是否有软件/硬件组合可以让您通过 USB 在硬件级别进行控制？
我正在寻找一种具有以下功能的设备：
- 一端具有公头 VGA 和 USB 电缆。此端可插入任何具有正确输出的 PC 或服务器设备。
- 另一端只是 USB，可插入笔记本电脑电缆。
- 介于两者之间的是一个“东西”，它可以获取 VGA 输出，并可以通过笔记本电脑上运行的软件将 USB 传回目标。
我设想在笔记本电脑上运行类似 VNC 客户端的东西。中间的“东西”将有一个 VNC 服务器，用于处理 I/O 并通过 USB 电缆与笔记本电脑进行通信。
这将使笔记本电脑能够以类似于数据中心急救车或机架系统 KVM 架子和交换机的方式运行。
这与 IPMI 控制台的使用方式类似，但适用于不支持 IPMI 或 IPMI 配置不起作用的设备。它将允许用户在系统周期的任何时刻查看系统的输出，从开机到 POST，再到功能齐全的操作系统。
这样的事存在吗？如果没有，有人对如何建造这样的野兽有任何想法吗？
谢谢！
What I'm looking for is a device that does the following:
- One end has a male VGA and a USB cable. This end gets plugged into any pc or server device that has the correct outputs.
- The other end is just USB and gets plugged into a laptop cable.
- In between is a "something" that grabs the VGA output and can pass USB back to the target from software running on the laptop.
I envision something like a VNC client running on the laptop. The "something" in the middle would have a VNC server which handles the i/o and communicates with the laptop over the USB cable.
This would allow the laptop to function in a way similar to a data center crash cart, or a rack system KVM shelf and switch.
This would be used similar to the way an IPMI console is used, but for devices that either don't support IPMI, or where the IPMI configuration is not functioning. It would allow the user to see the output from the system at any point in the system's cycle, from power on through POST, through the full functioning OS.
Does such a thing exist? If not, does anyone have any thoughts for how to build such a beast?
Thanks!
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不存在这样的东西，我也不认为这可以用当前的技术来构建。要获得 VGA 输出，您需要访问视频卡（板载或 PCI 或其他），并且它不与 USB 端口连接。
如果有像 USB 电视调谐器这样的“外部显卡”，这可能很容易构建。您也许能够看到像 BIOS 一样的预启动视频。但你仍然无法控制硬件，因为 USB 需要实际电源（BMC 仅需要备用电源）
There is no such thing, also i dont think this can be built with current technology. To get VGA output you would need access to video card (onboard or PCI or whatever) and this doesn't interface with usb ports.
if there is a "external graphic cards" like those usb tv tuners this may be easy to build.you may be able to see pre boot video like bios. but still you can't control hardware as usb needs actual power (BMC needs only standby power)