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  • IBM Is Running Out Of DDR4 Memory Faster Than It Thought

    September 25, 2024 Timothy Prickett Morgan

    Back in August, we told you about how Big Blue was shifting away from the DDR4 main memory chips and towards DDR5 main memory chips for Power10 systems, which were designed expressly to support both types of memory.

    This is just like Power8 servers were designed to support both DDR3 and DDR4 memory, with the latter coming halfway through the Power8 product cycle. The Power9 machines used DDR4 memory solely, and the Power10 is getting support for DDR5 a little late in its cycle, given that we expect Power11 servers next year. Presumably the Power11 servers will just support DDR5 …

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  • Inside The IBM “Denali” Power E1080 System

    November 8, 2021 Timothy Prickett Morgan

    With Big Blue not really shipping its Power10-based big, bad “Denali” Power E1080 system in full volume and with full configurations until December, we knew we would have some time to dig down into the architecture of the Denali systems. And with other things out of the way, which also needed to be covered, including our initial coverage on the Power E1080 machine on September 8 and some follow-on stories, we are now eagerly taking the lid off the Denali machine and taking a hard look at it for you.

    Seriously. Here is the machine with the lid off of …

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  • Goosing Big Iron Power Systems With Power9 Migrations

    December 3, 2018 Timothy Prickett Morgan

    The Power9-based servers from IBM’s Cognitive Systems division have been rolling out over the course of the past year, and the big iron has been in the field only since the late summer but has perhaps had the largest impact on the revenue and profit stream for the Power Systems line, excepting maybe the installation of the “Summit” and “Sierra” supercomputers for the U.S. Department of Energy’s Oak Ridge National Laboratory and Lawrence Livermore Laboratory.

    As has been the case since the AS/400 line debuted in 1988 and even with the combination of the System/36 (low-end and midrange) and System/38 …

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