diff --git a/src/mainboard/msi/ms7d25/mainboard.c b/src/mainboard/msi/ms7d25/mainboard.c
index ee781d5856..7e865331ef 100644
--- a/src/mainboard/msi/ms7d25/mainboard.c
+++ b/src/mainboard/msi/ms7d25/mainboard.c
@@ -78,6 +78,9 @@ void mainboard_silicon_init_params(FSP_S_CONFIG *params)
 	params->PcieRpFunctionSwap = 0;
 	params->CpuPcieRpFunctionSwap = 0;
 
+	params->PchLegacyIoLowLatency = 1;
+	params->PchDmiAspmCtrl = 0;
+
 	params->CpuPcieRpPmSci[0] = 1; // M2_1
 	params->CpuPcieRpPmSci[1] = 1; // PCI_E1
 	params->PcieRpPmSci[0]    = 1; // PCI_E2
diff --git a/src/mainboard/msi/ms7d25/romstage_fsp_params.c b/src/mainboard/msi/ms7d25/romstage_fsp_params.c
index b9b8206b83..833ff1ac97 100644
--- a/src/mainboard/msi/ms7d25/romstage_fsp_params.c
+++ b/src/mainboard/msi/ms7d25/romstage_fsp_params.c
@@ -55,6 +55,8 @@ void mainboard_memory_init_params(FSPM_UPD *memupd)
 	memupd->FspmConfig.CpuPcieRpClockReqMsgEnable[1] = 1;
 	memupd->FspmConfig.CpuPcieRpClockReqMsgEnable[2] = 0;
 	memupd->FspmConfig.DmiMaxLinkSpeed = 4; // Gen4 speed, undocumented
+	memupd->FspmConfig.DmiAspm = 0;
+	memupd->FspmConfig.DmiAspmCtrl = 0;
 	memupd->FspmConfig.SkipExtGfxScan = 0;
 
 	memupd->FspmConfig.PchHdaSdiEnable[0] = 1;