Datasheet: 
http://www.datasheetsite.com/extpdf.php?q=http%3A%2F%2Fdownload.intel.com%2Fdesign%2Fflcomp%2Fsupport%2Fspecupdt%2F29779607.pdf

diff --git a/flashchips.c b/flashchips.c
index 70954b8..33751a1 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2375,26 +2375,49 @@ struct flashchip flashchips[] = {
 					{112 * 1024, 1},
 					{4 * 1024, 2},
 					{8 * 1024, 1},
 				},
 				.block_erase = erase_82802ab_block,
 			},
 		},
 		.write		= NULL,
 		.read		= read_memmapped,
 	},
 
 	{
 		.vendor		= "Intel",
+		.name		= "28F004S5",
+		.bustype	= CHIP_BUSTYPE_PARALLEL,
+		.manufacture_id	= INTEL_ID,
+		.model_id	= E_28F004S5,
+		.total_size	= 512,
+		.page_size	= 256,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_82802ab,
+		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
+		.erase		= NULL,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {64 * 1024, 8} },
+				.block_erase = erase_82802ab_block,
+			},
+		},
+		.write		= write_82802ab,
+		.read		= read_memmapped,
+	},
+
+	{
+		.vendor		= "Intel",
 		.name		= "82802AB",
 		.bustype	= CHIP_BUSTYPE_FWH,
 		.manufacture_id	= INTEL_ID,
 		.model_id	= I_82802AB,
 		.total_size	= 512,
 		.page_size	= 64 * 1024,
 		.tested		= TEST_OK_PRW,
 		.probe		= probe_82802ab,
 		.probe_timing	= TIMING_IGNORED, /* routine does not use probe_timing (82802ab.c) */
 		.erase		= NULL,
 		.block_erasers	=
 		{
 			{
diff --git a/flashchips.h b/flashchips.h
index 2a4d93b..ff04568 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -244,26 +244,29 @@
 #define HY_29LV400T		0xB9
 #define HY_29LV400B		0xBA
 #define HY_29F080		0xD5
 #define HY_29F800T		0xD6	/* Same as HY_29F800AT */
 #define HY_29LV800T		0xDA
 
 #define IMT_ID			0x7F1F	/* Integrated Memory Technologies */
 #define IM_29F004B		0xAE
 #define IM_29F004T		0xAF
 
 #define INTEL_ID		0x89	/* Intel */
 #define I_82802AB		0xAD
 #define I_82802AC		0xAC
+#define E_28F004S5		0xA7
+#define E_28F008S5		0xA6
+#define E_28F016S5		0xAA
 #define P28F001BXT		0x94	/* 28F001BX-T */
 #define P28F001BXB		0x95	/* 28F001BX-B */
 #define SHARP_LH28F008SA	0xA2	/* Sharp chip, Intel Vendor ID */
 #define SHARP_LH28F008SC	0xA6	/* Sharp chip, Intel Vendor ID */
 
 #define ISSI_ID			0xD5	/* ISSI Integrated Silicon Solutions */
 
 /*
  * MX25 chips are SPI, first byte of device ID is memory type,
  * second byte of device ID is log(bitsize)-9.
  * Generalplus SPI chips seem to be compatible with Macronix
  * and use the same set of IDs.
  */