Atlas PCI-II Motherboard User’s Guide
8
Step 2 Configure CPU,
Continued
Select CPU Voltage
The Atlas PCI-II motherboard supports
Intel Pentium CPUs that adhere to either the
standard or VRE voltage specifications. J11 is a
three-pin berg that selects the CPU voltage.
J11 Pins 1-2 Shorted
Standard CPU Voltage
J11 Pins 2-3 Shorted
VRE CPU Voltage
Important
If you are not sure about the voltage specification for the
CPU that will be installed in this motherboard, please call
Intel and make sure that you set J11 correctly. Selecting
the wrong voltage may damage the CPU.
Select CPU Speed
J24, J25, J39, and J37 are two-pin bergs that
together set the CPU speed.
CPU Speed
J25
J24
J39
J37
75 MHz
Shorted
Shorted
OPEN
OPEN
90 MHz
OPEN
Shorted
OPEN
OPEN
100 MHz
Shorted
OPEN
OPEN
OPEN
120 MHz
OPEN
Shorted
Shorted
OPEN
133 MHz
Shorted
OPEN
Shorted
OPEN
150 MHz
OPEN
Shorted
Shorted
Shorted
166 MHz
Shorted
OPEN
Shorted
Shorted
200 MHz
Shorted
OPEN
OPEN
Shorted
Important
Please contact American Megatrends technical support at
770-246-8645 to support a CPU running at a higher speed.
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 ...