diff --git a/checkin_notes b/checkin_notes
index 8f3d403f80..fe13af90da 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -10147,3 +10147,20 @@ David  16 Dec 2008
         login_action.php
         manage_user.php
         team_import.php
+
+David  16 Dec 2008
+    - scheduler: if client has coprocs,
+        put a textual summary of them in host.serialnum (currently unused)
+    - web: show coprocs on host detail page
+    - db_dump: include coproc info in host XML
+
+    db/
+        boinc_db.h
+    html/inc/
+        hostl.inc
+    lib/
+        coproc.cpp,h
+    sched/
+        db_dump.cpp
+        handle_request.cpp
+        server_types.cpp
diff --git a/db/boinc_db.h b/db/boinc_db.h
index 19f4f12ea3..351d7df643 100644
--- a/db/boinc_db.h
+++ b/db/boinc_db.h
@@ -228,7 +228,7 @@ struct HOST {
     int timezone;           // local STANDARD time at host - UTC time
                             // (in seconds) 
     char domain_name[256];
-    char serialnum[256];
+    char serialnum[256];    // textual description of coprocessors
     char last_ip_addr[256]; // internal IP address as of last RPC
     int nsame_ip_addr;      // # of RPCs with same IP address
 
diff --git a/html/inc/host.inc b/html/inc/host.inc
index f08b188570..c24d85fdbe 100644
--- a/html/inc/host.inc
+++ b/html/inc/host.inc
@@ -95,6 +95,9 @@ function show_host($host, $user, $ipprivate) {
     row2("Avg. credit", format_credit($host->expavg_credit));
     row2("CPU type", "$host->p_vendor <br> $host->p_model");
     row2("Number of CPUs", $host->p_ncpus);
+    if ($host->serialnum) {
+        row2("Coprocessors", $host->serialnum);
+    }
     row2("Operating System", "$host->os_name <br> $host->os_version");
     $x = $host->m_nbytes/(1024*1024);
     $y = round($x, 2);
diff --git a/lib/coproc.cpp b/lib/coproc.cpp
index 8d322c700c..44d27f9480 100644
--- a/lib/coproc.cpp
+++ b/lib/coproc.cpp
@@ -30,6 +30,7 @@
 #include "error_numbers.h"
 #include "filesys.h"
 #include "parse.h"
+#include "str_util.h"
 
 #include "coproc.h"
 
@@ -64,6 +65,23 @@ int COPROC::parse(MIOFILE& fin) {
     return ERR_XML_PARSE;
 }
 
+void COPROCS::summary_string(char* buf, int len) {
+    char bigbuf[8192], buf2[1024];
+
+    strcpy(bigbuf, "");
+    for (unsigned int i=0; i<coprocs.size(); i++) {
+        COPROC* cp = coprocs[i];
+        if (!strcmp(cp->type, "CUDA")) {
+            COPROC_CUDA* cp2 = (COPROC_CUDA*) cp;
+            int mem = (int)(cp2->prop.totalGlobalMem/MEGA);
+            sprintf(buf2, "[CUDA|%s|%d|%dMB]", cp2->prop.name, cp2->count, mem);
+            strcat(bigbuf, buf2);
+        }
+    }
+    bigbuf[len-1] = 0;
+    strcpy(buf, bigbuf);
+}
+
 vector<string> COPROCS::get() {
     vector<string> strings;
     string s = COPROC_CUDA::get(*this);
diff --git a/lib/coproc.h b/lib/coproc.h
index 543661b999..35566ccffe 100644
--- a/lib/coproc.h
+++ b/lib/coproc.h
@@ -70,6 +70,7 @@ struct COPROCS {
 #endif
     std::vector<std::string> get();
     int parse(FILE*);
+    void summary_string(char*, int);
     COPROC* lookup(char*);
     bool sufficient_coprocs(COPROCS&, bool log_flag, const char* prefix);
     void reserve_coprocs(COPROCS&, void*, bool log_flag, const char* prefix);
diff --git a/sched/db_dump.cpp b/sched/db_dump.cpp
index 9cad2aecd6..68b2c04050 100644
--- a/sched/db_dump.cpp
+++ b/sched/db_dump.cpp
@@ -337,6 +337,16 @@ void write_host(HOST& host, FILE* f, bool detail) {
         os_name,
         os_version
     );
+
+    // host.serialnum stores coprocessor description
+    //
+    if (strlen(host.serialnum)) {
+        char serialnum[1024];
+        xml_escape(host.serialnum, serialnum, sizeof(serialnum));
+        fprintf(f,
+            "    <coprocs>%s</coprocs>\n", serialnum
+        );
+    }
     if (detail) {
         fprintf(f,
             "  <create_time>%d</create_time>\n"
diff --git a/sched/handle_request.cpp b/sched/handle_request.cpp
index 46a3c1603e..9d5e014ca9 100644
--- a/sched/handle_request.cpp
+++ b/sched/handle_request.cpp
@@ -610,7 +610,7 @@ static void compute_credit_rating(HOST& host) {
 static int modify_host_struct(SCHEDULER_REQUEST& sreq, HOST& host) {
     host.timezone = sreq.host.timezone;
     strncpy(host.domain_name, sreq.host.domain_name, sizeof(host.domain_name));
-    strncpy(host.serialnum, sreq.host.serialnum, sizeof(host.serialnum));
+    sreq.coprocs.summary_string(host.serialnum, sizeof(host.serialnum));
     if (strcmp(host.last_ip_addr, sreq.host.last_ip_addr)) {
         strncpy(host.last_ip_addr, sreq.host.last_ip_addr, sizeof(host.last_ip_addr));
     } else {
diff --git a/sched/server_types.cpp b/sched/server_types.cpp
index 8d2502efef..85621f52ed 100644
--- a/sched/server_types.cpp
+++ b/sched/server_types.cpp
@@ -991,7 +991,6 @@ int HOST::parse(FILE* fin) {
         if (match_tag(buf, "</host_info>")) return 0;
         if (parse_int(buf, "<timezone>", timezone)) continue;
         if (parse_str(buf, "<domain_name>", domain_name, sizeof(domain_name))) continue;
-        if (parse_str(buf, "<serialnum>", serialnum, sizeof(serialnum))) continue;
         if (parse_str(buf, "<ip_addr>", last_ip_addr, sizeof(last_ip_addr))) continue;
         if (parse_str(buf, "<host_cpid>", host_cpid, sizeof(host_cpid))) continue;
         if (parse_int(buf, "<p_ncpus>", p_ncpus)) continue;