PXH812 User’s Guide –
Dolphin Interconnect Solutions
Page 12
Use Cases Summary and Settings
The table below gives an overview of the various use cases, settings and limitations.
Use
case
Description
NTB DIP switch
setting
Clock source Cable pull
Power
sequence
requirements
Software/Driver
A
PXH812 in transparent
Host mode connects to
downstream IO
no
TRANSP
ON
TARGET
OFF
Adapter card
drives
CREFCLK
Not
supported
by legacy
device
drivers
IO system must
power on first
No driver
required for
PXH812 card.
Legacy drivers for
IO Devices
B
PXH812 in transparent
Target mode
no
TRANSP ON
TARGET ON
Adapter card
receives clock
from PCI
Express cable.
PXH812 will
provide
REFCLK on
edge
connector
Not
supported
by legacy
device
drivers
IO system must
power on first
No driver
required for
PXH812 card.
Legacy drivers for
IO Devices
C
IXS600 switch used to
create a scale out
expansion network. Up to
7 systems connected to
one Host
no
Set as
specified for
use case A
and B
IXS600
receives clock
from
upstream
PXH812 and
generates
clock to
downstream
PXH812
Not
supported
by legacy
device
drivers
IO system must
power on first
No driver
required for
PXH812 card.
Legacy drivers for
IO Devices
Table 3: Adapter Use Cases
