LenovoZ400/Z500/P500BIOS官方固件v1.21

在BIOSv1.21中增加HotKeyMode（关闭后按【F1】就不用同时按【FN】+【F1】了）原文描述:FlashBIOSupdate-FlashfromOperatingSystemversionforIdeaPadZ400/Z500/Z400Touch/Z500Touch/P400Touch/P500/P500Touch,ErazerZ400/Z400Touch/Z500/Z500TouchVersion71CN51WW(V1.21)InstallationREADMEUpdatedDate:2013-10-17Thispackageupdatesthebasicinput/o