diff --git a/tt_metal/hw/inc/blackhole/dev_mem_map.h b/tt_metal/hw/inc/blackhole/dev_mem_map.h
index d2d52ac749e0..828f2c33c752 100644
--- a/tt_metal/hw/inc/blackhole/dev_mem_map.h
+++ b/tt_metal/hw/inc/blackhole/dev_mem_map.h
@@ -51,9 +51,9 @@
 
 #define MEM_BOOT_CODE_BASE 0
 #define MEM_L1_BARRIER 12
-#define MEM_MAILBOX_BASE 48
+#define MEM_MAILBOX_BASE 16
 // Magic size must be big enough to hold dev_msgs_t.  static_asserts will fire if this is too small
-#define MEM_MAILBOX_SIZE 5 * 4 * 512 + 4 * 32 + 1364 + 8 * 4
+#define MEM_MAILBOX_SIZE 5 * 4 * 512 + 4 * 32 + 1364
 #define MEM_MAILBOX_END (MEM_MAILBOX_BASE + MEM_MAILBOX_SIZE)
 #define MEM_IERISC_MAILBOX_BASE 1024
 #define MEM_IERISC_MAILBOX_END (MEM_IERISC_MAILBOX_BASE + 128)
diff --git a/tt_metal/hw/inc/blackhole/eth_l1_address_map.h b/tt_metal/hw/inc/blackhole/eth_l1_address_map.h
index 3586808504ff..f2d7ac382d65 100644
--- a/tt_metal/hw/inc/blackhole/eth_l1_address_map.h
+++ b/tt_metal/hw/inc/blackhole/eth_l1_address_map.h
@@ -60,7 +60,7 @@ struct address_map {
   // erisc early exit functionality re-uses mailboxes_t::ncrisc_halt_msg_t::stack_save memory
   static constexpr std::int32_t ERISC_MEM_MAILBOX_STACK_SAVE = ERISC_MEM_MAILBOX_BASE + 4;
 
-  static constexpr std::uint32_t ERISC_MEM_MAILBOX_END = ERISC_MEM_MAILBOX_BASE + 288 + 256 + 16 + (32 + 512) * 4 + 64;
+  static constexpr std::uint32_t ERISC_MEM_MAILBOX_END = ERISC_MEM_MAILBOX_BASE + 288 + 256 + 16 + (32 + 512) * 4;
 
   static constexpr std::int32_t ERISC_L1_KERNEL_CONFIG_BASE = ERISC_MEM_MAILBOX_END;
   static constexpr std::int32_t ERISC_L1_UNRESERVED_BASE = ERISC_L1_KERNEL_CONFIG_BASE + ERISC_L1_KERNEL_CONFIG_SIZE;
diff --git a/tt_metal/hw/inc/dev_msgs.h b/tt_metal/hw/inc/dev_msgs.h
index 55add9c4c78b..b5b27e95ebac 100644
--- a/tt_metal/hw/inc/dev_msgs.h
+++ b/tt_metal/hw/inc/dev_msgs.h
@@ -236,19 +236,18 @@ struct dprint_buf_msg_t {
 
 
 // NOC aligment max from BH
-static constexpr uint32_t TT_ARCH_MAX_NOC_ALIGNMENT = 64;
+static constexpr uint32_t TT_ARCH_MAX_NOC_WRITE_ALIGNMENT = 16;
 
 // TODO: when device specific headers specify number of processors
 // (and hal abstracts them on host), get these from there (same as above for dprint)
 #if defined(COMPILE_FOR_ERISC) || defined (COMPILE_FOR_IDLE_ERISC)
 static constexpr uint32_t PROFILER_RISC_COUNT = 1;
-static constexpr uint32_t PROFILER_NOC_ALIGMENT_PAD_COUNT = 14;
 #else
 static constexpr uint32_t PROFILER_RISC_COUNT = 5;
-static constexpr uint32_t PROFILER_NOC_ALIGMENT_PAD_COUNT = 2;
 #endif
 
 static constexpr uint32_t LAUNCH_NOC_ALIGMENT_PAD_COUNT = 1;
+static constexpr uint32_t PROFILER_NOC_ALIGMENT_PAD_COUNT = 2;
 
 struct profiler_msg_t {
     uint32_t control_vector[kernel_profiler::PROFILER_L1_CONTROL_VECTOR_SIZE];
@@ -281,14 +280,14 @@ static_assert(
 #endif
 #if defined(COMPILE_FOR_ERISC) || defined (COMPILE_FOR_IDLE_ERISC)
 static_assert( eth_l1_mem::address_map::ERISC_MEM_MAILBOX_BASE + sizeof(mailboxes_t) < eth_l1_mem::address_map::ERISC_MEM_MAILBOX_END);
-static constexpr uint32_t ETH_LAUNCH_CHECK = (eth_l1_mem::address_map::ERISC_MEM_MAILBOX_BASE  + offsetof(mailboxes_t, launch)) % TT_ARCH_MAX_NOC_ALIGNMENT;
-static constexpr uint32_t ETH_PROFILER_CHECK = (eth_l1_mem::address_map::ERISC_MEM_MAILBOX_BASE  + offsetof(mailboxes_t, profiler)) % TT_ARCH_MAX_NOC_ALIGNMENT;
+static constexpr uint32_t ETH_LAUNCH_CHECK = (eth_l1_mem::address_map::ERISC_MEM_MAILBOX_BASE  + offsetof(mailboxes_t, launch)) % TT_ARCH_MAX_NOC_WRITE_ALIGNMENT;
+static constexpr uint32_t ETH_PROFILER_CHECK = (eth_l1_mem::address_map::ERISC_MEM_MAILBOX_BASE  + offsetof(mailboxes_t, profiler)) % TT_ARCH_MAX_NOC_WRITE_ALIGNMENT;
 static_assert( ETH_LAUNCH_CHECK == 0);
 static_assert( ETH_PROFILER_CHECK == 0);
 #else
 static_assert(MEM_MAILBOX_BASE + sizeof(mailboxes_t) < MEM_MAILBOX_END);
-static constexpr uint32_t TENSIX_LAUNCH_CHECK = (MEM_MAILBOX_BASE + offsetof(mailboxes_t, launch)) % TT_ARCH_MAX_NOC_ALIGNMENT;
-static constexpr uint32_t TENSIX_PROFILER_CHECK = (MEM_MAILBOX_BASE + offsetof(mailboxes_t, profiler)) % TT_ARCH_MAX_NOC_ALIGNMENT;
+static constexpr uint32_t TENSIX_LAUNCH_CHECK = (MEM_MAILBOX_BASE + offsetof(mailboxes_t, launch)) % TT_ARCH_MAX_NOC_WRITE_ALIGNMENT;
+static constexpr uint32_t TENSIX_PROFILER_CHECK = (MEM_MAILBOX_BASE + offsetof(mailboxes_t, profiler)) % TT_ARCH_MAX_NOC_WRITE_ALIGNMENT;
 static_assert( TENSIX_LAUNCH_CHECK == 0);
 static_assert( TENSIX_PROFILER_CHECK == 0);
 #endif
diff --git a/tt_metal/hw/inc/grayskull/dev_mem_map.h b/tt_metal/hw/inc/grayskull/dev_mem_map.h
index 526197d76bf0..c59561363660 100644
--- a/tt_metal/hw/inc/grayskull/dev_mem_map.h
+++ b/tt_metal/hw/inc/grayskull/dev_mem_map.h
@@ -53,9 +53,9 @@
 
 #define MEM_BOOT_CODE_BASE 0
 #define MEM_L1_BARRIER 12
-#define MEM_MAILBOX_BASE 48
+#define MEM_MAILBOX_BASE 16
 // Magic size must be big enough to hold dev_msgs_t.  static_asserts will fire if this is too small
-#define MEM_MAILBOX_SIZE 5 * 2 * 1024 + 128 + 1364 + 8 * 4
+#define MEM_MAILBOX_SIZE 5 * 2 * 1024 + 128 + 1364
 #define MEM_MAILBOX_END (MEM_MAILBOX_BASE + MEM_MAILBOX_SIZE)
 #define MEM_IERISC_MAILBOX_BASE 0
 #define MEM_IERISC_MAILBOX_END 0
diff --git a/tt_metal/hw/inc/wormhole/dev_mem_map.h b/tt_metal/hw/inc/wormhole/dev_mem_map.h
index e4fcc18d1f92..89a40666601d 100644
--- a/tt_metal/hw/inc/wormhole/dev_mem_map.h
+++ b/tt_metal/hw/inc/wormhole/dev_mem_map.h
@@ -55,9 +55,9 @@
 
 #define MEM_BOOT_CODE_BASE 0
 #define MEM_L1_BARRIER 12
-#define MEM_MAILBOX_BASE 48
+#define MEM_MAILBOX_BASE 16
 // Magic size must be big enough to hold dev_msgs_t.  static_asserts will fire if this is too small
-#define MEM_MAILBOX_SIZE 5 * 4 * 512 + 4 * 32 + 1364 + 8 * 4
+#define MEM_MAILBOX_SIZE 5 * 4 * 512 + 4 * 32 + 1364
 #define MEM_MAILBOX_END (MEM_MAILBOX_BASE + MEM_MAILBOX_SIZE)
 #define MEM_IERISC_MAILBOX_BASE 1024
 #define MEM_IERISC_MAILBOX_END (MEM_IERISC_MAILBOX_BASE + 128)
diff --git a/tt_metal/hw/inc/wormhole/eth_l1_address_map.h b/tt_metal/hw/inc/wormhole/eth_l1_address_map.h
index f0ef1b8fdec2..cbd5b6f6f53e 100644
--- a/tt_metal/hw/inc/wormhole/eth_l1_address_map.h
+++ b/tt_metal/hw/inc/wormhole/eth_l1_address_map.h
@@ -60,7 +60,7 @@ struct address_map {
   // erisc early exit functionality re-uses mailboxes_t::ncrisc_halt_msg_t::stack_save memory
   static constexpr std::int32_t ERISC_MEM_MAILBOX_STACK_SAVE = ERISC_MEM_MAILBOX_BASE + 4;
 
-  static constexpr std::uint32_t ERISC_MEM_MAILBOX_END = ERISC_MEM_MAILBOX_BASE + 288 + 256 + 16 + (512 + 32) * 4 + 64;
+  static constexpr std::uint32_t ERISC_MEM_MAILBOX_END = ERISC_MEM_MAILBOX_BASE + 288 + 256 + 16 + (512 + 32) * 4;
 
   static constexpr std::int32_t ERISC_L1_KERNEL_CONFIG_BASE = ERISC_MEM_MAILBOX_END;
   static constexpr std::int32_t ERISC_L1_UNRESERVED_BASE = ERISC_L1_KERNEL_CONFIG_BASE + ERISC_L1_KERNEL_CONFIG_SIZE;