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Topic: 7x PCIe Mainboards that work with 7 video cards - page 2. (Read 12189 times)

legendary
Activity: 1120
Merit: 1055
Thx, aliens and Burninj. I'm successfully launched using hotplugged riser and selecting PCI-E gen 2 in bios.
newbie
Activity: 15
Merit: 0
hotplug? what bios version?

hotplug on all except main, bios A30

you should at least see them in bios
legendary
Activity: 1120
Merit: 1055
Using all x1-x16 except main GPU (first x16 slot).
hotplug? what bios version?
newbie
Activity: 15
Merit: 0
Z87-G55 confirmed to work with 7x R9 290 (using modded driver from https://litecointalk.org/index.php?topic=11761.0) with Windows 8.1:
What kind of risers you used? This mobo can't work with x1 risers in the x16 slots. Doesn't it?

...

The only way is use the x16-x16 risers?

Using all x1-x16 except main GPU (first x16 slot).
legendary
Activity: 1120
Merit: 1055
Z87-G55 confirmed to work with 7x R9 290 (using modded driver from https://litecointalk.org/index.php?topic=11761.0) with Windows 8.1:
What kind of risers you used? This mobo can't work with x1 risers in the x16 slots. Doesn't it?

try modify pcie gen in bios
and disable everything that is not needed in bios as well
gen 1, gen 2 , gen 3 - all not working.

The only way is use the x16-x16 risers?
newbie
Activity: 15
Merit: 0
Z87-G55 confirmed to work with 7x R9 290 (using modded driver from https://litecointalk.org/index.php?topic=11761.0) with Windows 8.1:

https://i.imgur.com/DqXhkvV.png

Getting some blackscreens sometimes though, either when shutting down, booting up or closing the miner. Can't figure out why yet.
newbie
Activity: 41
Merit: 0
MSI Z77A-GD65

I have this one,6*7970 gigabyte,no problem with windows 8.1,but 7 there is no chance to make them all working.....
legendary
Activity: 1148
Merit: 1000
MSI Z87-G55  - not working with x1 risers in the x16 slots! Hot plug doesn't help me, but some peoples says it is

try modify pcie gen in bios
and disable everything that is not needed in bios as well
legendary
Activity: 1120
Merit: 1055
MSI Z87-G55  - not working with x1 risers in the x16 slots! Hot plug doesn't help me, but some peoples says it is
legendary
Activity: 1148
Merit: 1000
No shorting
newbie
Activity: 4
Merit: 0
z87 g45 confirmed working with 7 R9 280x cards. z87 g55 and z87 mpower should work fine too.

Rig config :

- windows 8.1
- lbr modified 13.12 amd drivers
- All cards on 1x 16x usb risers.

Burninj, on the z87 g45, did you have to short any of the pins in the PCI-e slots to get all 7 GPUs to work/be recognized?
newbie
Activity: 15
Merit: 0
z87 g45 confirmed working with 7 R9 280x cards. z87 g55 and z87 mpower should work fine too.

Rig config :

- windows 8.1
- lbr modified 3.12 amd drivers
- All cards on 1x 16x usb risers.

z87 g45 don't have 7 pci e

btw what is the best card with 6 pci e slot? i don't need the risers, i'm planning to do a different kinda of mining

Pretty sure it does have 7 PCI-E, both the MSI official page as well as the pictures of it confirm it:

https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc1/486760_4220021153748_1064197880_n.jpg
legendary
Activity: 3248
Merit: 1070
z87 g45 confirmed working with 7 R9 280x cards. z87 g55 and z87 mpower should work fine too.

Rig config :

- windows 8.1
- lbr modified 3.12 amd drivers
- All cards on 1x 16x usb risers.

z87 g45 don't have 7 pci e

btw what is the best card with 6 pci e slot? i don't need the risers, i'm planning to do a different kinda of mining
legendary
Activity: 1148
Merit: 1000
z87 g45 confirmed working with 7 R9 280x cards. z87 g55 and z87 mpower should work fine too.

Rig config :

- windows 8.1
- lbr modified 13.12 amd drivers
- All cards on 1x 16x usb risers.
newbie
Activity: 15
Merit: 0
Currently each card seems to pull a max of 25-30W per PCIe out of the board + 240-250W out of the 6/8 pin power connectors, measured at the wall. Temps are 75-85 while mining at about 810 kh/s (underclocked core clock to 900/1250).
legendary
Activity: 2674
Merit: 2965
Terminated.
Keep those cards cooled well. Without risers there is no room for fresh air, the cards will not last very long.
The board won't last long either.
member
Activity: 112
Merit: 10
Keep those cards cooled well. Without risers there is no room for fresh air, the cards will not last very long.
legendary
Activity: 2674
Merit: 2965
Terminated.
Good luck burning the board. Stop trying to save every penny on this.
5 to 6 card builds are best.
Thanks for the list though.
newbie
Activity: 15
Merit: 0
Currently doing 3 Sapphire R9 290 Tri-X on all 16x slots due to lack of risers with no problem. Hope to get some within a week.
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