Changes between Version 5 and Version 6 of TestingGuide

Timestamp:

Oct 19, 2011, 7:52:25 PM (13 years ago)

Author:

David Azarewicz

Comment:

--

TestingGuide

@@ -11 +11 @@
   PSD=ACPI.PSD
 
-If this normal configuration doesn't work properly additional steps can be taken
-to restrict the PSD operation.
+This default, normal configuration attempts to start the system in Symmetric Mode,
+or APIC mode 2, or just Mode 2. You can always tell what mode the system is running
+in by using the !AcpiStat utility included in the distribution package. In fact, the
+!AcpiStat utility is the only way to determine what mode the system is running in.
+If this normal configuration doesn't work properly additional steps can be taken to
+restrict the PSD operation.
 
 If you suspect IO interrupt configuration issues or PCI configuration issues,
@@ -18 +22 @@
 alter the IO interrupt configuration and does not alter the PCI configuration
 from the way the BIOS has set it up. The APICs are enabled and multiple CPUs
-are enabled. ACPI and OEMHELP services are also available.
+are enabled. This is known as Virtual Wire mode or APIC mode 1, or just Mode 1.
+ACPI and OEMHELP services are still available in Mode 1.  
 
 If you suspect multiple CPU issues such as reentrancy problems you can prevent
@@ -30 +35 @@
 This system configuration remains in the state that BIOS has setup. The only
 reason you would want to run a system with the /PIC switch is for testing
-purposes. ACPI and OEMHELP services are still available in this mode.
+purposes. This is know as PIC mode, or Mode 0. ACPI and OEMHELP services are
+still available in Mode 0.
 
 Your testing order should be: