IDF 'Penryn', Intel's upcoming die-shrink-plus Core 2 processor architecture, may have been high on the chip maker's agenda at its Developer Forum this week, but it said nothing new about the technology. Need a refresher? Here's what Register Hardware knows about the 45nm CPU...

Intel 45nm CPUs to clock above 3GHz
Upcoming Core 2 processors based on Intel's 45nm 'Penryn' architecture are due to go into production later this year...

Intel announces fourth 45nm fab
Intel is to spend $1-1.5bn upgrading its Rio Rancho, New Mexico plant, Fab 11X, to produce 45nm processors...

Intel won't launch 45nm desktop CPUs until 2008?
Intel may claim its 45nm processors will be in production in H2, but desktop chips may not launch until Q1 2008...

Intel 45nm CPUs to use metal gates, high-k dielectric
But the chip maker was tight-lipped about which materials will actually make up these components in its 45nm dual-core die, 'Penryn'...

Intel exposes 45nm Core 2 Duo
Penryn's 410m transistors revealed...

Intel 65nm-to-45nm crossover coming in 2008
Intel expects to begin shipping more 45nm processors than 65nm chips - the so-called 'crossover point' - in 2008...

Intel samples 45nm 'Penryn'
Core 2 die-shrink to introduce SSE 4...

Intel readies SSE 4 for 2007
Intel has said it will extend the x86 instruction set with even more Streaming SIMD Extensions, pledging to add a further 50 instructions to the ISA...