This site is dedicated to sharing known good information about logic board repair. Please post only information that is proven. If you find anything incorrect please edit or leave notes so it can be corrected. Feel free to contribute, this is a group effort.

羅技 （英語： Logitech International S.A.， / ˈlɒdʒɪtɛk / LO-ji-tek，常简写为 Logi）是一家 电脑 周邊裝置和 软件 制造商，总部位于 瑞士 洛桑 [2]，在欧洲、 亚洲 、 大洋洲 和 美洲 等一百多個國家或地區设有办事处，是全球頂尖的 个人计算机 和其他 3C产品 输入與 ...

Logitech International S.A. (/ ˈlɒdʒɪtɛk / LOJ-i-tek) is a Swiss multinational manufacturer of computer peripherals and software. Headquartered in Lausanne, Switzerland, [1] the company has offices throughout Europe, Asia, Oceania, and the Americas. It is a component of the Swiss Market Index, and listed on the Nasdaq.

羅技 （英語： Logitech International S.A.， / ˈlɒdʒɪtɛk / LO-ji-tek，常簡寫為 Logi）是一家 電腦 周邊裝置和 軟體 製造商，總部位於 瑞士 洛桑 [2]，在歐洲、 亞洲 、 大洋洲 和 美洲 等一百多個國家或地區設有辦事處，是全球頂尖的 個人電腦 和其他 3C產品 輸入與介面 ...

2024年11月14日 · 罗技 （英语： Logitech International S.A.， / ˈlɒdʒɪtɛk / LO-ji-tek，常简写为 Logi）是一家 电脑 周边设备和 软件 制造商，总部位于 瑞士 洛桑 [2]，在欧洲、 亚洲 、 大洋洲 和 美洲 等一百多个国家或地区设有办事处，是全球顶尖的 个人计算机 和其他 3C产品 输入与 ...

Logi (Old Norse: [ˈloɣe], ' fire, flame') or Hálogi ([ˈhɑːˌloɣe], 'High Flame') is a jötunn and the personification of fire in Norse mythology. He is a son of the jötunn Fornjótr and the brother of Ægir or Hlér ('sea') and Kári ('wind'). Logi married fire giantess Glöð and she gave birth to their two beautiful daughters—Eisa and Eimyrja.

2025年3月24日 · Displays are not electrically compatible and also use different logic level (1.8v on M1)! this will qield quite big ZIP archive with lots of useful logs including boot log. While 5v_S2 is important power rail, it is not needed for the unit to power on.

CD3215 is a customized version of TPS65982/86 Texas Instruments power controller. Due to OTP configuration it is not compatible with OEM TPS chip. OTP configuration is coded in suffix: B01, B03, C01, C03. B and C series are not the same. B03 is used on some A1708/06 logicboards (2016) and can be replaced with C series if you swap all chips.

2023年8月22日 · SPI CS during a successful bootup on an 820-4924. The first 200ms burst seems to signify there is good communications with the EFI. With bad traces, that initial burst lasts around 2ms. Near the start of the 1.2 second burst the chime sounds and backlight turns on.

DFU on Beta software might brick the device so keyboard method wont work anymore, however it does not seem to affect anything if you do jumper method DFU. DFU mode is needed to …