GA-5AX
5AX
USER'S MANUAL
¯ Support Intel Pentium, MMX, Cyrix/IBM 6x86MX, M2, AMD K5, K6,
K6-2 & IDT C6 CPUs.
¯ Support auto detect CPU Voltage.
¯ Support Parity check or Ecc Function.
¯ Support Fully AGP 1.0 Specification.
¯ Support switching mode Voltage regulator on Board.
¯ Support 66/75/83 MHz and 100MHz are optional.
¯ Support Modem Ring On (COM B).
¯ Support Wake on Lan
than 600 mA)
¯ Thermal Protection
Pentium
.
Processor PCI - ISA BUS MAINBOARD
REV. 1.0 Second Edition
(The ATX power supply supports larger
Release Date 98.07.21
R-10-02-080721
5AX
The author assumes no responsibility for any errors or omissions which may
appear in this document nor does it make a commitment to update the information
contained herein.
¯THIRD-PARTY BRANDS AND NAMES ARE THE PROPERTY OF THEIR
RESPECTIVE OWNERS.
JULY 21, 1998 Taipei, Taiwan
1
Quick Installation Guide
I. CPU Jumper Setting Table:
SW: CPU INT./ EXT. FREQ. RATIO
t
SW 4 5 6 7
O ON AUTO X X X O
X OFF 2.0 V X X X X
2.1 V X X O X
2.2 V X O X X
2.3 V X O O X
2.4 V O X X X
SW 2 3 8 2.5 V O X O X
x 1.5 X X X 2.6 V O O X X
x 2 O X X 2.7 V O O O X
x 2.5 O O X 2.8 V X X X O
x 3 X O X 2.9 V X X O O
x 3.5 X X X 3.0 V X O X O
x 4 O X O 3.1 V X O O O
x 4.5 O O O 3.2 V O X X O
x 5 X O O 3.3 V O X O O
x 5.5 X X O 3.4 V O O X O
3.5 V O O O O
MHz SW1 SW4
66 X
2-3
75 X 1-2
83 O 2-3
100 O 1-2
2
5AX
II. Quick Installation Guide:
CPU
1. Pentium
2. Pentium
3. Pentium
4. Pentium
Processor 100 MHz
Processor 133 MHz
Processor 166 MHz
Processor 200 MHz
5. Intel MMX-166MHz
6. Intel MMX-200MHz
7. Intel MMX-233MHz
8. P54CT-166 MHz
9. P54CTB-166 MHz
10. P54CTB-200 MHz
11. AMDK5-PR133
12. AMDK5-PR166
13. AMD-K6/166 (2.9V)
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 JP4
OFF OFF OFF OFF OFF OFF ON OFF 2-3
OFF ON OFF OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF OFF ON OFF 2-3
OFF OFF ON OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF OFF ON OFF 2-3
OFF OFF ON OFF OFF OFF ON OFF 2-3
OFF OFF OFF OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF OFF ON OFF 2-3
OFF OFF ON OFF OFF OFF ON OFF 2-3
OFF ON OFF OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF OFF ON OFF 2-3
OFF ON ON OFF OFF ON ON OFF 2-3
14. AMD-K6/200 (2.9V)
15. AMD-K6/233 (3.2V)
16. AMD-K6/266 (66*4 2.2V)
AMD-K6-2/266 (66*4 2.2V)
17. AMD-K6/266 (100*2.5
2.2V)
18. AMD-K6/300 (66*4.5 2.2V)
OFF OFF ON OFF OFF ON ON OFF 2-3
OFF OFF OFF ON OFF OFF ON OFF 2-3
OFF ON OFF OFF ON OFF OFF ON 2-3
ON ON ON OFF ON OFF OFF OFF 1-2
OFF ON ON OFF ON OFF OFF ON 2-3
3
Quick Installation Guide
19. AMD-K6/300 (100*3 2.2V)
AMD-K6-2/300 (100*3
2.2V)
CPU
20. Cyrix/IBM 6x86-150MHzPR200+ (75*2)
21. Cyrix/IBM 6x86L-PR166+
(2.8V)
22. Cyrix/IBM 6x86MX-PR200+
(75*2 2.9V)
23. Cyrix/IBM 6x86MX-PR166
(66*2 2.9V)
24. Cyrix/IBM 6x86MX-PR200
(66*2.5 2.9V)
25. Cyrix/IBM 6x86MX-PR200
(75*2 2.9V)
26. Cyrix/IBM 6x86MX-PR233
(66*3 2.9V)
27. Cyrix/IBM 6x86MX-PR233
(75*2.5 2.9V)
28. Cyrix/IBM 6x86MX-PR233
(83*2 2.9V)
29. Cyrix/IBM 6x86MX-PR266
(66*3.5 2.9V)
30. Cyrix/IBM 6x86MX-PR266
(75*3 2.9V)
31. Cyrix/IBM 6x86MX-PR266
(83*2.5 2.9V)
32. Cyrix M2-PR300
(66*3.5 2.9V)
33. IDT C6-200 (66*3 3.52V)
34. IDT C6-225 (75*3 3.52V)
35. IDT C6-266 (66*4 3.52V)
ON OFF ON OFF ON OFF OFF OFF 1-2
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 JP4
OFF ON OFF OFF OFF OFF ON OFF 1-2
OFF ON OFF OFF OFF OFF ON OFF 2-3
OFF ON OFF OFF OFF ON ON OFF 1-2
OFF ON OFF OFF OFF ON ON OFF 2-3
OFF ON ON OFF OFF ON ON OFF 2-3
OFF ON OFF OFF OFF ON ON OFF
OFF OFF ON OFF OFF ON ON OFF 2-3
OFF ON ON OFF OFF ON ON OFF 1-2
ON ON OFF OFF OFF ON ON OFF 2-3
OFF OFF OFF OFF OFF ON ON OFF 2-3
OFF OFF ON OFF OFF ON ON OFF 1-2
ON ON ON OFF OFF ON ON OFF 2-3
OFF OFF OFF OFF OFF ON ON OFF 1-2
OFF OFF ON OFF OFF OFF ON OFF 2-3
OFF OFF ON OFF OFF OFF ON OFF 1-2
OFF ON OFF OFF OFF OFF ON ON 2-3
1-2
4
5AX
JP8
1234567
8
ON
sw
sw
sw
¬
Note: If Cyrix 6x86 is being used, please check the CPU Date Code after 605.
1. Pentium Processor 100 MHz
1
1
JP4
1 1
JP5JP4
2. Pentium Processor 133 MHz
1ON
OFF
1 2 3 4 5 6 7 8
JP4
3. Pentium Processor 166 MHz
ON
OFF
1 2 3 4 5 6 7 8
1
JP4
1 1
1 1
JP7JP6
0
CPU
1
JP10
1
1
JP4
S1
4. Pentium Processor 200 MHz
5
Quick Installation Guide
sw
ON
OFF
1 2 3 4 5 6 7 8
1
JP4
6
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