Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Troubleshooting Manual page 60

5
Considerations for downgrading firmware
Message AP Blade type 33 is inserted. Please use slotshow to find out which slot it is in and remove it.
Cannot downgrade due to the presence of AP BLADE type 33. Remove or power off these blades
before proceeding.
Probable cause and recommended action
The firmware download operation was attempting to download Fabric OS v5.0.0 with one or more
Brocade FR4-18 port blades (blade ID 33) in the system. Brocade FR4-18 port blades are not
supported on firmware v5.0.0 or earlier, so the firmware download operation is aborted.
Use the slotShow command to display which slots the Brocade FR4-18i port blades occupy, and
physically remove the blades from the chassis Retry the firmware download operation.
Message SW Blade type 36 is inserted. Please use slotshow to find out which slot it is in and remove it.
Probable cause and recommended action
The firmware download operation was attempting to downgrade a system to Fabric OS v5.1.0 or
earlier with one or more Brocade FC4-48 port blades (blade ID 36) in the system. Brocade FC4-48
port blades are not supported on firmware v5.1.0 or earlier, so the firmware download operation
failed.
Use the slotShow command to display which slots the Brocade FC4-48 port blades occupy.
Physically remove the blades from the chassis, or use the micro-switch to turn the blade off. Retry
the firmware download operation.
Message SW Blade type 37 is inserted. Please use slotshow to find out which slot it is in and remove it.
Probable cause and recommended action
The firmware download operation was attempting to downgrade a system to Fabric OS v5.3.0 or
earlier with one or more Brocade FC8-16 port blades (blade ID 37) in the system. Brocade FC8-16
port blades are not supported on firmware v5.3.0 or earlier, so the firmware download operation
failed.
Use the slotShow command to display which slots the Brocade FC8-16 port blades occupy.
Physically remove the blades from the chassis, or use the micro-switch to turn the blade off. Retry
the firmware download operation.
Message SW Blade type 39 is inserted. Please use slotshow to find out which slot it is in and remove it.
Probable cause and recommended action
The firmware download operation was attempting to downgrade a system to Fabric OS v5.2.0 or
earlier with one or more Brocade FC10-6 port blades (blade ID 39) in the system. Brocade FC10-6
port blades are not supported on firmware v5.2.0 or earlier, so the firmware download operation
failed.
Use the slotShow command to display which slots the Brocade FC10-6 port blades occupy.
Physically remove the blades from the chassis, or use the micro-switch to turn the blade off. Retry
the firmware download operation.
46 Fabric OS Troubleshooting and Diagnostics Guide
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