diff --git a/devices/ioctrl/heathrow.cpp b/devices/ioctrl/heathrow.cpp
index 2c2c354..c77a1f9 100644
--- a/devices/ioctrl/heathrow.cpp
+++ b/devices/ioctrl/heathrow.cpp
@@ -77,8 +77,9 @@ HeathrowIC::HeathrowIC() : PCIDevice("mac-io/heathrow"), InterruptCtrl()
         std::bind(&AwacsScreamer::dma_out_stop, this->snd_codec)
     );
 
-    // connect SCSI HW
+    // connect SCSI HW and the corresponding DMA channel
     this->mesh = dynamic_cast<MeshController*>(gMachineObj->get_comp_by_name("Mesh"));
+    this->scsi_dma = std::unique_ptr<DMAChannel> (new DMAChannel());
 
     // connect IDE HW
     this->ide_0 = dynamic_cast<IdeChannel*>(gMachineObj->get_comp_by_name("Ide0"));
@@ -117,6 +118,8 @@ void HeathrowIC::notify_bar_change(int bar_num)
 
 uint32_t HeathrowIC::dma_read(uint32_t offset, int size) {
     switch (offset >> 8) {
+    case MIO_OHARE_DMA_MESH:
+        return this->scsi_dma->reg_read(offset & 0xFF, size);
     case MIO_OHARE_DMA_FLOPPY:
         return this->floppy_dma->reg_read(offset & 0xFF, size);
     case MIO_OHARE_DMA_AUDIO_OUT:
@@ -130,6 +133,9 @@ uint32_t HeathrowIC::dma_read(uint32_t offset, int size) {
 
 void HeathrowIC::dma_write(uint32_t offset, uint32_t value, int size) {
     switch (offset >> 8) {
+    case MIO_OHARE_DMA_MESH:
+        this->scsi_dma->reg_write(offset & 0xFF, value, size);
+        break;
     case MIO_OHARE_DMA_FLOPPY:
         this->floppy_dma->reg_write(offset & 0xFF, value, size);
         break;
diff --git a/devices/ioctrl/macio.h b/devices/ioctrl/macio.h
index ecfef30..cd70f69 100644
--- a/devices/ioctrl/macio.h
+++ b/devices/ioctrl/macio.h
@@ -298,6 +298,7 @@ private:
     BigMac*             bmac;     // Ethernet MAC cell
 
     // DMA channels
+    std::unique_ptr<DMAChannel>     scsi_dma;
     std::unique_ptr<DMAChannel>     snd_out_dma;
     std::unique_ptr<DMAChannel>     floppy_dma;
 };