Figure 8-2 Motherboard Jumpers (Default Settings) - Digital Equipment 3300R Service Manual

Figure 8-2 Motherboard Jumpers (Default Settings)

Jumper Name
J16 Fan fail
override
J22 Remote
management
console (RMC)
J27 VGA Enable
J50 Flash ROM
VPP Enable
J51 SCSI
Termination
Description
Allows the fan failure
detection logic to be
disabled to accommodate
alternative enclosures.
Sets default values to the
RMC NVRAM.
When enabled (as shown
in Figure A-1), the on-
board VGA logic is
activated.
Permits the 12V voltage
needed to update the
flash ROMs.
Allows the internal SCSI
terminator to be disabled.
Default Jumper Settings
Default Setting
This jumper is not
installed on DIGITAL
Server 3300/3300R
systems.
Disabled (as shown in
Figure A-1).
Enabled for onboard
VGA; Disabled if an
EISA- or PCI-based VGA
option is installed.
Jumper installed
(enabled).
Enabled (as shown in
Figure A-1.)
DIGITAL Server 3300/3300R 8–3