MXH930 User’s Guide –
Dolphin Interconnect Solutions
Page 9
Operation
Configuration and DIP Switches
The MXH930 has one bank of 8 DIP switches. The default factory setting for the MXH930 is x16 NTB link connection suitable for a
two-node configuration or connection to the MXS824 switch.
The MXH930 has DIP switches for setting special modes or operations, the meaning of each DIP switch depends on the loaded
firmware. Please carefully read the documentation shipping with the card before modifying any DIP switch settings. Please pay
close attention to ON and OFF positions written on the DIP switch.
DIP Switch Bank
–
Configuration
Figure 2: DIP Switch shows the DIP switch for the MXH930. It is used to configure the adapter
card. Please leave all undocumented DIP switches in the default position. Table 3: DIP Switch
settings shows all the various DIP switch NTB settings for the MXH930.
DIP no.
Name
Description
ON
OFF
Default
1-5
OPT1-5
Configuration selector, details
below
Opt4: ON
6
OPT6
CMI Disable
Will disable the CMI
interface.
CMI will be used if a PCIe
4.0 cable is detected
OFF
7
URES
Holds the management processors
in reset
Board management is
held in reset
Normal operation
OFF
8
SAFE
Enables the card to boot if the
EEPROM has been corrupted
Safe EEPROM
Normal operation
OFF
Table 3: DIP Switch settings
Note: DIP switch configuration options may be changed in the future versions. Please always consult the latest user
guide for details. The table above is valid for firmware version 1.0.
DIP switch Settings
NOTE: The cards are initially shipped with default firmware version 1.0 to support a single x4, x8, or x16 NTB link between two
MXH930 cards. Please contact Dolphin to receive a firmware update to support other NTB configurations.
DIP Switch settings for MXH930
MXH930 DIP settings DIP switch view
–
256MB BAR
32GB BAR Option
A
ll systems may not support this.
1 x16 port
Opt 4 set
(Shipping Default)
(Opt 1 and 4 set)
Figure 2: DIP Switch
