cpu: Intel(R) Celeron(tm) processor 400 MHz
memory: 2 slots, SDRAM, 320 MB (64 + 256 MB), max memory 512 MB
disk: 160 GB - 152627MB <Seagate ST3160023A 3.06
video: nVidia - NV11 GeForce2 MX / MX 400
sound: ISA -  Creative ViBRA16C PnP (found with pnpinfo)
network: fxp0 - Intel 82557 Pro/100 Ethernet
usb: uhci - 2 ports

other: SCSI card - ahc0 - ava-2904 - Adaptec 2902/04/10/15/20C/30C SCSI adapter - SCSI id: 7
             zip drive - da0 - <IOMEGA ZIP 100 E.08> Removable Direct Access SCSI-2 device, SCSI id: 5
           tape drive - sa0 - <WANGTEK 5150ES SCSI FA03 08> Removable Sequential Access SCSI-CCS device, SCSI id: 3

bios: 686T1, Release Date: 08/18/99

More info: FreeBSD on this machine.

Work log:
2011-11-20: I added a Wangtek 5150ES tape drive to the machine. It is set to scsi id 3.