diff --git a/src/arch/i386/include/arch/intel.h b/src/arch/i386/include/arch/intel.h
index df6604e08e..d05183adad 100644
--- a/src/arch/i386/include/arch/intel.h
+++ b/src/arch/i386/include/arch/intel.h
@@ -354,9 +354,20 @@ NO FUNCTIONS YET!
 
 
 /* originally this macro was from STPC BIOS */
+/* kevin/Ispiri - changed to default to serial port POST codes */
+#ifndef SERIAL_POST
 #define	intel_chip_post_macro(value)			 \
 	movb	$value, %al				; \
 	outb	%al, $0x80
+#else
+#define	intel_chip_post_macro(value)		\
+	mov	$'<', %al ; \
+	CALLSP(console_tx_al) ; \
+	mov	$value, %al ; \
+	CALLSP(console_tx_hex8) ; \
+	mov	$'>', %al ; \
+	CALLSP(console_tx_al)
+#endif
 
 #define INTEL_PDATA_MAGIC 0xdeadbeef
 
diff --git a/src/lib/subr.c b/src/lib/subr.c
index 2d96ceed37..53ca1f1f29 100644
--- a/src/lib/subr.c
+++ b/src/lib/subr.c
@@ -89,12 +89,8 @@ void error(char errmsg[])
  */
 void post_code(uint8_t value)
 {
-#if SERIAL_POST
-	unsigned long hi, lo;
-	// DAMMIT! This just broke!
-	//rdtsc(lo, hi);
-	printk_info("POST: 0x%02x, TSC Lo: %d, Hi: %d\n",
-	       value, lo, hi);
+#ifdef SERIAL_POST
+	printk_info("POST: 0x%02x\n", value);
 #endif
 	outb(value, 0x80);
 }