Changes between Version 5 and Version 6 of jazz/09-08-13

Timestamp:

Aug 13, 2009, 6:49:26 PM (15 years ago)

Author:

jazz

Comment:

--

jazz/09-08-13

@@ -40 +40 @@
   * [http://www.acpi.info/present.htm ACPI 相關簡報]
  * 在 "[http://www.mythtv.org/wiki/Shutdown_Wakeup MythTV Shutdown Wakeup]" 一文中提到一個軟體叫做 "[http://nvram-wakeup.sf.net nvram-wakeup]" ([http://packages.debian.org/nvram-wakeup deb套件])可以修改 BIOS 裡面的預約開機時間
-
+ * 在 "[http://www.mythtv.org/wiki/ACPI_Wakeup MythTV ACPI Wakeup]" 一文中，提到很多背景知識：
+  * 要使用 ACPI Wakeup 機制，必須 (1) 設定 BIOS (2) 關閉 hwclock 更新 (3) 
+  * Kernels 2.6.22 and newer use /sys/class/rtc/rtc0/wakealarm
+  * Kernels 2.6.21 and older use /proc/acpi/alarm
+  * 套件 [http://packages.debian.org/pm-utils pm-utils] 可以幫忙作電源管理跟 Suspend to RAM 的動作
+{{{
+# /usr/sbin/pm-suspend
+}}}
+  * /proc/driver/rtc 可以用來檢查 Alarm Date 跟 Alarm Time 是否正確
+  * /proc/acpi/wakeup 會顯示可以用來 Wakeup 的裝置(Ex. PCI, USB, etc...)
+{{{
+jazz@drbl:~$ cat /proc/acpi/wakeup
+Device  S-state   Status   Sysfs node
+PCI0      S5     disabled  no-bus:pci0000:00
+PEX0      S5     disabled  pci:0000:00:1c.0
+PEX1      S5     disabled
+PEX2      S5     disabled
+PEX3      S5     disabled
+PEX4      S5     disabled
+PEX5      S5     disabled
+HUB0      S5     disabled  pci:0000:00:1e.0
+UAR1      S3     disabled  pnp:00:07
+USB0      S3     disabled  pci:0000:00:1d.0
+USB1      S3     disabled  pci:0000:00:1d.1
+USB2      S3     disabled  pci:0000:00:1d.2
+USB3      S3     disabled  pci:0000:00:1d.3
+USBE      S3     disabled  pci:0000:00:1d.7
+AZAL      S5     disabled  pci:0000:00:1b.0
+}}}
 
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