27
The lithium ion battery powers the real-time clock and CMOS memory. It is an auxiliary source
of power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery
Battery
Expansion Slots
PCI Express x16 Slot
Install PCI Express x16 graphics card, that comply to the PCI Express specifications, into the
PCI Express x16 slot. To install a graphics card into the x16 slot, align the graphics card above
the slot then press it down firmly until it is completely seated in the slot. The retaining clip of
the slot will automatically hold the graphics card in place.
PCI Express x8 Slot
The PCI slot supports expansion cards that comply with PCI specifications. You can install a
PCI expansion card or a customized riser card designed for only 2 PCI slots expansion (for low
profile PCI card only) into the PCI slot.
PCI Express x4 Slot
Install PCI Express cards such as network cards or other cards that comply to the PCI Express
specifications into the PCI Express x4 slot.
PCI Express x16
(x8 or x16 Signal)
PCI Express x4
PCI Express x4
PCI Express x16
(x8 Signal)