公开(公告)号：US06697033B1

公开(公告)日：2004-02-24

申请号：US09724456

申请日：2000-11-28

申请人： Kwok-Chiu Leung ,  Xiaokang Zhang ,  Foo-Yat Fong

发明人： Kwok-Chiu Leung ,  Xiaokang Zhang ,  Foo-Yat Fong

IPC分类号： G09G500

CPC分类号： G09G5/00 ,  G09G5/006 ,  G09G2330/026 ,  G09G2370/042

摘要： A method and system connects a display device or other device to a computer system during operation of the system. Initially a run time EDID (Extended Display Identification Data) flag is set to a first value indicating no run time EDID is required. By monitoring for an interrupt a checking is carried out for a change to a new display device in the computer system. If no change to a new display device is detected, the run time EDID flag is checked. If the run time EDID flag indicates that no run time EDID is required, an EDID is read from a video BIOS on a graphics adapter in the computer system. If the run time EDID flag indicates that a run time EDID is required, an EDID is read from a video memory on a graphics adapter in the computer system. If a change to a new display device is detected, the run time EDID flag is set to a second value and EDID is then downloaded from the new display device.

摘要翻译： 在系统操作期间，方法和系统将显示设备或其他设备连接到计算机系统。 最初将运行时EDID（扩展显示识别数据）标志设置为指示不需要运行时EDID的第一值。 通过监视中断，执行检查以更改计算机系统中的新显示设备。 如果未检测到新显示设备的更改，则检查运行时间EDID标志。 如果运行时间EDID标志指示不需要运行时间EDID，则从计算机系统中的图形适配器上的视频BIOS读取EDID。 如果运行时间EDID标志指示需要运行时间EDID，则从计算机系统中的图形适配器上的视频存储器读取EDID。 如果检测到对新显示设备的改变，则将运行时间EDID标志设置为第二值，然后从新的显示设备下载EDID。