Bitcoin Forum
June 15, 2024, 04:44:17 AM *
News: Voting for pizza day contest
 
   Home   Help Search Login Register More  
Pages: [1]
  Print  
Author Topic: ASUS P5Q deluxe - cannot get more then 3 GPUs to run  (Read 3034 times)
Takeshi_Kovacs (OP)
Member
**
Offline Offline

Activity: 65
Merit: 10


View Profile
September 06, 2013, 07:14:12 AM
 #1


One of my scrypt mining rigs has an ASUS P5Q deluxe mobo.

This board has 2 PCI-E X1 and 3 PCI-E x16 slots.

I have a GPU plugged directly into the primary x16 slot and two other cards on risers plugged into the x1 slots.

I'd like to plug in two more cards but, if I plug a riser into either of the other x16 slots, then the card on that riser is not seen and the card on one of the x1 slots is no longer seen. I have tried an assortment of different cards in the slots and this is always the case.

Are there any special tricks that I need in order to get more than three cards running on this mobo?

TIA
HellDiverUK
Hero Member
*****
Offline Offline

Activity: 1246
Merit: 501



View Profile
September 06, 2013, 08:20:42 AM
 #2

That's a P45 chipset, and only has 16 PCI-E lanes.

See: http://ark.intel.com/products/35133/Intel-82P45-Memory-Controller-Hub

One card is probably taking 8 lanes, the other two 4 lanes each, leaving none free.
Pages: [1]
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.19 | SMF © 2006-2009, Simple Machines Valid XHTML 1.0! Valid CSS!