Solution : https://service.sap.com/sap/support/notes/1379130 (SAP Service marketplace login required)
Key words : 
/global/prod/express/product/scalable/index, /global/prod/express/product/r120b-2/index, /global/prod/express/product/r120a-2/index, sles 10 note 958253sles 11 note 1310037installation note, html nec express5800/r120b-2cpu, html nec express5800/r120a-2cpu, intel xeon e7 series, nec express5800/a1080acpu, - sles11 x64 - rhel5 x64, intel xeon 5600 series
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