
Chapter 5: Advanced Serverboard Setup
5-19
5-10 Jumper Settings
Explanation of Jumpers
To modify the operation of the
serverboard, jumpers can be used
to choose between optional settings.
Jumpers create shorts between two
pins to change the function of the con-
nector. Pin 1 is identifi ed with a square
solder pad on the printed circuit board.
See the serverboard layout pages for
jumper locations.
Note:
On a two-pin jumper, "Closed"
means the jumper is on both pins and
"Open" means the jumper is either on
only one pin or completely removed.
Connector
Pins
Jumper
Setting
3
2
1
3
2
1
Keylock
The keyboard lock connection is designated
JK1. Utilizing this header allows you to inhibit
any actions made on the keyboard, effectively
"locking" it.
Keylock
Pin Defi nitions (JK1)
Pin# Defi nition
1
Ground
2
Keylock R-N
Compact Flash Card PWR
Connector
A Compact Flash Card Power Con-
nector is located at JWF1. For the
Compact Flash Card to work properly,
you will need to enable with JCF1 and
connect a Compact Flash Card power
cable to JWF1 fi rst.
Compact Flash Card PWR
Connector (JWF1)
Jumper Defi nition
On
Compact Flash
Power On
Off
Compact Flash
Power Off
Содержание NovaScale R423
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