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-rw-r--r--src/mainboard/amd/dbm690t/dsdt.asl5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mainboard/amd/dbm690t/dsdt.asl b/src/mainboard/amd/dbm690t/dsdt.asl
index 6e98da3c6e..60a8b7a32e 100644
--- a/src/mainboard/amd/dbm690t/dsdt.asl
+++ b/src/mainboard/amd/dbm690t/dsdt.asl
@@ -1129,7 +1129,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1557,7 +1557,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/