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Re: 64-bit bus



> From pci-sig-request@znyx.com Fri Mar 21 16:04:38 1997
> Resent-From: pci-sig-request@znyx.com
> From: larry@RNS.COM (Larry Gerald)
> 
> When using the 64-bit extension for PCI, does the bus master always generate
> DAC cycles, Dual address Cycles when addressing greater than 4GB? And SAC
> Single Address Cycles, when addressing the lower 4GB memory?
> 
> 


Yes, Section 3.10.1 in PCI spec 2.1 talks about it.


Vi Chau
Emulex Corp.
(714) 513-8132
v_chau@emulex.com
ðdT