Does anyone know, or is there documentation describing Windows timeout values for Read and Write via SMB?

[Jeremy Allison]

On Sat, Dec 01, 2012 at 01:56:57PM -0800, Richard Sharpe wrote:
> Hi folks,
> 
> Is there any documentation or any experience on how many SMBecho's
> Windows is prepared to receive before it declares a READ or WRITE has
> failed?

Isn't it a timing thing rather than a "number of echos" thing ?