diff --git a/src/altera.cpp b/src/altera.cpp
index ebf558e..69db275 100644
--- a/src/altera.cpp
+++ b/src/altera.cpp
@@ -372,6 +372,15 @@ const std::map<uint32_t, Altera::max10_mem_t> Altera::max10_memory_map = {
 		.done_bit_addr = 0x0011,  // done bit
 		.pgm_success_addr = 0x0015}  // program success addr
 	},
+	{0x31050dd, { // 10M50D
+		.check_addr0 = 0x80009,  // check_addr0
+		.dsm_addr = 0x0000, .dsm_len = 2048,  // DSM
+		.ufm_addr = 0x0800, .ufm_len = {8192, 8192},  // UFM
+		.cfm_addr = 0x2400, .cfm_len = {172032, 73728, 98304},  // CFM
+		.sectors_erase_addr = {0x17ffff, 0x27ffff, 0x37ffff, 0x47ffff, 0x57ffff}, // sectors erase address
+		.done_bit_addr = 0x0015,  // done bit
+		.pgm_success_addr = 0x0015}  // program success addr
+	},
 };
 
 /* Write an arbitrary file in UFM1, UFM0 by default and also CFM2 and CFM1 if