Here are the symptoms on BIOS version 5882: (http://downloadmirror.intel.com/13103/ENG/CO_5882_ReleaseNotes.pdf) A. With 2 GB of RAM RHEL5 installs and runs fine. B. With 8 GB of RAM RHEL5 refuses to install. Here is the screen shot of the place where the install hangs: http://www.debtconsolidationcare.com/rnd/img/RHEL5-install-hangs-8GB-RAM.jpg C. If I install RHEL5 with 2 GB of RAM and then upgrade the RAM to 8 GB the system boots but runs horribly slow. Here are the symptoms on BIOS version 5869: (http://downloadmirror.intel.com/13030/ENG/CO_5869_ReleaseNotes.pdf) A. With 2 GB of RAM RHEL5 installs and runs fine. B. With 8 GB of RAM RHEL5 refuses to install C. If I install RHEL5 with 2 GB of RAM and then upgrade the RAM to 8 GB the system boots and runs ok. Here are the hardware specs 1. Processor: Intel Core 2 Duo E6600 2. Motherboard: Intel DQ965GFEKR 3. Memory: Kingston value RAM KVR667D2N5/ 2G 4. Hard drive: WD500YS Any idea what might be happening here ? If you want me to run some additional tests to debug just let me know. -- Vik Technology manager http://www.debtconsolidationcare.com Internet's First get out of debt community -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list