Expansion Slots
Part number NS9000

PCI Slots
The NS-9000 has a total of eight PCI slots. Seven of the PCI slots are exclusively for PCI cards. Primary PCI slot #4 is actually a shared PCI/EISA slot, meaning it can accommodate a PCI card only if an EISA card is not installed in the adjacent connector (EISA slot #1).

Shared PCI/EISA Slot
This shared slot supports either a PCI or EISA card, but not both.

EISA Slots
The NS-9000 has a total of five EISA slots. One of these EISA slots is actually a shared PCI/EISA slot, meaning it can accommodate an EISA card only if a PCI card is not installed in the adjacent connector (Primary PCI slot #4).