There is no reason why Qemu should not be able to emulate
a diskless PC. So we support it.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>

Index: trunk/hw/pc.c
===================================================================
--- trunk.orig/hw/pc.c	2009-02-06 23:08:30.000000000 +0100
+++ trunk/hw/pc.c	2009-02-06 23:08:51.000000000 +0100
@@ -1147,6 +1147,7 @@
     .desc = "Standard PC",
     .init = pc_init_pci,
     .ram_require = VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,
+    .nodisk_ok = 1,
     .max_cpus = 255,
 };
 
@@ -1155,5 +1156,6 @@
     .desc = "ISA-only PC",
     .init = pc_init_isa,
     .ram_require = VGA_RAM_SIZE + PC_MAX_BIOS_SIZE,
+    .nodisk_ok = 1,
     .max_cpus = 1,
 };