They are surplus gateway ALR 7200 sever boards with dual channel adaptec
7980 + RAID port
www.adc-ast
Has 4000449 Gateway ALR 7200 Server Motherboards $99
w / Digital 21150 PCI-to-PCI Bridge,
Chip set is intel BX
The lengthened slot is a shared PCI/RAIDPort, which will accommodate either
a PCI adapter card or an Adaptec RAIDPort III controller.
Any hope for linux runnig on this with out too much work, it's the Digital
21150 PCI-to-PCI Bridge that concerns me.