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| inbox:toh:google:onhub_tp-link_tgr1900 [2024/07/25 17:13] – [Notes] bnorris | inbox:toh:google:onhub_tp-link_tgr1900 [2024/09/21 04:15] – [Asus / TP-LINK TGR1900 (Google OnHub)] Power jack details. ryanrs | ||
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| ====== Asus / TP-LINK TGR1900 (Google OnHub) ====== | ====== Asus / TP-LINK TGR1900 (Google OnHub) ====== | ||
| ~~NOTOC~~ | ~~NOTOC~~ | ||
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| /* This template is intended to be used via https:// | /* This template is intended to be used via https:// | ||
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| Asus / TP-LINK OnHub TGR1900 is a 3x3 802.11ac AP with a quad-core Qualcomm IPQ8064 SoC, 1 GiB RAM, and 4 GiB eMMC storage. Its stock firmware is based on ChromeOS, including a bootloader based on [[https:// | Asus / TP-LINK OnHub TGR1900 is a 3x3 802.11ac AP with a quad-core Qualcomm IPQ8064 SoC, 1 GiB RAM, and 4 GiB eMMC storage. Its stock firmware is based on ChromeOS, including a bootloader based on [[https:// | ||
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| ASUS OnHub SRT-AC1900 is a nearly-identical AP, with almost identical hardware specifications, | ASUS OnHub SRT-AC1900 is a nearly-identical AP, with almost identical hardware specifications, | ||
| - | /*****/ | + | The TP-Link uses a standard 12V barrel jack. The ASUS has a weird connector for 19V. Keep this in mind if you're buying on eBay, since many listings won't include the power supply. |
| - | /* How to add images ========> | + | |
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| ===== Supported Versions ===== | ===== Supported Versions ===== | ||
| <!-- ToH: { | <!-- ToH: { | ||
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| ==== Serial ==== | ==== Serial ==== | ||
| - | -> [[docs: | ||
| - | How to connect to the Serial Port of this specific device:\\ | + | {{ :media: |
| - | **Insert photo of PCB with markings for serial port** | + | |
| - | <WRAP BOX> | + | OnHub devices share the [[https://chromium.googlesource.com/chromiumos/third_party/ |
| - | FIXME //Replace EXAMPLE by real values.// | + | |
| - | </WRAP> | + | However, you may not be out of luck; it's technically possible to wire up your own connector, as the debug pads are still available on production systems, as highlighted on the board photo. The pinout is well documented in the [[https:// |
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| + | 15 = GND | ||
| + | 16 = 1P8_UART2_RX | ||
| + | 17 = 1P8_UART2_TX | ||
| + | 18 = PP1800 | ||
| - | ^ Serial connection parameters\\ for Google Onhub TP-LINK TGR1900 | EXAMPLE 115200, 8N1, 3.3V | | + | Skillful soldering could theoretically attach wires to these pins to bring out the 1.8V TTL UART port. |
| + | UART console is available in default software for both the stock ChromeOS firmware (once the device is in Developer Mode) and in OpenWrt. | ||
| + | ^ Serial connection parameters\\ for TP-LINK and ASUS OnHub | 115200, 8N1, 1.8V | | ||
| ===== Bootlogs ===== | ===== Bootlogs ===== | ||
| ==== OEM bootlog ==== | ==== OEM bootlog ==== | ||