PCI Express development board

Mon Nov 14, 2011 9:42 am   

As to dual-CPU Intel platforms, IIRC, on dual-CPU chipsets all PCIe
slots support hot plug, so, in theory everything should work. However,
except for old and obsolete Blackford (5000 series), I didn't try it
myself.


Hello,
maybe anyone can confirm that? What's the scenario of fpga restart then?
Unload the module, reflash the binary and load module again? What about
development on Windows then?

Regards,
Tomas D.

Mon Nov 14, 2011 7:12 pm   

On Nov 14, 10:42 am, "scrts" <hid...@email.com> wrote:

Confirm what?


On Windows it is the same.
Assuming you have plug&play driver (which, for PCIe, is the only
reasonable option anyway) and assuming that your device is not a boot
device and not a main display card:
1) disable your device in Device Manager;
2) reload FPGA;
3) re-enable device in Device Manager.
Or, if PCI Vendor/Device ID of your new design differs from the
previous one, you instruct device manager to scan for new devices
between steps 2 and 3.

Tue Nov 15, 2011 8:05 am   

"Michael S" <already5chosen_at_yahoo.com> wrote in message
news:f6ea35a5-8957-4b6e-98e4-fb70d273a3bb_at_v5g2000yqn.googlegroups.com...
On Nov 14, 10:42 am, "scrts" <hid...@email.com> wrote:

Dual-CPU chipsets really support PCI-e hotplug? In this case, all the
current chipset systems should support that feature.

The part about image reflash is clear now, thanks.


Regards,
Tomas D.

Tue Nov 15, 2011 3:56 pm   

On Nov 15, 9:05 am, "scrts" <hid...@email.com> wrote:

What you mean by "all the current chipset systems"? >99% of the
desktops sold are single CPU, not dual.
Or do you consider dual-cores as "dual-CPU"? No, that's not what I
meant. When I said "dual-CPU" I meant dual-socket.
Like Dell Precision T5500 or HP Z600 or majority of servers. However,
those are not the cheapest machines around.

From the cheaper things I recommend models based on Intel's relatively
old X58 chipset, like, for example, any of ASUS P6T series of
motherboards or Supermicro C7X58 motherboard.

Wed Nov 16, 2011 7:46 am   

What you mean by "all the current chipset systems"? >99% of the
desktops sold are single CPU, not dual.
Or do you consider dual-cores as "dual-CPU"? No, that's not what I
meant. When I said "dual-CPU" I meant dual-socket.

My bad then, I thought You meant one socket multi-core CPUs.

From the cheaper things I recommend models based on Intel's relatively
old X58 chipset, like, for example, any of ASUS P6T series of
motherboards or Supermicro C7X58 motherboard.

So what's the procedure on single socket CPU boards? Turn off PC, load
config to FPGA and start the machine again? I wonder if PCI-e standard
defines PCI-e hotplug or not.

Regards,
Tomas D.