diff --git a/api.cpp b/api.cpp
index 1209237..b27c07a 100644
--- a/api.cpp
+++ b/api.cpp
@@ -8,7 +8,7 @@
  * Software Foundation; either version 2 of the License, or (at your option)
  * any later version.  See COPYING for more details.
  */
-#define APIVERSION "1.1"
+#define APIVERSION "1.2"
 
 #ifdef WIN32
 # define  _WINSOCK_DEPRECATED_NO_WARNINGS
@@ -120,12 +120,11 @@ static void gpustatus(int thr_id)
 {
 	if (thr_id >= 0 && thr_id < gpu_threads) {
 		struct cgpu_info *cgpu = &thr_info[thr_id].gpu;
+		int gpuid = cgpu->gpu_id;
 		char buf[512]; *buf = '\0';
 		char pstate[8];
 		char* card;
 
-		cgpu->thr_id = thr_id;
-
 #ifdef USE_WRAPNVML
 		cgpu->has_monitoring = true;
 		cgpu->gpu_temp = gpu_temp(cgpu);
@@ -149,13 +148,13 @@ static void gpustatus(int thr_id)
 		cgpu->accepted = accepted_count;
 		cgpu->rejected = rejected_count;
 
-		cgpu->khashes = stats_get_speed(thr_id, 0.0) / 1000.0;
+		cgpu->khashes = stats_get_speed(cgpu->gpu_id, 0.0) / 1000.0;
 
 		snprintf(pstate, sizeof(pstate), "P%u", cgpu->gpu_pstate);
 		if (cgpu->gpu_pstate == -1)
 			*pstate= '\0';
 
-		card = device_name[device_map[thr_id]];
+		card = device_name[gpuid];
 
 		snprintf(buf, sizeof(buf), "GPU=%d;CARD=%s;TEMP=%.1f;FAN=%d;"
 			"FREQ=%d;PST=%s;KHS=%.2f;HWF=%d;I=%d|",
@@ -211,15 +210,16 @@ static char *getthreads(char *params)
 static char *gethistory(char *params)
 {
 	struct stats_data data[20];
-	int thr = params ? atoi(params) : -1;
+	int thrid = params ? atoi(params) : -1;
+	int gpuid = params ? device_map[(thrid & 0x7)] : -1;
 	char *p = buffer;
 	*buffer = '\0';
-	int records = stats_get_history(thr, data, ARRAY_SIZE(data));
+	int records = stats_get_history(gpuid, data, ARRAY_SIZE(data));
 	for (int i = 0; i < records; i++) {
 		time_t ts = data[i].tm_stat;
-		p += sprintf(p, "GPU=%d;KHS=%.2f;DIFF=%.6f;"
+		p += sprintf(p, "THR=%d|GPU=%d;KHS=%.2f;DIFF=%.6f;"
 				"COUNT=%u;FOUND=%u;TS=%u|",
-			data[i].gpu_id, data[i].hashrate, data[i].difficulty,
+			data[i].thr_id, data[i].gpu_id, data[i].hashrate, data[i].difficulty,
 			data[i].hashcount, data[i].hashfound, (uint32_t)ts);
 	}
 	return buffer;
@@ -238,7 +238,7 @@ static char *getmeminfo(char *params)
 	totmem = smem + hmem;
 
 	*buffer = '\0';
-	sprintf(buffer, "STATS=%u;HASHLOG=%u;MEM=%llu|",
+	sprintf(buffer, "STATS=%u;HASHLOG=%u;MEM=%lu|",
 		srec, hrec, totmem);
 
 	return buffer;
diff --git a/api/index.php b/api/index.php
index 4d371d0..d25c247 100644
--- a/api/index.php
+++ b/api/index.php
@@ -26,7 +26,7 @@ function getdataFromPears()
 
 function ignoreField($key)
 {
-	$ignored = array('API','VER','GPU','CARD','GPUS','CPU');
+	$ignored = array('API','VER','GPU','CARD','GPUS','CPU','TS');
 	return in_array($key, $ignored);
 }
 
@@ -47,6 +47,8 @@ function translateField($key)
 	$intl['UPTIME'] = 'Miner up time';
 	$intl['TS'] = 'Last update';
 
+	$intl['I'] = 'Intensity';
+
 	$intl['TEMP'] = 'T°c';
 	$intl['FAN'] = 'Fan %';
 	$intl['FREQ'] = 'Freq.';
diff --git a/ccminer.cpp b/ccminer.cpp
index e24fc97..bad42de 100644
--- a/ccminer.cpp
+++ b/ccminer.cpp
@@ -2186,6 +2186,8 @@ int main(int argc, char *argv[])
 		thr = &thr_info[i];
 
 		thr->id = i;
+		thr->gpu.gpu_id = device_map[i];
+		thr->gpu.thr_id = i;
 		thr->q = tq_new();
 		if (!thr->q)
 			return 1;
diff --git a/miner.h b/miner.h
index 3a0c626..b7eeeb5 100644
--- a/miner.h
+++ b/miner.h
@@ -112,6 +112,11 @@ typedef unsigned char uchar;
 # define min(a, b)  ((a) < (b) ? (a) : (b))
 #endif
 
+#ifndef UINT32_MAX
+/* for gcc 4.4 */
+#define UINT32_MAX UINT_MAX
+#endif
+
 #if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
 #define WANT_BUILTIN_BSWAP
 #else
@@ -363,21 +368,20 @@ extern int scanhash_x17(int thr_id, uint32_t *pdata,
 void *api_thread(void *userdata);
 
 struct cgpu_info {
-	int thr_id;
+	uint8_t gpu_id;
+	uint8_t thr_id;
 	int accepted;
 	int rejected;
 	int hw_errors;
 	double khashes;
-	int intensity;
-#ifdef USE_WRAPNVML
-	bool has_monitoring;
+	uint8_t intensity;
+	uint8_t has_monitoring;
 	float gpu_temp;
 	int gpu_fan;
 	int gpu_clock;
 	int gpu_memclock;
 	int gpu_pstate;
 	double gpu_vddc;
-#endif
 };
 
 struct thr_api {