Re: Number of Connectable Device

[Dave New <den@aisinc.com>]

Young-Moo Lee wrote:
> 
> Hi there,
> 
> Glad to write to you again.
> I am Young Lee who has an experience of developing PCI bus target device.
> Now I am going to develop a board which has several pci masters.
> 
> Especially
> I want to connect 7 pci master and 1 pci slave
> to the secondary pci bus of intel's i960rp.
> 
> But, the user's guide of i960rp says it supports only up to 6 masters.
> Can I connect 6 pci master and 1 pci slave?
> 
I would think that the restriction on the number of initiators supported has
only to do with the number of arbitration request/acknowledge lines supported
by the i60RP.  You should be able to support as many targets as the PCI
bus electrical limits will allow you, since they do not need the non-bussed
request/acknowledge lines from the arbiter.

> If not, I think I had better use i960cx and pci9060( pci adapter) and arbiter
> chip set. Is this recommedable? Any comments will be helpful.
> 
> Thank you in advance.
> 
> Young Lee
> ymlee@vlsi.kaist.ac.kr

-- 

Cheers,

DaveN
Î