Ultra 440BX ATX Mainboard
INSTALLATION
3-14
PWR-LED & KBLOCK:
Front Panel Power LED and Key-Lock Connector
1
Pin # Signal name
?
1
Pullup (+ 5V DC for Power LED)
?
2
No Connection
?
3
Ground
?
4
Keyboard Lock
?
5
Ground
5
3.4
JUMPERS
This section will discuss the jumper setting on the mainboard. In order to let you have
better idea of the jumper setting, please see below for the explanation of jumper settings
before you start this section.
open
1-2
1
2-3
1
1
1
1
short
,
,
The following jumpers which labeled with “optional” means they are the optional
choice for customers and the related components are normally not populated on the
mainboard. In order to make the mainboard works properly in your PC system,
please make sure all jumper settings are at correct before installing this mainboard.
A jumper is a set of two, three or more jumper pins which allows users to make different
system configuration by putting the plastic connector plug (mini-jumper) on it. The
jumper setting is necessary when installing different components onto the mainboard.
(A) JP1: Keyboard and PS/2 Mouse OnNow function selection
