Lenovo 8200 Series Installation Manual page 41

Table 2. Windows Driver Configurable Parameters (Continued)
Property
Max Ethernet Frame Size
Max Jumbo Buffers
Number of Receive Buffers
Number of Transmit Buffers
Priority & VLAN Tag
Receive Side Scaling
Receive Side Scaling Rings
TCP Checksum Offload IPv4
8200 Series Converged Network Adapter and 3200 Series Intelligent Ethernet Adapter
Specifies the Ethernet frame size for packet transmission and receipt (includes the
MAC header).
Reg Key: MaxFrameSize
Default: 1514 (corresponds to 1514 bytes on the wire + 4 bytes of CRC)
Max: 9614
Min: 142 (Windows 2003), 590 (Windows 2008)
Specifies the number of jumbo-sized receive buffers allocated for the jumbo ring
(not frame).
Reg Key: RxJumboRingSize
Default: 4096
Values: 1024, 2048, 4096, 8192
Specifies the number of buffers allocated for receiving standard MTU size (1514
byte) packets.
Registry Key: *ReceiveBuffers
Values: 1024, 2048,4096,8192,16384,32768
Default: 16384
Specifies the number of stage buffers used by the driver during transmit.
Registry Key: *TransmitBuffers
Values: 1024, 2048, 4096
Default: 1024
Enables and disables support for 802.1pQ priority tagging. This property must be
enabled to set the VLAN ID.
Registry Key: PQTagging
Default: Priority & VLAN Enabled
Values: Priority & VLAN Enabled; Priority & VLAN Disabled; Pri-
ority Disabled, VLAN Enabled; Priority Enabled, VLAN Disabled
Enables and disables the RSS feature.
Registry Key: RSS
Default: Enabled
Values: Enabled, Disabled
Specifies the number of RSS rings used.
Registry Key: MaxStatusRings
Default: 2
Values: 1-4
Enables and disables the TCP transmit and receive checksum offload.
Registry Key: *TCPChecksumOffloadIPv4
Default: Rx and Tx Enabled
Values: Disabled, Rx Enabled, Tx Enabled, Rx and Tx Enabled
Description
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