Determining Dc-To-Dc Status - HP Integrity rx4610 User Manual

Appendix A
Forcing a Firmware Update and Flashing Bootblock Write Enable
Jumper blocks J4E1 and J4E2 allow you force a firmware update and flash
bootblock write enable. By default, both these features are disabled.
J4E2 1
J4E1 1
A
Figure A-25. Firmware Update and Flash Bootblock Write Enable Jumpers
Jumper setting labeled:
A. No Firmware Update or Flash Bootblock Enable (Default Setting)
B. Flash Bootblock Enable
C. Force a Firmware Update
D. Force a Firmware Update and Flash Bootblock Enable
Configuring Brownout Protection
Jumper block J4D1 provides the ability to set the brownout protection for either
110 or 220 Volts. By default, 110 Volt protection is enabled.
1
J4A1
Figure A-26. Brownout Protection Jumpers
Jumper setting diagram labeled:
A. Low Line for 110 Volt Brownout Protection (Default Setting)
B. Low Line for 110 Volt Brownout Protection (Default Setting)
C. High Line for 220 Volt Brownout Protection

Determining DC-to-DC Status

Each DC-to-DC has an LED that indicates whether power is supplied to the DC-
to-DC and the health of the DC-to-DC. Table A-15 provides more detail on the
LEDs. The LEDs are located on the Sideplane board above the 5-Volt DC-to-DC
connector (J6B1).
228
J4E2 1 J4E2
J4E1 1 J4E1
B
1
J4A1
A B
Specifications
1 J4E2 1
1 J4E1 1
C D
1
J4A1
C