138 lines
5.6 KiB
Markdown
138 lines
5.6 KiB
Markdown
# Switch OC Suite
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[](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
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Overclocking suite for Horizon OS (HOS) running on Atmosphere CFW.
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## DISCLAIMER: USE AT YOUR OWN RISK!
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- Overclocking in general will shorten the lifespan of some hardware components.
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- Due to HorizonOS design, instabilities from unsafe RAM clocks may cause filesystem corruption. **Always make backup before usage.**
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## Features
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- Erista variant (HAC-001)
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- DRAM Overclock
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- Safe: 1862.4 MHz
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- Unsafe:
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- DRAM bus overvolting
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- Modded sys-clk and ReverseNX-RT
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- CPU & GPU frequency governor (Experimental)
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- Fast-charging (2A) toggle, set charge limit (20% - 100%)
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- Global Profile
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- Sync ReverseNX Mode
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- Mariko variant (HAC-001-01, HDH-001, HEG-001)
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- CPU / GPU Overclock
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- Safe: 1963 / 921 MHz
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- Unsafe:
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- Enable "Allow Unsafe Frequencies" in overlay to unlock frequencies up to 2397 / 1305 MHz
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- See [README for sys-clk-OC](https://github.com/KazushiMe/Switch-OC-Suite/blob/master/Source/sys-clk-OC/README.md)
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- DRAM Overclock
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- Safe: 1996.8 MHz with built-in timing adjustment
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- Unsafe:
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- [DRAM bus overvolting](https://gist.github.com/KazushiMe/6bb0fcbefe0e03b1274079522516d56d).
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- Modded sys-clk and ReverseNX-RT
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- Auto CPU Boost
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- CPU & GPU frequency governor (Experimental)
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- Fast-charging (2A) toggle, set charge limit (20% - 100%)
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- Global Profile
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- Sync ReverseNX Mode
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- Auto CPU Boost
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- For faster game loading
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- Enable CPU Boost (1785 MHz) when CPU Core#3 (System Core) is stressed (mainly I/O operations).
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- Effective only when charger is connected.
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- CPU & GPU frequency governor (Experimental)
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- Adjust frequency based on load. Might decrease power draw but can introduce stutters. Can be turned off for specific titles.
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- Fast-charging (2A) toggle, set charge limit (20% - 100%)
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- Long-term use of charge limit may render the battery gauge inaccurate. Performing full cycles could help recalibration, or try [battery_desync_fix_nx](https://github.com/CTCaer/battery_desync_fix_nx).
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- Global profile
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- Designated a dummy title id `0xA111111111111111`.
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- Priority: "Temp overrides" > "Application profile" > "Global profile" > "System default".
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- Sync ReverseNX Mode
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- No need to change clocks manually after toggling modes in ReverseNX (-RT and -Tool)
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- **[System Settings (Optional)](https://github.com/KazushiMe/Switch-OC-Suite/blob/master/system_settings.md)**
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## Installation
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1. Download latest [release](https://github.com/KazushiMe/Switch-OC-Suite/releases/latest).
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2. Copy all files in `SdOut` to the root of SD card.
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3. Grab `x.x.x_loader.kip` for your Atmosphere version, rename it to `loader.kip` and place it in `/atmosphere/kips/`.
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4. Customization via [online loader configurator](https://kazushime.github.io/Switch-OC-Suite/):
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<details>
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| Defaults | Mariko | Erista |
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| ---------- | ------------- | ------------ |
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| CPU OC | 2397 MHz Max | Disabled |
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| CPU Boost | 1785 MHz | N/A |
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| CPU Volt | 1220 mV Max | Disabled |
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| GPU OC | 1305 MHz Max | N/A |
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| RAM OC | 1996 MHz Max | 1862 MHz Max |
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| RAM Volt | N/A | Disabled |
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| RAM Timing | Auto-Adjusted | Disabled |
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</details>
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5. Hekate-ipl bootloader Only
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- Add `kip1=atmosphere/kips/loader.kip` to boot entry section in `bootloader/hekate_ipl.ini`.
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<details>
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<summary>Deprecated: patching sysmodules manually</summary>
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This method is only served as reference as it could damage your MMC file system if not handled properly.
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Patched sysmodules would be persistent until pcv or ptm was updated in new HOS (normally in `x.0.0`).
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Tools:
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- Lockpick_RCM
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- TegraExplorer
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- [hactool](https://github.com/SciresM/hactool)
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- [nx2elf](https://github.com/shuffle2/nx2elf)
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- elf2nso from [switch-tools](https://github.com/switchbrew/switch-tools/)
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- [hacpack](https://github.com/The-4n/hacPack)
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1. Dump `prod.keys` with Lockpick_RCM
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2. Dump HOS firmware with TegraExplorer
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3. Configure and run `test_patch.sh` to generate patched pcv & ptm sysmodules in nca
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4. Replace nca in `SYSTEM:/Contents/registered/` with TegraExplorer
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5. `ValidateAcidSignature()` should be stubbed to allow unsigned sysmodules to load (a.k.a. `loader_patch`)
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</details>
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## Build
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<details>
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Grab necessary patches from the repo, then compile sys-clk, ReverseNX-RT and Atmosphere loader with devkitpro.
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If you are to install nro forwarders, stub `ValidateAcidSignature()` with `R_SUCCEED();` in `Atmosphere/stratosphere/loader/source/ldr_meta.cpp` to make them work again.
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Uncompress the kip to make it work with configurator: `hactool -t kip1 Atmosphere/stratosphere/loader/out/nintendo_nx_arm64_armv8a/release/loader.kip --uncompress=./loader.kip`
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</details>
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## Acknowledgement
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- CTCaer for [Hekate-ipl](https://github.com/CTCaer/hekate) bootloader, RE and hardware research
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- [devkitPro](https://devkitpro.org/) for All-In-One homebrew toolchains
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- masagrator for [ReverseNX-RT](https://github.com/masagrator/ReverseNX-RT) and info on BatteryChargeInfoFields in psm module
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- Nvidia for [Tegra X1 Technical Reference Manual](https://developer.nvidia.com/embedded/dlc/tegra-x1-technical-reference-manual)
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- RetroNX team for [sys-clk](https://github.com/retronx-team/sys-clk)
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- SciresM and Reswitched Team for the state-of-the-art [Atmosphere](https://github.com/Atmosphere-NX/Atmosphere) CFW of Switch
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- Switchbrew [wiki](http://switchbrew.org/wiki/) for Switch in-depth info
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- ZatchyCatGames for RE and original OC loader patches for Atmosphere
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