--- 2.4.19pre10aa3/arch/i386/kernel/setup.c.~1~	Thu Jun 20 03:58:10 2002
+++ 2.4.19pre10aa3/arch/i386/kernel/setup.c	Thu Jun 20 04:25:35 2002
@@ -2789,6 +2789,11 @@ void __init identify_cpu(struct cpuinfo_
 		clear_bit(X86_FEATURE_TSC, &c->x86_capability);
 #endif
 
+#ifdef CONFIG_MULTIQUAD
+	/* Multiquad NUMA boxes can't keep their TSCs in sync */
+	clear_bit(X86_FEATURE_TSC, &c->x86_capability);
+#endif
+
 	/* HT disabled? */
 	if (disable_x86_ht)
 		clear_bit(X86_FEATURE_HT, &c->x86_capability);