect does not provide support for this driver.