ZIDA

MANUAIS DE MOTHERBOARDS ZIDA

Jumper Settings for 5STX
CPU Speed Selection



FOR INTEL PENTIUM CPU

Internal
CPU
Speed
(MHz)		 External
Bus
Speed
(MHz)		 JP4 JP5 Frequency
Ratio		 JP11

JP12
75 50 [3-5],[4-6] [2-3]

2.5x

[3-5],[4-6]

[1-2]
90 60 [1-3],[4-6] [2-3]

1.5x

[1-3],[2-4]

[1-2]
100 66 [3-5],[2-4] [2-3] 1.5x [1-3],[2-4] [1-2]
120 60 [1-3],[4-6] [2-3] 2x [1-3],[4-6] [1-2]
133 66 [3-5],[2-4] [2-3] 2x [1-3],[4-6] [1-2]
150 60 [1-3],[4-6] [2-3] 2.5x [3-5],[4-6] [1-2]
166 66 [3-5],[2-4] [2-3] 2.5x [3-5],[4-6] [1-2]
200 66 [3-5],[2-4] [2-3] 3x [3-5],[2-4] [1-2]
233 66 [3-5],[2-4] [2-3] 3.5x [1-3],[2-4] [1-2]

FOR CYRIX / IBM 6X86 CPU

Internal
CPU
Speed
(MHz)		 External
Bus
Speed
(MHz)		 JP4 JP5 Frequency
Ratio		 JP11 JP12
PR133 55 [3-5],[4-6] [1-2] 2x [1-3],[4-6] [1-2]
PR166 66 [3-5],[2-4] [2-3] 2x [1-3],[4-6] [1-2]
PR200 75 [1-3],[4-6] [1-2] 2x [1-3],[4-6] [1-2]
PR233 66 [3-5],[2-4] [2-3] 3x [3-5],[2-4] [1-2]
PR233 75 [1-3],[4-6] [1-2] 2.5x [3-5],[4-6] [1-2]

FOR AMD K5 CPU

Internal
CPU
Speed
(MHz)		 External
Bus
Speed
(MHz)		 JP4 JP5 Frequency
Ratio		 JP11 JP12
PR90 60 [1-3],[4-6] [2-3] 1.5x [1-3],[2-4] [1-2]
PR100 66 [3-5],[2-4] [2-3] 1.5x [1-3],[2-4] [1-2]
PR133 66 [3-5],[2-4] [2-3] 1.5x [1-3],[2-4] [1-2]
PR150 60 [1-3],[4-6] [2-3] 1.75x [3-5],[4-6] [1-2]
PR166 66 [3-5],[2-4] [2-3] 1.75x [3-5],[4-6] [1-2]

FOR AMD K6 CPU

Internal
CPU
Speed
(MHz)		 External
Bus
Speed
(MHz)		 JP4 JP5 Frequency
Ratio		 JP11 JP12
PR166 66 [3-5],[2-4] [2-3] 2.5x [3-5],[4-6] [1-2]
PR200 66 [3-5],[2-4] [2-3] 3x [3-5],[2-4] [1-2]
PR233 66 [3-5],[2-4] [2-3] 3.5x [1-3],[2-4] [1-2]
PR266 66 [3-5],[2-4] [2-3] 4.0x [1-3],[4-6] [2-3]
PR300 66 [3-5],[2-4] [2-3] 4.5x [3-5],[4-6] [2-3]

CPU Voltage Selection

CPU Type Voltage Requirements
Intel Pentium
Cyrix/IBM 6x86
AMD K5		 3.4V(STD) / 3.5V(VRE)
Intel Pentium with MMX
Cyrix/IBM 6x86L		 2.8V
Cryix/IBM 6x86MX
AMD-K6-PR166, PR200		 2.9V
AMD-K6-PR233 3.2V
AMD-K6-PR266, PR300 2.2V

 

JP15 JP14 Voltage
[1-3],[4-6] [1-3],[2-4] 2.2V
[1-3],[2-4] [1-3],[4-6] 2.8V
[3-5],[2-4] [1-3],[4-6] 2.9V
[1-3],[2-4] [3-5],[4-6] 3.2V
[1-3],[4-6] [3-5],[4-6] 3.4V
[3-5],[4-6] [3-5],[4-6] 3.5V

CAUTION:

For MMX or other split power plane CPU, JP8 must be fully opened before turning on the system power. Failure to do so may cause damages to your CPU. For Non-MMX or Non split power plane CPU, JP8 must keep closed.

JP9 is used to hold the jumpers when JP8 is fully opened