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Product Facts ⏐ Issue: June 01, 2008 ⏐ Product: SPARC
®
Enterprise M5000 Page 31 / 38
I/O-BOX
Product Overview
The External I/O Expansion Unit (hereafter referred to as I/O Box) is a rack-mountable expansion unit used to expand the
server’s I/O connectivity with up to 12 PCI Express or PCI-X slots. Each I/O-box can contain two External I/O kits (hereafter
referred to as I/O boats) (giving 12 slots in total). Each I/O boat provides either six PCI Express or six PCI-X slots.
To connect to the I/O boat insert a Link Card into a PCI Express slot on the server and connect them with a cable kit.
Up to four I/O Boxes can be connected resulting in 48 external PCI slots for a M5000
Appearance (provisional):
Features
• Each I/O Box comes with one I/O boat for six PCI Express or six PCI-X slots as standard. By adding a second PCI
Express or PCI-X I/O boat the I/O Box can provide a maximum of 12 slots.
• There are two kinds of expansion I/O boats; PCI Express and PCI-X. Mixed I/O boat configuration is supported.
• Both PCI Express and PCI-X slot types support PCI HotPlug for I/O cards.
• Hot replacement and hot system expansion for each I/O boat is also supported.
• Each I/O Box has 1+1 redundant power supply units and supports single or dual power feed.
• Hot replacement for each power supply unit is supported.
• The I/O Box can be mounted in a 19-inch rack (4U).
Specifications
Items Specifications Remarks
In base
system
PCI Express: 6 PCI-X: 6 Slot type,
number
Maximum
number
PCI Express: 12
or
PCI Express: 6 and
PCI-X: 6
PCI-X: 12
or
PCI Express: 6 and
PCI-X: 6
depending on the I/O
boat types which are
mounted
Redundant components Power supply units, power system
Hot replaceable
components
PCI cards, I/O boats, power supply units
Target servers M4000/ M5000
IO boat PCI Slot Specifications
I/O boat for PCI Express
PCI Bus Slot No. No. of Lanes Card Size
LINK0 for exclusive use with a Link Card
PCIE1 8 L
PCIE2 8 L
PCIE3 8 L
PCIE4 8 L
PCIE5 8 L
PCI Express
PCIE6 8 L
I/O boat for PCI-X
PCI Bus Slot No. Bus Width Clock Rate Input Voltage Card Size
LINK0
for exclusive use with a Link Card
PCIX1 64/32 bit 133 MHz 3.3 V/Universal L
PCIX2 64/32 bit 133 MHz 3.3 V/Universal L
PCIX3 64/32 bit 133 MHz 3.3 V/Universal L
PCIX4 64/32 bit 133 MHz 3.3 V/Universal L
PCIX5 64/32 bit 133 MHz 3.3 V/Universal L
PCI-X
PCIX6 64/32 bit 133 MHz 3.3 V/Universal L