diff --git a/nhc.conf b/nhc.conf
index af95038d34dfcf5eb96c855b40a7164abb23154b..55d2b70334f2271c8dfd1273f4378dbe74ed7dc3 100644
--- a/nhc.conf
+++ b/nhc.conf
@@ -26,9 +26,12 @@
    {c0[202-255]} || check_hw_cpuinfo 2 128 128
 
 # Set these to the amount of physical RAM you have (leave the fudge factor).
-   {c00[97-99],c0[103-114]} || check_hw_physmem 256gb 256gb 5%
-#### c0101 and c0102 are out of warranty and have lost a DIMM
-   {c0[101-102]} || check_hw_physmem 231gb 231gb 5%
+### 20241210 - c0101 and c0102 memory count has returned to 256G, adding them
+###   back to the original rule for the P100s
+   {c00[97-99],c0[100-114]} || check_hw_physmem 256gb 256gb 5%
+   #{c00[97-99],c0[103-114]} || check_hw_physmem 256gb 256gb 5%
+####   c0101 and c0102 are out of warranty and have lost a DIMM
+#   {c0[101-102]} || check_hw_physmem 231gb 231gb 5%
    {c0[115-135]} || check_hw_physmem 192gb 192gb 5%
    {c0[136-139]} || check_hw_physmem 1510gb 1510gb 5%
    {c0[140-201]} || check_hw_physmem 768gb 768gb 5%