Index: /trunk/src/VBox/Devices/PC/BIOS-new/ahci.c
===================================================================
--- /trunk/src/VBox/Devices/PC/BIOS-new/ahci.c	(revision 39590)
+++ /trunk/src/VBox/Devices/PC/BIOS-new/ahci.c	(revision 39591)
@@ -507,5 +507,5 @@
     bios_dsk->drqp.lba     = (uint32_t)length << 8;     //@todo: xfer length limit
     bios_dsk->drqp.buffer  = buffer;
-//    bios_dsk->drqp.nsect   = length / 2048;
+    bios_dsk->drqp.nsect   = length / bios_dsk->drqp.sect_sz;
 //    bios_dsk->drqp.sect_sz = 2048;