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SY-5SSM & SY-5SSM/5 Quick Start Guide
8
Hardware
Installation
Voltage Setting:
JP30
Processor Voltage
1-2 3-4 5-6 7-8 9-10
2.8 V
open
short
open open open
Intel P55C P166
Intel P55C P200
Intel P55C P233
The P55C (MMX) processors have the same voltage setting.
3.52 V
open
short short short short
IDT X86 CPU C6/2-225
IDT X86 CPU 2-266
IDT X86 CPU 2-300
The IDT X86 CPU C6/2 comes in several versions with different
voltages. Please ask your dealer for the correct voltage.
IDT X86 CPU C6/2-200
IDT X86 CPU 2-233
3.3 V
open
short short
open
short
Rise mP6 PR266 2.8 V
open
short
open open open
Step 3. Set JP32, SW1 for CPU Frequency
The DIP switch SW1 enable you to assign the Multiplier and Bus Clock, as shown in the
following table:
CPU Host Bus Setting: JP32
Frequency
Multiplier: SW1
Processor Bus Clock
Multi-
plier
1-2 3-4 5-6 7-8 1-2 3-4 5-6
AMD K5 PR100 66 MHz 1.5 x open
short short short
open open open
AMD K5 PR133 66 MHz 2.0 x open
short short short short
open open
AMD K5 PR166 66 MHz 2.5 x open
short short short short short
open
AMD K6 166 66 MHz 2.5 x open
short short short short short
open
AMD K6 200 66 MHz 3.0 x open
short short short
open
short
open
AMD K6 233 66 MHz 3.5 x open
short short short
open open open
AMD K6 266 66 MHz 4.0 x open
short short short short
open
short
AMD K6 300 66 MHz 4.5 x open
short short short short short short
AMD K6-2 266 66 MHz 4.0 x open
short short short short
open
short
AMD K6-2 300 66 MHz 4.5 x open
short short short short short short
AMD K6-2 300 100 MHz 3.0 x open open
short short
open
short
open
AMD K6-2 333 66MHz 5.0 x open
short short short
open
short short
AMD K6-2 333 95MHz 3.5 x open
short
open open open open open
AMD K6-2 350 100MHz 3.5 x open open
short short
open open open
AMD K6-2 366 66MHz 5.5 x open
short short short
open open
short
AMD K6-2 380 95MHz 4.0 x open
short
open open
short
open
short
AMD K6-2 400 100MHz 4.0 x open open
short short short
open
short
AMD K6-2 450 100MHz 4.5 x open open
short short short short short
AMD K6-2 475 95MHz 5.0 x open
short
open open open
short short
AMD K6-2 500 100MHz 5.0 x open open
short short
open
short short
AMD K6-2 550 100MHz 5.5 x open open
short short
open open
short
AMD K6-2+ 450 100MHz 4.5 x open open
short short short short short
AMD K6-III 400 100MHz 4.0 x open open
short short short
open
short
AMD K6-III 450 100MHz 4.5 x open open
short short short short short
Cyrix 6x86 PR166+ 66 MHz 2.0 x open
short short short short
open open
Cyrix 6x86 PR200+ 75 MHz 2.0 x open
short short
open
short
open open
Cyrix 6x86MX PR166 66 MHz 2.0 x open
short short short short
open open