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[[File:X02318-001.jpg|thumb|150px|upright|right|[[Shiva]] with IHS]] | [[File:X02318-001.jpg|thumb|150px|upright|right|[[Shiva]] with IHS]] | ||
[[File:X818337-004.jpg|thumb|150px|upright|right|[[ | [[File:X818337-004.jpg|thumb|150px|upright|right|[[Vejle]] with IHS]] | ||
An '''Integrated Heat Spreader (IHS)''' is a thick piece of thermally conductive metal such as aluminum plated copper which allows for improved heat transfer between the dies of a multi-chip-module (MCM) and the [[heatsink]]. It also adds thermal inertia to the system. They are secured with epoxy | An '''Integrated Heat Spreader (IHS)''' is a thick piece of thermally conductive metal such as aluminum plated copper which allows for improved heat transfer between the dies of a multi-chip-module (MCM) and the [[heatsink]]. It also adds thermal inertia to the system. They are secured with epoxy and have long lasting thermal interface material applied for the dies. | ||
On the [[Xbox 360]], IHS's were used on [[Shiva]] and [[ | On the [[Xbox 360]], IHS's were used on [[Shiva]] and [[Vejle]], but curiously the [[GPU]] MCM does not use one. However, the use of an IHS is not thermally required as the [[eDRAM]] puts out less than 9W and is always slightly shorter than the GPU die. | ||
Latest revision as of 23:51, 7 April 2024
Shiva with IHS
Vejle with IHS
An Integrated Heat Spreader (IHS) is a thick piece of thermally conductive metal such as aluminum plated copper which allows for improved heat transfer between the dies of a multi-chip-module (MCM) and the heatsink. It also adds thermal inertia to the system. They are secured with epoxy and have long lasting thermal interface material applied for the dies.
On the Xbox 360, IHS's were used on Shiva and Vejle, but curiously the GPU MCM does not use one. However, the use of an IHS is not thermally required as the eDRAM puts out less than 9W and is always slightly shorter than the GPU die.