PXH812 User’s Guide –
Dolphin Interconnect Solutions
Page 4
Quick Install Guide
The PXH812 card is shipped in an anti-static bag to prevent static electricity damage. The card should only be
removed from the bag after ensuring that anti-static precautions are taken.
The PXH812 card can be installed in any PCI Express compliant x8 or x16, Gen1, Gen2 or Gen3 slot. Electrically,
the PXH812 supports PCIe Gen1, Gen2 and Gen3 speeds and x1, x2, x4 and x8 link-widths.
The card will operate at the highest common speed shared between the slot and the card (Gen3) and the widest common
link-width (x8).
For best performance, we recommend a PCI Express Gen3 x8 or Gen3 x16 slot.
PXH812 Operating Modes
The Dolphin PCI Express PXH812 card is a transparent PCI Express Gen3 cable adapter card. The card supports
both upstream host and downstream target operation. The operation is controlled by the TRANSP and TARGET
DIP switches that can be found close to the upper edge of the board. The main
configuration options are found in the table below. The shipping default is
Transparent Host mode. To enable Transparent Target mode, DIP switch TARGET
needs to be set. In Transparetn Target mode, the NTB-LED will be orange. For both
modes, OPT2 can also be set to tune the card for long cables
–
this is typically
required for 3-5m (10-16ft) copper cables.
Configuration PXH812
DIP switch view
NTB LED Color
Transparent Host mode
(shipping default)
Not lit
Transparent Target mode
Orange
Transparent Host mode
(long-cable tuning)
Not lit
Transparent Target mode
(long-cable tuning)
Orange
Table 1: PXH812 SW2 configuration settings
Actual settings depend on the functionality of the target device.
All other DIP switches should normally be left in the shipping default setting. More details on DIP switch settings can be
found on page 11 in this document.
DIP Switches
