After some testing, I've made a minor fix to the Rev 1.66 patch of hw/ide.c.
With this patch, and the current CVS tree, I'm once again able to see the
devices after clicking on "MyComputer" in my Win98SE guest.
Ben
--- qemu.ORIG/hw/ide.c 2007-11-08 11:38:17.000000000 -0500
+++ qemu/hw/ide.c 2007-11-16 17:02:22.579592000 -0500
@@ -1353,7 +1353,7 @@
buf[8] = 0x2a;
buf[9] = 0x12;
- buf[10] = 0x08;
+ buf[10] = 0x00;
buf[11] = 0x00;
buf[12] = 0x70;
