Thanks - on a dual-core Thinkpad T60 the new code boots and runs fine.

piixide0 at pci0 dev 31 function 1
piixide0: Intel 82801GB/GR IDE Controller (ICH7) (rev. 0x02)
piixide0: bus-master DMA support present
piixide0: primary channel configured to compatibility mode
piixide0: primary channel interrupting at ioapic0 pin 14 (irq 14)
atabus0 at piixide0 channel 0
piixide0: secondary channel configured to compatibility mode
piixide0: secondary channel ignored (disabled)
ahcisata0 at pci0 dev 31 function 2: Intel 82801GBM AHCI SATA Controller
ahcisata0: AHCI revision 1.0, 4 ports, 32 command slots, features 0xc710e000
ahcisata0: interrupting at ioapic0 pin 16 (irq 11)
atabus1 at ahcisata0 channel 0
[other stuff]
atapibus0 at atabus0: 2 targets
cd0 at atapibus0 drive 0: <MATSHITADVD-RAM UJ-842, , RB01> cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
cd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA)
ahcisata0 port 0: device present, speed: 1.5Gb/s
wd0 at atabus1 drive 0: <HTS541010G9SA00>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 95396 MB, 193821 cyl, 16 head, 63 sec, 512 bytes/sect x 195371568 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) (using DMA)




-- 
    Greg Troxel <gdt@ir.bbn.com>