新しいDELL PE800のSATAもNICもFreeBSD5.4で問題ない。
RAID組めるんじゃないかなー？まずは、新しいのでやってみれ。

FreeBSD 5.4-STABLE #0: Tue May 10 18:24:45 JST 2005
PE800@home:/usr/obj/usr/src/sys/PE800
ACPI APIC Table: <DELL PE800 >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2800.12-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf41 Stepping = 1
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,P
AT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
real memory = 1065091072 (1015 MB)
avail memory = 1032716288 (984 MB)
..
bge0: <Broadcom BCM5721 Gigabit Ethernet, ASIC rev. 0x4001> mem 0xdfcf0000-0xdfcfffff
irq 18 at device 0.0 on pci5
miibus0: <MII bus> on bge0
brgphy0: <BCM5750 10/100/1000baseTX PHY> on miibus0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX,
auto
bge0: Ethernet address: 00:12:3f:24:81:fa
..
atapci0: <Intel ICH6 UDMA100 controller> port 0xfc00-0xfc0f,0x376,0x170-0x177,0x3f6,0
x1f0-0x1f7 at device 31.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
atapci1: <Intel ICH6 SATA150 controller> port 0xcc40-0xcc4f,0xcce0-0xcce3,0xcc58-0xcc
5f,0xcce8-0xcceb,0xccf0-0xccf7 irq 20 at device 31.2 on pci0
ata2: channel #0 on atapci1
ata3: channel #1 on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)