We ordered this very box for undeadly. It also took a while to arrive, but here's a preliminary dmesg (thanks to Kurt Seifried), further tests to follow (on-board RAID probably not working except for JBOD, second NIC not seen yet).
Daniel OpenBSD 3.8-current (GENERIC) #319: Tue Nov 1 13:55:52 MST 2005 [EMAIL PROTECTED]:/usr/src/sys/arch/amd64/compile/GENERIC real mem = 535265280 (522720K) avail mem = 447524864 (437036K) using 13119 buffers containing 53735424 bytes (52476K) of memory mainbus0 (root) cpu0 at mainbus0: (uniprocessor) cpu0: AMD Opteron(tm) Processor 146, 2010.54 MHz cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 1MB 64b/line 16-way L2 cache cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative cpu0: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative pci0 at mainbus0 bus 0: configuration mode 1 "Nvidia nForce4 DDR" rev 0xa3 at pci0 dev 0 function 0 not configured pcib0 at pci0 dev 1 function 0 "Nvidia nForce4 ISA" rev 0xa3 "Nvidia nForce4 SMBus" rev 0xa2 at pci0 dev 1 function 1 not configured ohci0 at pci0 dev 2 function 0 "Nvidia nForce4 USB" rev 0xa2: irq 10, version 1.0, legacy support usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: Nvidia OHCI root hub, rev 1.00/1.00, addr 1 uhub0: 8 ports with 8 removable, self powered ehci0 at pci0 dev 2 function 1 "Nvidia nForce4 USB" rev 0xa3: irq 11 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 uhub1: Nvidia EHCI root hub, rev 2.00/1.00, addr 1 uhub1: 8 ports with 8 removable, self powered pciide0 at pci0 dev 6 function 0 "Nvidia nForce4 IDE" rev 0xf2: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility atapiscsi0 at pciide0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <MATSHITA, DVD-ROM SR-8178, PZ16> SCSI0 5/cdrom removable cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4 pciide0: channel 1 disabled (no drives) pciide1 at pci0 dev 7 function 0 "Nvidia nForce4 SATA 1" rev 0xf3: DMA pciide1: using irq 11 for native-PCI interrupt wd0 at pciide1 channel 0 drive 0: <WDC WD800JD-00LSA0> wd0: 16-sector PIO, LBA48, 76319MB, 156301488 sectors wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5 wd1 at pciide1 channel 1 drive 0: <WDC WD800JD-75JNC0> wd1: 16-sector PIO, LBA, 76293MB, 156250000 sectors wd1(pciide1:1:0): using PIO mode 4, Ultra-DMA mode 5 pciide2 at pci0 dev 8 function 0 "Nvidia nForce4 SATA 2" rev 0xf3: DMA pciide2: using irq 10 for native-PCI interrupt ppb0 at pci0 dev 9 function 0 "Nvidia nForce4 PCI-PCI" rev 0xa2 pci1 at ppb0 bus 1 vga1 at pci1 dev 5 function 0 "ATI Rage XL" rev 0x27 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) "Nvidia CK804 LAN" rev 0xa3 at pci0 dev 10 function 0 not configured ppb1 at pci0 dev 11 function 0 "Nvidia nForce4 PCIE" rev 0xa3 pci2 at ppb1 bus 2 ppb2 at pci0 dev 12 function 0 "Nvidia nForce4 PCIE" rev 0xa3 pci3 at ppb2 bus 3 ppb3 at pci0 dev 13 function 0 "Nvidia nForce4 PCIE" rev 0xa3 pci4 at ppb3 bus 4 bge0 at pci4 dev 0 function 0 "Broadcom BCM5721" rev 0x11, BCM5750 B1 (0x4101): irq 5, address 00:e0:81:58:38:86 brgphy0 at bge0 phy 1: BCM5750 10/100/1000baseT PHY, rev. 0 ppb4 at pci0 dev 14 function 0 "Nvidia nForce4 PCIE" rev 0xa3 pci5 at ppb4 bus 5 pchb0 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00 pchb1 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00 pchb2 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00 pchb3 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 sysbeep0 at pcppi0 uhidev0 at uhub0 port 1 configuration 1 interface 0 uhidev0: Logitech Logitech USB Keyboard, rev 1.10/15.00, addr 2, iclass 3/1 ukbd0 at uhidev0: 8 modifier keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub0 port 1 configuration 1 interface 1 uhidev1: Logitech Logitech USB Keyboard, rev 1.10/15.00, addr 2, iclass 3/0 uhidev1: 3 report ids uhid0 at uhidev1 reportid 1: input=2, output=0, feature=0 uhid1 at uhidev1 reportid 2: input=1, output=0, feature=0 ums0 at uhidev1 reportid 3: 0 buttons and Z dir. wsmouse0 at ums0 mux 0 dkcsum: wd0 matches BIOS drive 0x80 wd1: no disk label dkcsum: wd1 matches BIOS drive 0x81 root on wd0a rootdev=0x0 rrootdev=0x300 rawdev=0x302