Gigabyte 5AX User manual

R-52-02-091210
5AX
USER'S MANUAL
¯Support Intel Pentium, MMX, Cyrix/IBM, 6x86MX, MII, AMD K6, K6-2
K6-2+, K6-III , IDT Winchip 2, IDT Winchip 3, RISE MP6 CPUs.
¯Support 3 Steps ACPI LED.
¯Support ATA 66 , UDMA 33 Hard Drive .
¯Support Fully AGP 1.0 Specification.
¯Support switching mode Voltage regulator on Board (1.3V~3.5V) .
¯Support 66/75/83/95 MHz and 100MHz.
¯Support Modem Ring On (COM A,COM B).
¯Support Wake on Lan. (Your ATX power supply must support
larger than 720 mA 5V Stand-Bycurrent).
¯Support Keyboard Power ON/OFF function. ( Your ATX power
supply supports larger than 300 mA 5V Stand-By current)
(Dependent on the specification of keyboards).
¯Thermal Protection
Pentium

Processor PCI -ISA BUS MAINBOARD
REV. 5.2 Second Edition

5AX
1
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.
Dec. 10, 1999 Taipei, Taiwan

Quick Installation Guide
2
I. CPU Jumper Setting Table:
SW: CPU INT./ EXT. FREQ. RATIO O: ON X: OFF
SW 45678SW 45678
1.3V XXXXO2.5V OXOXX
1.4V XOXXO2.6V XOOXX
1.5V XXOXO2.7V OOOXX
1.6V XOOXO2.8V XXXOX
1.7V XXXOO2.9V OXXOX
1.8V XOXOO3.0V XOXOX
1.9V XXOOO3.1V OOXOX
2.0V XOOOO3.2V XXOOX
2.1V OXXXX3.3V OXOOX
2.2V XOXXX3.4V XOOOX
2.3V OOXXX3.5V OOOOX
2.4V XXOXX--- --- --- --- --- ---
CPU AGP JP7 JP8 JP9 JP10 CPU AGP JP7 JP8 JP9 JP10
66 66 2-32-32-31-2110 73 1-21-21-22-3
75 60 1-22-32-32-3115 77 1-22-31-21-2
75 75 2-31-22-31-2120 80 1-22-31-22-3
83 66 1-22-32-31-2125 83 2-31-21-21-2
95 63 1-21-22-32-3130 87 2-31-21-22-3
100 66 1-21-22-31-2135 90 2-32-31-21-2
105 70 1-21-21-21-2140 93 2-32-31-22-3
SW 123
X1.5 XXX
X2 OXX
X2.5 OOX
X3 XOX
X3.5 XXX
X4 OXO
X4.5 OOO
X5 XOO
X5.5 XXO
X6 OXX
«Note: We don’t recommend you to setup your system speed to105 , 110 , 115 ,

5AX
3
120 , 125 , 130 , 135 or 140 MHz because these frequencies are not the
standard specifications for CPU, Chipset and most of the peripherals.
Whether your system can run under 105, 110, 115,120, 125, 130, 135or 140
MHz properly will depend on your hardware configurations: CPU,SDRAM,
Cards, etc.

Quick Installation Guide
4
II. Quick Installation Guide:
O: ON X: OFF
CPU
SW 12345678JP7 JP8 JP9 JP1
0
1. Pentium
 133 MHz OXXOOOOX2-32-32-31-2
2. Pentium
 166 MHz OOXOOOOX2-32-32-31-2
3. Pentium
 200 MHz XOXOOOOX2-32-32-31-2
4. Intel MMX-166MHz OOXXXXOX2-32-32-31-2
5. Intel MMX-200MHz XOXXXXOX2-32-32-31-2
6. Intel MMX-233MHz XXXXXXOX2-32-32-31-2
7. AMD-K6/166 (2.9V) OOXOXXOX2-32-32-31-2
8. AMD-K6/200 (2.9V) XOXOXXOX2-32-32-31-2
9. AMD-K6/233 (3.2V) XXXXXOOX2-32-32-31-2
10.AMD-K6/233 (66*3.5 2.2V) XXXXOXXX2-32-32-31-2
11. AMD-K6/266 (66*4 2.2V)
AMD-K6-2/266 (66*4 2.2V) OXOXOXXX2-32-32-31-2
12. AMD-K6/300 (66*4.5 2.2V) OOOXOXXX2-32-32-31-2
13. AMD-K6/300 (100*3 2.2V)
AMD-K6-2
/300 (100*3
2.2V) XOXXOXXX1-21-22-31-2
14. AMD-K6-2/333 (66*5 2.2V) XOOXOXXX2-32-32-31-2
15. AMD-K6-
2/333 (95*3.5
2.2V) XXXXOXXX1-21-22-32-3
16. AMD-K6-
2/350 (100*3.5
2.2V) XXXXOXXX1-21-22-31-2
17.AMD-K6-
2/366 (66*5.5
2.2V)*XXOXOXXX2-32-32-31-2
18. AMD-K6-2/380 (95*4 2.2V)
OXOXOXXX1-21-22-32-3
19. AMD-K6-2/400 (100*4
2.2V) OXOXOXXX1-21-22-31-2
20. AMD-K6-2+/450 (100*4.5
2.2V)* OOOXOXXX1-21-22-31-2
21. AMD-K6-2/450 (100*4.5
2.2V) OOOXOXXX1-21-22-31-2
22. AMD-K6-2/450 (100*4.5
2.4V) OOOXXOXX1-21-22-31-2
23. AMD-K6-2/475 (95*5 2.2V)*XOOXOXXX1-21-22-32-3
24. AMD-K6-2/475 (95*5 2.4V)*XOOXXOXX1-21-22-32-3
25. AMD-K6-2/500 (100*5
2.2V)*XOOXOXXX1-21-22-31-2

5AX
5
26. AMD-K6-2/500 (100*5
2.4V)*XOOXXOXX1-21-22-31-2
27. AMD-K6-2/550
(100*5.5 2.2V)*XXOXOXXX1-21-22-31-2
28. AMD-K6-III/400 (100*4
2.2V) OXOXOXXX1-21-22-31-2
29. AMD-K6-III/400 (100*4
2.4V) OXOXXOXX1-21-22-31-2
30.AMD-K6-III/450
(100*4.5 2.2V)*OOOXOXXX1-21-22-31-2
31.AMD-K6-III/450
(100*4.5 2.4V)*OOOXXOXX1-21-22-31-2
32. AMD-K6-III/475 (95*5
2.2V)*XOOXOXXX1-21-22-32-3

Quick Installation Guide
6
CPU
SW 12345678JP7 JP8 JP9 JP1
0
33. AMD-K6-III/475 (95*5
2.4V)*XOOXXOXX1-21-22-32-3
34. AMD-K6-III/500 (100*5
2.2V)*XOOXOXXX1-21-22-31-2
35. AMD-K6-III/500 (100*5
2.4V)*XOOXXOXX1-21-22-31-2
36. AMD-K6-III/550
(100*5.5 2.2V)*XXOXOXXX1-21-22-31-2
37. Cyrix/IBM 6x86MX-PR166
(66*2 2.9V) OXXOXXOX2-32-32-31-2
38. Cyrix/IBM 6x86MX-PR200
(66*2.5 2.9V) OOXOXXOX2-32-32-31-2
39. Cyrix/IBM 6x86MX-PR200
(75*2 2.9V) OXXOXXOX1-22-32-32-3
40. Cyrix/IBM 6x86MX-PR233
(66*3 2.9V) XOXOXXOX2-32-32-31-2
41. Cyrix/IBM 6x86MX-PR233
(75*2.5 2.9V) OOXOXXOX1-22-32-32-3
42. Cyrix/IBM 6x86MX-PR233
(83*2 2.9V) OXXOXXOX1-22-32-31-2
43. Cyrix/IBM 6x86MX-PR266
(66*3.5 2.9V) XXXOXXOX2-32-32-31-2
44. Cyrix/IBM 6x86MX-PR266
(75*3 2.9V) XOXOXXOX1-22-32-32-3
45. Cyrix/IBM 6x86MX-PR266
(83*2.5 2.9V) OOXOXXOX1-22-32-31-2
46. Cyrix MII-300
(66*3.5 2.9V) XXXOXXOX2-32-32-31-2
47. Cyrix MII-PR333
(66*4 2.9V) OXOOXXOX2-32-32-31-2
48. Cyrix MII-PR333
(83*3 2.9V) XOXOXXOX1-22-32-31-2
49. Cyrix MII-PR333
(75*3.5 2.9V) XXXOXXOX1-22-32-32-3
50. Cyrix MII-PR366 *
(100*2.5 2.9V) OOXOXXOX1-21-22-31-2
51. Cyrix MII-PR400 *
(100*3 2.9V) XXXOXXOX1-21-22-31-2
52. IDT Winchip 2-200
(66*3 3.5V) XOXOOOOX2-32-32-31-2

5AX
7
53. IDT Winchip 2-200
(100*2 3.5V)*OXXOOOOX1-21-22-31-2
54. IDT Winchip 2-225
(75*3 3.5V) XOXOOOOX1-22-32-32-3

Quick Installation Guide
8
CPU
SW 12345678JP7 JP8 JP9 JP1
0
55. IDT Winchip 2-233
(66*3.5 3.5V)*XXXOOOOX2-32-32-31-2
56. IDT Winchip 2-233
(100*2.33 3.5V)*XOOOOOOX1-21-22-31-2
57. IDT Winchip 2-266
(66*4 3.5V) OXOOOOOX2-32-32-31-2
58. IDT Winchip 2-266
(100*2.66 3.5V)*XXOOOOOX1-21-22-31-2
59. IDT Winchip 2-300
(100*2.5 3.5V)*OOXOOOOX1-21-22-31-2
60. IDT Winchip 3-266
(100*2.33 2.8V)*XOOXXXOX1-21-22-31-2
61. RISE MP6-266
(100*2 2.8V)*OXXXXXOX1-21-22-31-2
¬Note: If Cyrix 6x86 is being used, please check the CPU Date Code after 605.
MThe default setting is 100*3 at 2.2V for AMD K6/300 and AMD K6-2/300
CPU
SW 12345678JP7 JP8 JP9 JP1
0
AMD-K6/300 (100*3 2.2V)
AMD-K6-
2/300 (100*3
2.2V) XOXXOXXX1-21-22-31-2
MThe settings of the processors marked with “*” above are just for your
reference, these processors have not been tested yet !

5AX
9
+The black part in the picture is the white extruding piece of the
DIP switch.
1. Pentium

133 MHz
CPU
JP5JP4
1
12345678
ON
11
sw
JP7
1
JP8
1
JP9
1
JP9
JP10
M1541
M1543C
JP8
JP7
1
5AX
JP10
1
2. Pentium

166MHz
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
0
3. Pentium

200 MHz
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
4 5 6 7 8
4. Intel MMX-166 MHz
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
1

Quick Installation Guide
10
5. Intel MMX-200 MHz
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
6. Intel MMX-233 MHz
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
7. AMD-K6/166 (2.9V)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
8. AMD-K6/200 (2.9V)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
4 5 6 7 8
9. AMD-K6/233 (3.2V)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

5AX
11
10. AMD-K6/233 (2.2V 66*3.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
11. AMD-K6/266 (2.2V 66*4); AMD-K6-2/266 (2.2V 66*4)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
112345678
12. AMD-K6/300 (2.2V 66*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
13. AMD-K6/300 (2.2V 100*3);AMD-K6-2/300 (2.2V 100*3)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
14. AMD-K6-2/333 (2.2V 66*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

Quick Installation Guide
12
15. AMD-K6-2/333 (2.2V 95*3.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
112345678
16. AMD-K6-2/350 (2.2V 100*3.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
17. AMD-K6-2/366 (2.2V 66*5.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
18. AMD-K6-2/380 (2.2V 95*4)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
19. AMD-K6-2/400 (2.2V 100*4);
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

5AX
13
20. AMD-K6-2+/450 (2.2V 100*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
21. AMD-K6-2/450 (2.2V 100*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
22. AMD-K6-2/450 (2.4V 100*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
23. AMD-K6-2/475 (2.2V 95*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
24. AMD-K6-2/475 (2.4V 95*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

Quick Installation Guide
14

5AX
15
25. AMD-K6-2/500 (2.2V 100*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
26. AMD-K6-2/500 (2.4V 100*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
27. AMD-K6-2/550 (2.2V 100*5.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
28. AMD-K6-III/400 (2.2V 100*4)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
29. AMD-K6-III/400 (2.4V 100*4)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

Quick Installation Guide
16
30. AMD-K6-III/450 (2.2V 100*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
31. AMD-K6-III/450 (2.4V 100*4.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
32. AMD-K6-III/475 (2.2V 95*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
33. AMD-K6-III/475 (2.4V 95*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
34. AMD-K6-III/500 (2.2V 100*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678

5AX
17
35. AMD-K6-III/500 (2.4V 100*5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
36. AMD-K6-III/550 (2.2V 100*5.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
37. Cyrix / IBM 6x86MX-PR166 (2.9V 66*2)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
12345678
38. Cyrix / IBM 6x86MX-PR200 (2.9V 66*2.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
39. Cyrix / IBM 6x86MX-PR200 (2.9V 75*2)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8

Quick Installation Guide
18
40. Cyrix / IBM 6x86MX-PR233 (2.9V 66*3)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
41. Cyrix / IBM 6x86MX-PR233 (2.9V 75*2.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
42. Cyrix / IBM 6x86MX-PR233 (2.9V 83*2)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8
43. Cyrix / IBM 6x86MX-PR266 (2.9V 66*3.5)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1 2
3
45678
44. Cyrix / IBM 6x86MX-PR266 (2.9V 75*3)
ON
sw
OFF
JP7
1
JP8
1
JP9
1
JP10
1
1
2
3
4
5
6
7
8