--- a/src/ata.c
+++ b/src/ata.c
@@ -237,6 +237,7 @@ send_cmd(struct drive_s *drive_g, struct ata_pio_command *cmd)
         return -4;
     }
     if (!(status & ATA_CB_STAT_DRQ)) {
+    outb(ATA_CB_DC_HD15, iobase2+ATA_CB_DC);
         dprintf(6, "send_cmd : DRQ not set (status %02x)\n", status);
         return -5;
     }