diff --git a/src/video/vid_nv_riva128.c b/src/video/vid_nv_riva128.c
index 1e16a743b..2926c5535 100644
--- a/src/video/vid_nv_riva128.c
+++ b/src/video/vid_nv_riva128.c
@@ -1966,9 +1966,9 @@ void riva128_pgraph_vblank_interrupt(void *p)
 	addr &= 0xffffff;
 
 	//This logging condition is necessary to prevent A CATASTROPHIC LOG BLOWUP when polling PTIMER or PFIFO. DO NOT REMOVE.
-	/*if(!((addr >= 0x009000) && (addr <= 0x009fff)) && !((addr >= 0x002000) && (addr <= 0x003fff)) && !((addr >= 0x000000) 
+	if(!((addr >= 0x009000) && (addr <= 0x009fff)) && !((addr >= 0x002000) && (addr <= 0x003fff)) && !((addr >= 0x000000) 
 	&& (addr <= 0x000003)) && !((addr <= 0x680fff) && (addr >= 0x680000)) && !((addr >= 0x0c0000) && (addr <= 0x0cffff)) 
-	&& !((addr >= 0x110000) && (addr <= 0x11ffff)) && !(addr <= 0x000fff) && (addr >= 0x000000))*/ pclog("RIVA 128 MMIO read %08X %04X:%08X\n", addr, CS, cpu_state.pc);
+	&& !((addr >= 0x110000) && (addr <= 0x11ffff)) && !(addr <= 0x000fff) && (addr >= 0x000000)) pclog("RIVA 128 MMIO read %08X %04X:%08X\n", addr, CS, cpu_state.pc);
 
 	if((addr >= 0x000000) && (addr <= 0x000fff)) ret = riva128_pmc_read(addr, riva128);
 	if((addr >= 0x001000) && (addr <= 0x001fff)) ret = riva128_pbus_read(addr, riva128);
@@ -2043,7 +2043,7 @@ void riva128_pgraph_vblank_interrupt(void *p)
 	addr &= 0xffffff;
 
 	//DO NOT REMOVE. This fixes a monstrous log blowup in win9x's drivers when accessing PFIFO.
-	if(!((addr >= 0x002000) && (addr <= 0x003fff)) && !((addr >= 0xc0000) && (addr <= 0xcffff))/* && (addr != 0x000140)*/) pclog("RIVA 128 MMIO write %08X %08X %04X:%08X\n", addr, val, CS, cpu_state.pc);
+	if(!((addr >= 0x002000) && (addr <= 0x003fff)) && !((addr >= 0xc0000) && (addr <= 0xcffff)) && (addr != 0x000140)) pclog("RIVA 128 MMIO write %08X %08X %04X:%08X\n", addr, val, CS, cpu_state.pc);
 
 	
 	if((addr >= 0x000000) && (addr <= 0x000fff)) riva128_pmc_write(addr, val, riva128);