diff --git a/reactos/boot/bootdata/hivesys_amd64.inf b/reactos/boot/bootdata/hivesys_amd64.inf
index f7acfc789c0..2149d3b5d83 100644
--- a/reactos/boot/bootdata/hivesys_amd64.inf
+++ b/reactos/boot/bootdata/hivesys_amd64.inf
@@ -1132,13 +1132,12 @@ HKLM,"SYSTEM\CurrentControlSet\Control\Print\Printers",,0x00000012
 
 HKLM,"SYSTEM\CurrentControlSet\Control\ProductOptions","ProductType",2,"WinNT"
 HKLM,"SYSTEM\CurrentControlSet\Control\ProductOptions","ProductSuite",0x00010002,""
+; Some installers check for SP1
+HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000100
 
 HKLM,"SYSTEM\CurrentControlSet\Control\SecurityProviders","SecurityProviders",2,"schannel.dll"
 HKLM,"SYSTEM\CurrentControlSet\Control\SecurityProviders\SaslProfiles",,0x00000012
 
-; Some installers check for SP6
-HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000600
-
 ; Service groups
 HKLM,"SYSTEM\CurrentControlSet\Control\ServiceGroupOrder","List",0x00010000, \
  "Boot Bus Extender", \
diff --git a/reactos/boot/bootdata/hivesys_arm.inf b/reactos/boot/bootdata/hivesys_arm.inf
index db9989956fb..cec534fe973 100644
--- a/reactos/boot/bootdata/hivesys_arm.inf
+++ b/reactos/boot/bootdata/hivesys_arm.inf
@@ -693,8 +693,8 @@ HKLM,"SYSTEM\CurrentControlSet\Control\Nls\Locale\Alternate Sorts","00021004",0x
 HKLM,"SYSTEM\CurrentControlSet\Control\Nls\Locale\Alternate Sorts","00021404",0x00000000,""
 HKLM,"SYSTEM\CurrentControlSet\Control\Nls\Locale\Alternate Sorts","00030404",0x00000000,""
 
-; Some installers check for SP6
-HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000600
+; Some installers check for SP1
+HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000100
 
 ; Service groups
 HKLM,"SYSTEM\CurrentControlSet\Control\ServiceGroupOrder","List",0x00010000, \
diff --git a/reactos/boot/bootdata/hivesys_i386.inf b/reactos/boot/bootdata/hivesys_i386.inf
index f7acfc789c0..2149d3b5d83 100644
--- a/reactos/boot/bootdata/hivesys_i386.inf
+++ b/reactos/boot/bootdata/hivesys_i386.inf
@@ -1132,13 +1132,12 @@ HKLM,"SYSTEM\CurrentControlSet\Control\Print\Printers",,0x00000012
 
 HKLM,"SYSTEM\CurrentControlSet\Control\ProductOptions","ProductType",2,"WinNT"
 HKLM,"SYSTEM\CurrentControlSet\Control\ProductOptions","ProductSuite",0x00010002,""
+; Some installers check for SP1
+HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000100
 
 HKLM,"SYSTEM\CurrentControlSet\Control\SecurityProviders","SecurityProviders",2,"schannel.dll"
 HKLM,"SYSTEM\CurrentControlSet\Control\SecurityProviders\SaslProfiles",,0x00000012
 
-; Some installers check for SP6
-HKLM,"SYSTEM\CurrentControlSet\Control\Windows","CSDVersion",0x00010001,0x00000600
-
 ; Service groups
 HKLM,"SYSTEM\CurrentControlSet\Control\ServiceGroupOrder","List",0x00010000, \
  "Boot Bus Extender", \