Something

Index: bootloader/main-pp.c
===================================================================
--- bootloader/main-pp.c	(revision 12834)
+++ bootloader/main-pp.c	(working copy)
@@ -350,6 +368,10 @@
         pinfo = disk_partinfo(1);
         if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE)
         {
+     char nvram[512];
+     ata_read_sectors(pinfo->start + 0x3c08, 1, nvram);
+     nvram[0xe1] = 0;
+     ata_write_sectors(pinfo->start + 0x3c08, 1, nvram);
             rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE);
             if (rc < EOK) {
                 printf("Can't load from partition");