It's true for most bridges like this
PCMCIA Wireless Network Adapter Issues
lucent ieee turbo pci adapter (Bob Cohen)
3.1.8 can't figure out the interrupt routing (David Hinds)
"3.1.8 can't figure out the interrupt routing" (Gerald Richter)
This is a somewhat rare configuration (David Hinds)
RE: This is a somewhat rare configuration (Gerald Richter)
Date: 2000, Feb 18
From: David Hinds <email@example.com>
At the moment, there is no support for PCI-to-PCMCIA (16-bit-only)
bridges that are only wired for PCI interrupts. PCI-to-CardBus
bridges are ok.
The only exception is the TI PCI1031 PCI-to-PCMCIA bridge, which is
more like a CardBus bridge with some of the CardBus support disabled.
The 3.1.11 drivers try to support this (I don't actually have one, so
I'm working with someone to verify that this works).
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