diff --git a/checkin_notes b/checkin_notes
index 8f7540556d..0451ef26b3 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -8566,3 +8566,14 @@ David  12 Oct 2009
 
     lib/
         x_util.cpp
+
+David  12 Oct 2009
+    - client: don't multiply checkpoint interval (i.e., "disk interval" pref)
+        by # processors.
+    - web: change description of pref to
+        "Applications checkpoint to disk at most every ..."
+
+    client/
+        app_start.cpp
+    html/inc/
+        prefs.inc
diff --git a/client/app_start.cpp b/client/app_start.cpp
index 843a102a78..03db3f5a1e 100644
--- a/client/app_start.cpp
+++ b/client/app_start.cpp
@@ -218,10 +218,7 @@ int ACTIVE_TASK::write_app_init_file() {
     aid.rsc_memory_bound = wup->rsc_memory_bound;
     aid.rsc_disk_bound = wup->rsc_disk_bound;
     aid.computation_deadline = result->computation_deadline();
-    int nprocs = gstate.ncpus;
-    if (result->avp->ncudas) nprocs = coproc_cuda->count;
-    if (result->avp->natis) nprocs = coproc_ati->count;
-    aid.checkpoint_period = nprocs*gstate.global_prefs.disk_interval;
+    aid.checkpoint_period = gstate.global_prefs.disk_interval;
     aid.fraction_done_start = 0;
     aid.fraction_done_end = 1;
 #ifdef _WIN32
diff --git a/doc/boinc_news.php b/doc/boinc_news.php
index bb9eceb1ed..5c0789de07 100644
--- a/doc/boinc_news.php
+++ b/doc/boinc_news.php
@@ -1,6 +1,11 @@
 <?
 
 $project_news = array(
+array("October 12, 2009",
+    "Welcome to <a href=http://escatter11.fullerton.edu/nfs/>NFS@home</a>,
+    a new project from California State University Fullerton.
+    NFS@Home uses volunteer computing to do the lattice sieving step in the Number Field Sieve factorization of large integers."
+),
 array("October 4, 2009",
     "<a href=\"http://www.efmer.eu/boinc/boinc_tasks/\">BoincTasks</a>, a new visual interface to BOINC, has been released for Windows.  BoincTasks lets you manage a single computer locally, or all your computers remotely."
 ),
diff --git a/doc/projects.inc b/doc/projects.inc
index 9bdf57cfbc..d1a0028c31 100644
--- a/doc/projects.inc
+++ b/doc/projects.inc
@@ -208,6 +208,14 @@ $mixed = array(
 $math = array(
     "Mathematics, computing, and games",
     array(
+        array(
+            "NFS@home",
+            "http://escatter11.fullerton.edu/nfs/",
+            "California State University Fullerton",
+            "Factorization of large integers",
+            "NFS@Home is a research project that uses Internet-connected computers to do the lattice sieving step in the Number Field Sieve factorization of large integers. As a young school student, you gained your first experience at breaking an integer into prime factors, such as 15 = 3 * 5 or 35 = 5 * 7. NFS@Home is a continuation of that experience, only with integers that are hundreds of digits long.",
+            "NFS_Logo.jpg"
+        ),
         array(
             "VTU@home",
             "http://boinc.vgtu.lt/vtuathome/",
diff --git a/html/inc/prefs.inc b/html/inc/prefs.inc
index 89f7e6d93b..038eed9d25 100644
--- a/html/inc/prefs.inc
+++ b/html/inc/prefs.inc
@@ -114,7 +114,7 @@ define("USE_AT_MOST", "Use at most");
 define("USE_AT_MOST2", "Use at most<span class=note><br>(Can be used to reduce CPU heat)</span>");
 define("USE_AT_MOST3", "Use at most");
 define("CPU_USAGE_LIMIT_DESC2", "percent of CPU time");
-define("DISK_INTERVAL_DESC", "Write to disk at most every");
+define("DISK_INTERVAL_DESC", "Applications checkpoint to disk at most every");
 define("DISK_LIMIT_DESC", "Disk and memory usage");
 define("DISK_MIN_FREE_GB_DESC", "Leave at least");
 define("DISK_SCHED_MIN_FREE_DESC1", "<br><span class=note>(Values smaller than ");