Re: Null Data Phases

[Neal Palmer <neal@dinigroup.com>]

Bert,

A 64-bit master is allowed to insert 32-bit null data phases when it's
transaction isn't aligned on a 64-bit boundary, so I don't see why you
can't also remove 32-bit null dataphases.

-- Neal

On Tue, 12 Jun 2001, Bert Marston wrote:

> Does anyone know if it is legal for a PCI-PCI bridge to convert a 64-bit
> null data memory write transaction on the source side to a 32-bit null
> data memory write transaction on the destination side?  If it is legal,
> can any burst memory write with all the byte enables de-asserted be
> converted to a single null data phase transaction?
>
> Thanks,
> Bert Marston
>
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-- Neal Palmer

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