diff --git a/flashchips.c b/flashchips.c
index 15c33c1..31a922e 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -10544,8 +10544,88 @@
 	},
 
 	{
+		.vendor		= "Micron/Numonyx/ST",
+		.name		= "N25Q256..3E", /* ..3E = 3V, uniform 64KB/4KB blocks/sectors */
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ST_ID,
+		.model_id	= ST_N25Q256__3E,
+		.total_size	= 32768,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 64B total; read 0x4B, write 0x42 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_WREN,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_21,
+			}, {
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {32768 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_n25q, /* TODO: config, lock, flag regs */
+		.unlock		= spi_disable_blockprotect_n25q, /* TODO: per 64kB sector lock registers */
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Micron/Numonyx/ST",
+		.name		= "N25Q512..3E", /* ..3E = 3V, uniform 64KB/4KB blocks/sectors */
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ST_ID,
+		.model_id	= ST_N25Q512__3E,
+		.total_size	= 65536,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 64B total; read 0x4B, write 0x42 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_WREN,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 16384} },
+				.block_erase = spi_block_erase_21,
+			}, {
+				.eraseblocks = { {4 * 1024, 16384} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 1024} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { {64 * 1024, 1024} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {65536 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_n25q, /* TODO: config, lock, flag regs */
+		.unlock		= spi_disable_blockprotect_n25q, /* TODO: per 64kB sector lock registers */
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {2700, 3600},
+	},
+
+	{
 		.vendor		= "Micron",
-		.name		= "N25Q256..3E/MT25QL256", /* ..3E/L = 3V, uniform 64KB/4KB blocks/sectors */
+		.name		= "MT25QL256", /* L = 3V, uniform 64KB/4KB blocks/sectors */
 		.bustype	= BUS_SPI,
 		.manufacture_id	= ST_ID,
 		.model_id	= ST_N25Q256__3E,
@@ -10585,7 +10665,7 @@
 
 	{
 		.vendor		= "Micron",
-		.name		= "N25Q512..3E/MT25QL512", /* ..3E/L = 3V, uniform 64KB/4KB blocks/sectors */
+		.name		= "MT25QL512", /* L = 3V, uniform 64KB/4KB blocks/sectors */
 		.bustype	= BUS_SPI,
 		.manufacture_id	= ST_ID,
 		.model_id	= ST_N25Q512__3E,