Atlas PCI-II Motherboard User’s Guide
6
Step 2 Configure CPU
Jumpers J2, J11, J12, J21, J24, J25, J37, J39, and J46
are used to select the CPU type. See the drawing on
page 4 for the jumper locations.
Important
Perform the following steps to configure the
motherboard before installing any CPU.
3.3V CPU Power
J21, J2, and J12 are six-pin bergs that select the 3.3V
CPU power source. You can provide 3.3V in three
different ways through three different power
sources:
•
regulator (default),
•
regulator and VRM, or
•
3.3V power supply.
From Regulator
Set J21, J2, and J12 as follows to configure
3.3V power from the regulator:
J21
Pin1
Pin6
2
3
4
5
J12
Pin1
Pin6
2
3
4
5
J2
Pin1
Pin6
2
3
4
5
Cont’d
Summary of Contents for Atlas PCI-II
Page 1: ...Atlas PCI II Pentium ISA Motherboard User s Guide MAN 727 4 30 96 ...
Page 10: ...Atlas PCI II Motherboard User s Guide 4 Atlas PCI II Motherboard Layout ...
Page 25: ...Chapter 1 Hardware Installation 19 Step 4 Install Motherboard Continued ...
Page 44: ...Atlas PCI II Motherboard User s Guide 38 ...
Page 88: ...Atlas PCI II Motherboard User s Guide 82 ...
Page 93: ...Chapter 2 WINBIOS Setup 87 ...