diff --git a/src/chipset/intel_4x0.c b/src/chipset/intel_4x0.c
index 364030a28..83eabb5e8 100644
--- a/src/chipset/intel_4x0.c
+++ b/src/chipset/intel_4x0.c
@@ -1507,7 +1507,7 @@ static void
 
 		regs[0x02] = (regs[0x7a] & 0x02) ? 0x92 : 0x90; regs[0x03] = 0x71;	/* 82443BX */
 		regs[0x06] = (regs[0x7a] & 0x02) ? 0x00 : 0x10;
-		regs[0x08] = 0x02;
+		regs[0x08] = (regs[0x7a] & 0x02) ? 0x03 : 0x02;
 		regs[0x10] = 0x08;
 		regs[0x34] = (regs[0x7a] & 0x02) ? 0x00 : 0xa0;
 		if (cpu_busspeed <= 66666667)