Chapter 3 AMIBIOS and WINBIOS
16
Step 1 Set Jumpers,
Continued
The J30 Setting and CPU Types
J30 is a three-pin single inline berg that controls the voltage for 3.3V CPUs.
If...
then...
Using an Intel or AMD
3.3V CPU,
short Pins 1-2 of J30 to select 3.45V out. This
is the factory setting.
Using a Cyrix CPU,
short pins 2-3 to select 3.6V out.
Selecting a 5V CPU
Set the motherboard jumpers as follows for 5V CPUs. The Cyrix M7 (DX2) comes in either a 3.3V or 5V version.
mper
486DX,
AM486,
486DX2
Intel P24D
Intel P24T
Intel 486SX
Cyrix M7 5V
J1
OPEN
OPEN
OPEN
OPEN
OPEN
J2
Short Pins 2-3
Short Pins 2-3
Short Pins 2-3
Short Pins 2-3
Short Pins 2-3
J3
OPEN
Short Pins 1-2
Short Pins 1-2
OPEN
Short Pins 2-3
J6
OPEN
Short Pins 1-2
Short Pins 1-2
OPEN
Short Pins 1-2
J8
OPEN
Short Pins 2-3
OPEN
OPEN
Short Pins 1-2
J9
OPEN
OPEN
OPEN
OPEN
OPEN
10
Short Pins 1-2
and Pins 3-4
Short Pins 1-2
and 3-4.
Short Pins 1-2
and 3-4
Short 2-3
Short Pins 1-2
and 3-4
11
Short Pins 1-2
Short Pins 1-2
Short Pins 2-3
Short Pins 1-2
Short Pins 1-2
12
OPEN
OPEN
OPEN
OPEN
OPEN
13
OPEN
Short Pins 2-3
OPEN
OPEN
Short Pins 1-2
14
OPEN
Short Pins 1-2
and Pins 3-4.
Short Pins 3-4
OPEN
Short Pins 2-3
15
OPEN
Short Pins 1-2
OPEN
OPEN
Short Pins 2-3
J7
Short Pins 1-2,
3-4, and 5-6.
Short Pins 1-2,
3-4, and 5-6.
Short Pins 1-2,
3-4, and 5-6.
Short Pins 1-2,
3-4, and 5-6.
Short Pins
1-2, 3-4, and
5-6.
Important
If using a 5V CPU, leave J28 and J29 OPEN.
Summary of Contents for Super Voyager PCI-II
Page 1: ...American Megatrends Inc Super Voyager PCI II 486 ISA Motherboard User s Guide MAN 724 4 21 95...
Page 12: ...Super Voyager PCI II 486 ISA Motherboard User s Guide 9 2 Installation...
Page 14: ...Super Voyager PCI II 486 ISA Motherboard User s Guide 11 Motherboard Layout...
Page 59: ...56...
Page 61: ...Chapter 4 Flash Programming 58...