Another lucky score:

Big ATX AMD K7 2000+, Gigabyte 7ZXE, 512MB, ATI Radeon 9550
Intel Pentium 150 MHz
Seagate ST11200n SCSI hard drive
Adaptec ISA SCSI controller
VLB IO controller

All datasheets are available here:
http://computercaveman.eu/datasheet/bigatx/