Card Slots; Carriers - Oracle SPARC Enterprise M4000 Installation And Service Manual

1.2

Card Slots

The card slots have the following characteristics:
An I/O boat has seven card slots. Slot numbers 0 through 6 are counted from left
■
to right.
Slot 0 is reserved for the link card. Slot 0 is the first slot in the left side of the I/O
■
boat. For information about link cards, see
Slots 1-6 are for PCI cards. (PCI cards are sometimes known as host adapters or
■
host bus adapters.)
PCI card slots are hot-pluggable.
■
PCI-X and PCI Express sockets (
■
Installing a PCI-X or PCI Express card in the wrong type of I/O boat will damage
the card and the connector in the carrier slot.
The PCI Express I/O boat supports up to x8 card sockets. PCI Express x16 cards
■
are not supported in the PCI Express I/O boat.
Note – Graphics cards are not supported.
Caution – Do not insert a x16 PCI Express card in an I/O boat. The x16 card
connector is too large for the x8 card socket and will damage the socket.
1.2.1

Carriers

All PCI cards in the External I/O Expansion Unit are mounted on carriers
(
FIGURE 1-25
through the External I/O Expansion Unit.
The front of each carrier is labelled with its slot number (PCIX 1 or PCIE 1, and so
forth).
Note – Slot 0 is reserved for the link card. This slot is marked LINK 0.
There is only one type of carrier design used in the External I/O Expansion Unit. The
same carrier fits all slots in both types of PCI-X and PCI Express boats. Carriers are
physically keyed to fit only specific slot numbers. The keys can be adjusted for other
slots as needed.
). Carriers control RFI emissions and maintain the proper flow of air
Section 1.2.2, "Link Kits" on page
) are incompatible in length and height.
FIGURE 1-5
1-12.
Chapter 1 Overview 1-9