jakllsch@kollasch.net wrote:
 > On Fri, Jan 11, 2008 at 01:00:50AM -0700, Art Lemasters wrote:
 >>   I've installed an Abit AN52 motherboard. It has an "nvidia nf520
 >> single chip." [The NetBSD kernel] only sees one SATA channel out of 
four. The BIOS
 >> sees two hard drives. FreeBSD (live cd) sees both drives (two
 >> drives plugged into two of the four SATA interfaces on the motherboard.
 >> My guess from looking at the FreeBSD dmesg (if the dmesg was accurate
 >> enough) is that there are two onboard SATA controllers, each with two
 >> channels (four interfaces on the motherboard).
 >
 > The FreeBSD dmesg could be useful.

   Here's the FreeBSD (7.0RC1) dmesg. I'll also keep the FreeBSD system
source code here, in case anyone wants excerpts/files from it.

=============== begin dmesg ======================

Copyright (c) 1992-2007 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-RC1 #0: Mon Dec 24 12:18:24 UTC 2007
     root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ (2109.74-MHz 
686-class CPU)
   Origin = "AuthenticAMD"  Id = 0x60fb1  Stepping = 1
 
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
   Features2=0x2001<SSE3,CX16>
   AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
   AMD Features2=0x11f<LAHF,CMP,SVM,ExtAPIC,CR8,Prefetch>
   Cores per package: 2
real memory  = 2146304000 (2046 MB)
avail memory = 2090758144 (1993 MB)
ACPI APIC Table: <Nvidia NVDAACPI>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
  cpu0 (BSP): APIC ID:  0
  cpu1 (AP): APIC ID:  1
ACPI Warning (tbfadt-0505): Optional field "Pm2ControlBlock" has zero 
address or length:        0       0/1 [20070320]
ioapic0: Changing APIC ID to 2
ioapic0 <Version 1.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
hptrr: HPT RocketRAID controller driver v1.1 (Dec 24 2007 12:17:58)
acpi0: <Nvidia NVDAACPI> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7fde0000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfeff0000-0xfeff03ff on 
acpi0
device_attach: acpi_hpet0 attach returned 12
cpu0: <ACPI CPU> on acpi0
powernow0: <PowerNow! K8> on cpu0
cpu1: <ACPI CPU> on acpi0
powernow1: <PowerNow! K8> on cpu1
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <memory, RAM> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
pci0: <memory, RAM> at device 1.2 (no driver attached)
ohci0: <OHCI (generic) USB controller> mem 0xfe02f000-0xfe02ffff irq 21 
at device 2.0 on pci0
ohci0: [GIANT-LOCKED]
ohci0: [ITHREAD]
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: <nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 10 ports with 10 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe02e000-0xfe02e0ff irq 
22 at device 2.1 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb1: EHCI version 1.0
usb1: companion controller, 10 ports each: usb0
usb1: <EHCI (generic) USB 2.0 controller> on ehci0
usb1: USB revision 2.0
uhub1: <nVidia EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb1
uhub1: 10 ports with 10 removable, self powered
pcm0: <NVidia MCP65 High Definition Audio Controller> mem 
0xfe024000-0xfe027fff irq 23 at device 7.0 on pci0
pcm0: [ITHREAD]
pcib1: <ACPI PCI-PCI bridge> at device 8.0 on pci0
pci1: <ACPI PCI bus> on pcib1
atapci0: <nVidia nForce MCP65 UDMA133 controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xec00-0xec0f at device 9.0 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
atapci1: <nVidia ATA controller> port 
0x9f0-0x9f7,0xbf0-0xbf3,0x970-0x977,0xb70-0xb73,0xd800-0xd80f mem 
0xfe02a000-0xfe02bfff irq 20 at device 10.0 on pci0
atapci1: [ITHREAD]
ata2: <ATA channel 0> on atapci1
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci1
ata3: [ITHREAD]
pcib2: <ACPI PCI-PCI bridge> at device 11.0 on pci0
pci2: <ACPI PCI bus> on pcib2
mskc0: <Marvell Yukon 88E8056 Gigabit Ethernet> port 0xbc00-0xbcff mem 
0xfddfc000-0xfddfffff irq 16 at device 0.0 on pci2
msk0: <Marvell Technology Group Ltd. Yukon EC Ultra Id 0xb4 Rev 0x03> on 
mskc0
msk0: Ethernet address: 00:50:8d:b0:b4:ef
miibus0: <MII bus> on msk0
e1000phy0: <Marvell 88E1149 Gigabit PHY> PHY 0 on miibus0
e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 
1000baseTX-FDX, auto
mskc0: [FILTER]
pcib3: <ACPI PCI-PCI bridge> at device 12.0 on pci0
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI PCI-PCI bridge> at device 13.0 on pci0
pci4: <ACPI PCI bus> on pcib4
vgapci0: <VGA-compatible display> port 0x9c00-0x9cff mem 
0xe8000000-0xefffffff,0xfd9f0000-0xfd9fffff irq 16 at device 0.0 on pci4
vgapci1: <VGA-compatible display> mem 0xfd9e0000-0xfd9effff at device 
0.1 on pci4
pcib5: <ACPI PCI-PCI bridge> at device 14.0 on pci0
pci5: <ACPI PCI bus> on pcib5
acpi_tz0: <Thermal Zone> on acpi0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on 
acpi0
sio0: type 16550A
sio0: [FILTER]
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model IntelliMouse, device ID 3
acpi_hpet0: <High Precision Event Timer> iomem 0xfeff0000-0xfeff03ff on 
acpi0
device_attach: acpi_hpet0 attach returned 12
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xc0000-0xccfff pnpid ORM0000 on isa0
ppc0: parallel port not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
hptrr: no controller detected.
acd0: DMA limited to UDMA33, device found non-ATA66 cable
acd0: DVDR <LITE-ON DVDRW SOHW-1673S/JS07> at ata0-master UDMA33
ad4: 78533MB <Hitachi HDS728080PLA380 PF2OA60A> at ata2-master UDMA33
ad6: 78533MB <Hitachi HDS728080PLA380 PF2OA60A> at ata3-master UDMA33
pcm0: <HDA Codec: Realtek ALC883>
pcm0: <HDA Driver Revision: 20071129_0050>
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad6s1a
drm0: <ATI Radeon RV370 X600 Pro> on vgapci0
info: [drm] Initialized radeon 1.25.0 20060524
info: [drm] Setting GART location based on new memory map
info: [drm] Loading R300 Microcode
info: [drm] writeback test succeeded in 1 usecs
drm0: [ITHREAD]


============== end dmesg ==================