diff --git a/device/api/umd/device/tt_device/tt_device.h b/device/api/umd/device/tt_device/tt_device.h
index 14b846b0..81799931 100644
--- a/device/api/umd/device/tt_device/tt_device.h
+++ b/device/api/umd/device/tt_device/tt_device.h
@@ -34,6 +34,9 @@ class TLBManager;
 
 class TTDevice {
 public:
+    // TODO #526: This is a hack to allow UMD to use the NOC1 TLB. Don't use this function.
+    static void use_noc1(bool use_noc1);
+
     /**
      * Creates a proper TTDevice object for the given PCI device number.
      */
diff --git a/device/cluster.cpp b/device/cluster.cpp
index f4960198..0494ac7d 100644
--- a/device/cluster.cpp
+++ b/device/cluster.cpp
@@ -57,6 +57,8 @@ using namespace boost::interprocess;
 using namespace tt;
 using namespace tt::umd;
 
+extern bool umd_use_noc1;
+
 static const uint32_t MSG_ERROR_REPLY = 0xFFFFFFFF;
 
 // TLB size for DRAM on blackhole - 4GB
@@ -3440,7 +3442,8 @@ tt_xy_pair Cluster::translate_to_api_coords(const chip_id_t chip, const tt::umd:
 
 tt_xy_pair Cluster::translate_chip_coord_virtual_to_translated(const chip_id_t chip_id, const tt_xy_pair core) const {
     CoreCoord core_coord = get_soc_descriptor(chip_id).get_coord_at(core, get_coord_system_used());
-    auto translated_coord = get_soc_descriptor(chip_id).translate_coord_to(core_coord, CoordSystem::TRANSLATED);
+    auto translated_coord = get_soc_descriptor(chip_id).translate_coord_to(
+        core_coord, umd_use_noc1 ? CoordSystem::PHYSICAL : CoordSystem::TRANSLATED);
     return translated_coord;
 }
 
diff --git a/device/tt_device/tt_device.cpp b/device/tt_device/tt_device.cpp
index 8a7a904b..5941d137 100644
--- a/device/tt_device/tt_device.cpp
+++ b/device/tt_device/tt_device.cpp
@@ -9,8 +9,13 @@
 #include "umd/device/tt_device/grayskull_tt_device.h"
 #include "umd/device/tt_device/wormhole_tt_device.h"
 
+// TODO #526: This is a hack to allow UMD to use the NOC1 TLB.
+bool umd_use_noc1 = false;
+
 namespace tt::umd {
 
+void TTDevice::use_noc1(bool use_noc1) { umd_use_noc1 = use_noc1; }
+
 TTDevice::TTDevice(
     std::unique_ptr<PCIDevice> pci_device, std::unique_ptr<architecture_implementation> architecture_impl) :
     pci_device_(std::move(pci_device)),
@@ -298,6 +303,7 @@ dynamic_tlb TTDevice::set_dynamic_tlb(
             .y_end = static_cast<uint64_t>(end.y),
             .x_start = static_cast<uint64_t>(start.x),
             .y_start = static_cast<uint64_t>(start.y),
+            .noc_sel = umd_use_noc1 ? 1U : 0,
             .mcast = multicast,
             .ordering = ordering,
             // TODO #2715: hack for Blackhole A0, will potentially be fixed in B0.