Computer Hardware User Manual

Chapter 1: Introduction
1-3
Motherboard Layout
Important Notes to the User
See Chapter 2 for detailed information on jumpers, I/O ports and JF1 front •
panel connections.
" " indicates the location of "Pin 1".
•
Jumpers not indicated are for testing only. •
JBMC1 is reserved for internal testing only. • Do not change the jumper setting
pre-set by the manufacturer.
When LE1 (Onboard Power LED Indicator) is on, system power is on. Unplug
•
the power cable before installing or removing any components.
LSI 1068E
NIC4 LED
JBMC1