32bit slots and riser cards

Bogdan Costescu bogdan.costescu at iwr.uni-heidelberg.de
Thu Aug 28 08:57:15 EDT 2003

Dear beowulfers,

In planning for some new cluster nodes, I hit a small problem. I want:
- a modern mainboard for dual-Xeon (preferred) or dual-Athlon
- 1U or 2U rackmounted case
- to use an old Myrinet M2M-PCI32 (Lanai4) which requires a riser card for 
installing in the case

The problem is that all mainboards that I looked at position the 32bit PCI
slot(s) near the edge of the mainboard and I cannot see how the riser
card can be installed into them so that the card still fits in the case; 
the Myrinet card does not fit (keyed differently) into the 64bit PCI slots 
or 64bit risers. Is there some solution to this problem or do I have to go 
back to midi-tower cases ?


Bogdan Costescu

IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: Bogdan.Costescu at IWR.Uni-Heidelberg.De

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