Dual P3-550 (Slot 1)
ASUS P2B Mobo
512MB of RAM
Built in SCSI controller
2GB SCSI Seagate drive with Win2k on it
ATA133 PCI RAID controller card
2 PCI Ethernet controllers
All in a mid-tower ATX case, just add drives, and maybe a beefier power supply and your ready to roll. $100