diff --git a/checkin_notes b/checkin_notes
index 64e24c669a..1b9ec7d421 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -7560,3 +7560,12 @@ David  7 Sept 2009
 
     tools/
         make_project
+
+David  8 Sept 2009
+    - client: add code for faking ATI GPUs
+
+    client/
+        client_state.cpp
+        work_fetch.cpp
+    lib/
+        coproc.cpp,h
diff --git a/client/client_state.cpp b/client/client_state.cpp
index 59952accf0..6f6314581f 100644
--- a/client/client_state.cpp
+++ b/client/client_state.cpp
@@ -262,7 +262,11 @@ int CLIENT_STATE::init() {
         }
 #if 0
         fake_cuda(coprocs, 2);
-        msg_printf(NULL, MSG_INFO, "Faking a CUDA device");
+        msg_printf(NULL, MSG_INFO, "Faking an NVIDIA GPU");
+#endif
+#if 0
+        fake_ati(coprocs, 2);
+        msg_printf(NULL, MSG_INFO, "Faking an ATI GPU");
 #endif
         if (coprocs.coprocs.size() == 0) {
             msg_printf(NULL, MSG_INFO, "No coprocessors");
diff --git a/client/work_fetch.cpp b/client/work_fetch.cpp
index 052b3f7a7c..d80f5fa9d3 100644
--- a/client/work_fetch.cpp
+++ b/client/work_fetch.cpp
@@ -385,7 +385,7 @@ static bool has_a_job(PROJECT* p) {
     return false;
 }
 
-// we're going to contact this project reasons other than work fetch;
+// we're going to contact this project for reasons other than work fetch;
 // decide if we should piggy-back a work fetch request.
 //
 void WORK_FETCH::compute_work_request(PROJECT* p) {
diff --git a/lib/coproc.cpp b/lib/coproc.cpp
index f38aea9235..464b8de54f 100644
--- a/lib/coproc.cpp
+++ b/lib/coproc.cpp
@@ -439,7 +439,7 @@ void COPROC_CUDA::description(char* buf) {
     );
 }
 
-// add a non-existent CUDA coproc (for debugging)
+// fake a NVIDIA GPU (for debugging)
 //
 void fake_cuda(COPROCS& coprocs, int count) {
    COPROC_CUDA* cc = new COPROC_CUDA;
@@ -450,7 +450,7 @@ void fake_cuda(COPROCS& coprocs, int count) {
    }
    cc->display_driver_version = 18000;
    cc->cuda_version = 2020;
-   strcpy(cc->prop.name, "CUDA NVIDIA chip");
+   strcpy(cc->prop.name, "Fake NVIDIA GPU");
    cc->prop.totalGlobalMem = 256*1024*1024;
    cc->prop.sharedMemPerBlock = 100;
    cc->prop.regsPerBlock = 8;
@@ -946,3 +946,17 @@ void COPROC_ATI::description(char* buf) {
         name, version, attribs.localRAM/1024.*1024., flops()/1.e9
     );
 }
+
+void fake_ati(COPROCS& coprocs, int count) {
+    COPROC_ATI* cc = new COPROC_ATI;
+    strcpy(cc->type, "ATI");
+    strcpy(cc->version, "1.2.3");
+    cc->count = count;
+    cc->attribs.numberOfSIMD = 32;
+    cc->attribs.wavefrontSize = 32;
+    cc->attribs.engineClock = 500;
+    for (int i=0; i<count; i++) {
+        cc->device_nums[i] = i;
+    }
+    coprocs.coprocs.push_back(cc);
+}
diff --git a/lib/coproc.h b/lib/coproc.h
index 9586777d82..75dfaab554 100644
--- a/lib/coproc.h
+++ b/lib/coproc.h
@@ -253,6 +253,7 @@ struct COPROC_CUDA : public COPROC {
 };
 
 void fake_cuda(COPROCS&, int);
+void fake_ati(COPROCS&, int);
 
 enum CUdevice_attribute_enum {
   CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK = 1,