
CPU-71-15 - User Manual
14
DPD5MAN101
3.2.3. External Memory Interface
CPU-71-15 has the following 2 external memory interfaces for mass storage devices and boot options:
Serial ATA. CPU-71-15 has two 6 Gb/s SATA ports (SATA0 and SATA1) accessible at the front
panel, which can boot from mass storage devices through cable connections. SATA2 is a 3 Gb/s
port and it is routed to the optional P0 connector to the backplane. SATA3 is also a 3 Gb/s port
and it is routed to a CFast connector on-board that facilitates self-contained OS booting.
USB. CPU-71-15 has 5 USB ports accessible at the front panel, which can boot from USB floppy or
USB-CD (DVD)-ROM or a USB flash drive.
3.3. Communication Specifications
CPU-71-15 has the following communication specifications with external devices.
3.3.1. Graphics
The CPU-71-15 has two graphics ports from the QM67 PCH that are accessible from the front panel.
An SVGA Port with a 340.4 MHz RAMDAC that supports resolutions up to 2048 x 1536 pixels @ 75
Hz. Three 8-bit DACs provide R, G, and B.
An LVDS port with three differential data bits routed to front panel connector J27 for flat panel
interfacing is compatible with the ANSI/TIA/EIA-644 specification.
The i7 processor provides 16 PCI Express lanes that may be used for graphics expansion. Eight of
these PCI Express lanes remain unrouted but the other 8 have been brought to optional XMC
connector, J15. XMC cards cannot be populated on off-the-shelf CPU-71-15 cards as they will
mechanically conflict with the front panel connectors.
Table 8. PCI Express Graphics Link Configuration
VMEbus
Pin Name
PCI Express
Lane
Link Configuration
1
Link Configuration
2
Link Configuration
3
PCIE15
15
X 4
X 8
(unrouted)
X 16
PCIE14
14
PCIE13
13
PCIE12
12
PCIE11
11
X 4
PCIE10
10
PCIE9
9
PCIE8
8
PCIE7
7
X 8
X 8
(routed to the optional
XMC connector J15)
PCIE6
6
PCIE5
5
PCIE4
4
PCIE3
3
PCIE2
2
PCIE1
1
PCIE0
0
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