diff --git a/flashchips.c b/flashchips.c
index 5fd78f2..3b72cdf 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -58,7 +58,7 @@
 		.page_size	= 16 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_29f040b,
-		.probe_timing	= TIMING_FIXME,
+		.probe_timing	= TIMING_ZERO,
 		.erase		= erase_29f040b,
 		.write		= write_pm29f002,
 		.read		= read_memmapped,
@@ -74,7 +74,7 @@
 		.page_size	= 256,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,
 		.erase		= erase_chip_jedec,
 		.write		= write_en29f002a,
 		.read		= read_memmapped,
@@ -90,7 +90,7 @@
 		.page_size	= 256,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,
 		.erase		= erase_chip_jedec,
 		.write		= write_en29f002a,
 		.read		= read_memmapped,
@@ -138,7 +138,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,
 		.erase		= erase_29f040b,
 		.write		= write_29f040b,
 		.read		= read_memmapped,
@@ -668,7 +668,7 @@
 		.page_size	= 64,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -684,7 +684,7 @@
 		.page_size	= 256,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, /* doc1008.pdf dont says anything about probe timing */
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -700,7 +700,7 @@
 		.page_size	= 256,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, /* doc1008.pdf dont says anything about probe timing */
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -780,7 +780,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_49fl00x,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (pm49fl00x.c) */
+		.probe_timing	= TIMING_ZERO,	/* routine is wrapper to probe_jedec (pm49fl00x.c) */
 		.erase		= erase_49fl00x,
 		.write		= write_49fl00x,
 		.read		= read_memmapped,
@@ -796,7 +796,7 @@
 		.page_size	= 4096,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -1068,7 +1068,7 @@
 		.page_size	= 256,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_en29f002a,
 		.read		= read_memmapped,
@@ -1084,7 +1084,7 @@
 		.page_size	= 256,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_en29f002a,
 		.read		= read_memmapped,
@@ -1100,7 +1100,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -1116,7 +1116,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -1164,7 +1164,7 @@
 		.page_size	= 128 * 1024, /* 8k + 2x4k + 112k */
 		.tested		= TEST_BAD_ERASE|TEST_BAD_WRITE,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -1180,7 +1180,7 @@
 		.page_size	= 128 * 1024, /* 112k + 2x4k + 8k */
 		.tested		= TEST_OK_PR|TEST_BAD_ERASE|TEST_BAD_WRITE,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -1692,7 +1692,7 @@
 		.page_size	= 4096,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -1708,7 +1708,7 @@
 		.page_size	= 16 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_49fl00x,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (pm49fl00x.c) */
+		.probe_timing	= TIMING_ZERO,	/* routine is wrapper to probe_jedec (pm49fl00x.c) */
 		.erase		= erase_49fl00x,
 		.write		= write_49fl00x,
 		.read		= read_memmapped,
@@ -1724,7 +1724,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_49fl00x,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (pm49fl00x.c) */
+		.probe_timing	= TIMING_ZERO,	/* routine is wrapper to probe_jedec (pm49fl00x.c) */
 		.erase		= erase_49fl00x,
 		.write		= write_49fl00x,
 		.read		= read_memmapped,
@@ -1916,7 +1916,7 @@
 		.page_size	= 128,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= 10,
 		.erase		= erase_chip_jedec,
 		.write		= write_jedec,
 		.read		= read_memmapped,
@@ -2076,7 +2076,7 @@
 		.page_size	= 16 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_sst_fwhub,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (sst_fwhub.c) */
+		.probe_timing	= 1,		/* 150 ns | routine is wrapper to probe_jedec (sst_fwhub.c) */
 		.erase		= erase_sst_fwhub,
 		.write		= write_sst_fwhub,
 		.read		= read_memmapped,
@@ -2092,7 +2092,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PROBE,
 		.probe		= probe_sst_fwhub,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (sst_fwhub.c) */
+		.probe_timing	= 1,		/* 150 ns | routine is wrapper to probe_jedec (sst_fwhub.c) */
 		.erase		= erase_sst_fwhub,
 		.write		= write_sst_fwhub,
 		.read		= read_memmapped,
@@ -2108,7 +2108,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_sst_fwhub,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (sst_fwhub.c) */
+		.probe_timing	= 1,		/* 150 ns | routine is wrapper to probe_jedec (sst_fwhub.c) */
 		.erase		= erase_sst_fwhub,
 		.write		= write_sst_fwhub,
 		.read		= read_memmapped,
@@ -2140,7 +2140,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_sst_fwhub,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (sst_fwhub.c) */
+		.probe_timing	= 1,		/* 150 ns | routine is wrapper to probe_jedec (sst_fwhub.c) */
 		.erase		= erase_sst_fwhub,
 		.write		= write_sst_fwhub,
 		.read		= read_memmapped,
@@ -2236,7 +2236,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_sst_fwhub,
-		.probe_timing	= TIMING_FIXME, /* routine is wrapper to probe_jedec (sst_fwhub.c) */
+		.probe_timing	= 1,		/* 150ns | routine is wrapper to probe_jedec (sst_fwhub.c) */
 		.erase		= erase_sst_fwhub,
 		.write		= write_sst_fwhub,
 		.read		= read_memmapped,
@@ -2482,7 +2482,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_m29f002,
 		.write		= write_m29f002b,
 		.read		= read_memmapped,
@@ -2498,7 +2498,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_m29f002,
 		.write		= write_m29f002t,
 		.read		= read_memmapped,
@@ -2546,7 +2546,7 @@
 		.page_size	= 16 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_jedec,
 		.read		= read_memmapped,
@@ -2562,7 +2562,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_jedec,
 		.read		= read_memmapped,
@@ -2706,7 +2706,7 @@
 		.page_size	= 64 * 1024,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_jedec,
 		.read		= read_memmapped,
@@ -2722,7 +2722,7 @@
 		.page_size	= 128,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -2738,7 +2738,7 @@
 		.page_size	= 128,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -2754,7 +2754,7 @@
 		.page_size	= 128,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -2770,7 +2770,7 @@
 		.page_size	= 128,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -2786,7 +2786,7 @@
 		.page_size	= 16384, /* Non-uniform sectors */
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -2802,7 +2802,7 @@
 		.page_size	= 16384, /* Non-uniform sectors */
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.erase		= NULL,
 		.write		= NULL,
 		.read		= read_memmapped,
@@ -2898,7 +2898,7 @@
 		.page_size	= 128,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= 10,		/* used datasheet for the W29C011A */
 		.erase		= erase_chip_jedec,
 		.write		= write_jedec,
 		.read		= read_memmapped,
@@ -3042,7 +3042,7 @@
 		.page_size	= 128,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= 10,
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,
@@ -3074,7 +3074,7 @@
 		.page_size	= 128,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
-		.probe_timing	= TIMING_FIXME, 
+		.probe_timing	= 10,
 		.erase		= erase_chip_jedec,
 		.write		= write_49f002,
 		.read		= read_memmapped,