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SY-5SSM Quick Start Guide
8
Hardware
Installation
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
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
Cyrix 6x86MX PR200 66 MHz 2.5 x open
short short short short short
open
Cyrix 6x86MX PR200 75 MHz 2.0 x open
short short
open
short
open open
Cyrix 6x86MX PR233 75 MHz 2.5 x open
short short
open
short short
open
Cyrix 6x86MX PR266 83 MHz 2.5 x open
short
open
short short short
open
66 MHz 3.5 x open
short short short
open open open
Cyrix M II-300
75 MHz 3.0 x open
short short
open open
short
open
66 MHz 4.0 x open
short short short short
open
short
75 MHz 3.5 x open
short short
open open open open
83MHz 3.0 x open
short
open
short
open
short
open
Cyrix M II-333
100MHz 2.5 x open open
short short short short
open
Intel P54C P100 66 MHz 1.5 x open
short short short
open open open
Intel P54C P133 66 MHz 2.0 x open
short short short short
open open
Intel P54C P166 66 MHz 2.5 x open
short short short short short
open
Intel P54C P200 66 MHz 3.0 x open
short short short
open
short
open
Intel P55C P200 66 MHz 3.0 x open
short short short
open
short
open
Intel P55C P233 66 MHz 3.5 x open
short short short
open open open
IDT WinChip C6/W2-200 66 MHz 3.0 x open
short short short
open
short
open
IDT WinChip C6/W2-225 75 MHz 3.0 x open
short short
open open
short
open
This main board supports various CPU multiplier and host bus frequency settings.
Please select the proper frequency setting based on specifications of the CPU you have purchased. System
stability or components damage, in case of over-specification setting, is not guaranteed.