Two ports may show in device manager for single-port card

Troubleshooting

Problem

The Brocade 4 Gb/8 Gb Fiber Channel (FC) single-port adapters display two (2) devices in Windows Device Manager. The Application-Specific Integrated Circuit (ASIC) for the single-port card is identical to the dual-port card and registers two PCIe functions. The driver claims both functions and reports them to device manager.

Resolving The Problem

Source

RETAIN tip: H201754

Symptom

The Brocade 4 Gb/8 Gb Fiber Channel (FC) single-port adapters display two (2) devices in Windows Device Manager.

The Application-Specific Integrated Circuit (ASIC) for the single-port card is identical to the dual-port card and registers two PCIe functions. The driver claims both functions and reports them to device manager.

Affected configurations

The system is configured with at least one of the following:

Microsoft Windows 2003 Server, any service pack
Microsoft Windows 2003 Server for 32-bit Servers, any service pack
Microsoft Windows 2003 Server for 64-bit Servers, any service pack
Microsoft Windows 2003 Server, Datacenter Edition, any service pack
Microsoft Windows 2003 Server, EE x64, any service pack
Microsoft Windows 2003 Server, x64 Edition, any service pack
Microsoft Windows Server 2003/2003 R2, Datacenter x64 Edition, any service pack
Microsoft Windows Server 2008 R2 Datacenter, any service pack
Microsoft Windows Server 2008 R2 Enterprise, any service pack
Microsoft Windows Server 2008 R2 Standard, any service pack
Microsoft Windows Server 2008, Datacenter 32-bit, any service pack
Microsoft Windows Server 2008, Datacenter 64-bit, any service pack
Microsoft Windows Server 2008, Enterprise 32-bit, any service pack
Microsoft Windows Server 2008, Enterprise 64-bit, any service pack
Microsoft Windows Server 2008, Standard 32-bit, any service pack
Microsoft Windows Server 2008, Standard 64-bit, any service pack

The system is configured with one or more of the following IBM Options:

Brocade 4 Gb FC Single-port HBA for IBM System x, Option 59Y1987, replacement part number 59Y1992
Brocade 8 Gb FC Single-port HBA for IBM System x, Option 46M6049, replacement part number 46M6061

This tip is not system specific.

The Windows device driver for the Brocade adapter is affected.

Brocade adapter

Note: This does not imply that the network operating system will work under all combinations of hardware and software.

Please see the compatibility page for more information:
http://www.ibm.com/servers/eserver/serverproven/compat/us/

Solution

This behavior will be corrected in a future release of Brocade Windows device driver.

The target date for this release is scheduled for first quarter 2011.

The file is or will be available by selecting the appropriate Product Group, Product name, Product machine type, and Operating system on IBM Support's Fix Central web page, at the following URL:

	http://www.ibm.com/support/fixcentral/

Workaround

This is a cosmetic display issue and can be ignored.

Document Location

Worldwide

Operating System

System x Hardware Options:Windows Server 2003

System x Hardware Options:Windows Server 2003 x86-64

System x Hardware Options:Windows Server 2008

[{"Type":"HW","Business Unit":{"code":"BU016","label":"Multiple Vendor Support"},"Product":{"code":"QU03SYF","label":"System x Hardware Options->Storage expansion->Fibre->46M6049"},"Platform":[{"code":"PF033","label":"Windows"}],"Line of Business":{"code":"","label":""}},{"Type":"HW","Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"QU04KWO","label":"System x Hardware Options->Storage expansion->Fibre->59Y1987"},"Platform":[{"code":"PF033","label":"Windows"}],"Line of Business":{"code":"","label":""}}]

Tips