Serverworks OSB4 has no 0x4a (piomode) register, do not touch it. Also OSB4 has some problems with UDMA transfers, limit it to WDMA2.
Serverworks OSB4 has no 0x4a (piomode) register, do not touch it.
Also OSB4 has some problems with UDMA transfers, limit it to WDMA2.

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