Difference between revisions of "Renesas H8S/2161BV"
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The Renesas H8S/2161B is the embedded controller chip found in {{T43}} and {{T43p}} models. It controls various low-bandwidth devices such as keyboard, mouse, [[How to control fan speed|fan]], [[ibm-acpi|LEDs]], [[thermal sensors]], [[Active Protection System]] [[Analog Devices ADXL320 accelerometer|accelerometer]], [[tp_smapi#Battery_status_features|battery status]] and switches. | The Renesas H8S/2161B is the embedded controller chip found in {{T43}} and {{T43p}} models. It controls various low-bandwidth devices such as keyboard, mouse, [[How to control fan speed|fan]], [[ibm-acpi|LEDs]], [[thermal sensors]], [[Active Protection System]] [[Analog Devices ADXL320 accelerometer|accelerometer]], [[tp_smapi#Battery_status_features|battery status]] and switches. | ||
| − | * [http://documentation.renesas.com/eng/products/mpumcu/rej09b0300_2140bhm.pdf Hardware manual] | + | == Documentation == |
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| + | * [http://documentation.renesas.com/eng/products/mpumcu/rej09b0300_2140bhm.pdf Renesas H8S/2140B group Hardware manual] | ||
| + | * [http://documentation.renesas.com/eng/products/mpumcu/rej09b0139_h8s2600.pdf Renesas H8S/2600 series, H8S/2000 series software manual] | ||
| + | * [http://documentation.renesas.com/eng/products/mpumcu/apn/rej05b0397_h8s2655.pdf Renesas H8S series Technical Q&A application note] | ||
* A partial disassembly of the firmware running on this embedded controller is available in [http://forum.thinkpads.com/viewtopic.php?t=20958 this thread]. | * A partial disassembly of the firmware running on this embedded controller is available in [http://forum.thinkpads.com/viewtopic.php?t=20958 this thread]. | ||
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* ThinkPad {{T43}}, {{T43p}} | * ThinkPad {{T43}}, {{T43p}} | ||
* ThinkPad {{R52}} | * ThinkPad {{R52}} | ||
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| + | It is likely that all other ThinkPads with an embedded controller use the same chip. | ||
== Photos == | == Photos == | ||
Revision as of 10:35, 24 July 2006
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Contents
Renesas H8S/2161B (H8S/2140B group)
The Renesas H8S/2161B is the embedded controller chip found in T43 and T43p models. It controls various low-bandwidth devices such as keyboard, mouse, fan, LEDs, thermal sensors, Active Protection System accelerometer, battery status and switches.
Documentation
- Renesas H8S/2140B group Hardware manual
- Renesas H8S/2600 series, H8S/2000 series software manual
- Renesas H8S series Technical Q&A application note
- A partial disassembly of the firmware running on this embedded controller is available in this thread.
ATTENTION!
The Flash-RAM of the H8S/2161B is rated for just 100 write cycles
Models containing this chip
It is likely that all other ThinkPads with an embedded controller use the same chip.
Photos
| Photos (click to see full size) |
