United States | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
![]() |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maintenance &
Service Guide
|
CAUTION: When replacing the system board, ensure the dip switch voltage settings on the system board are correct for the computer model and processor voltage marked on the processor chip. If the system board dip switch voltage settings are not correct, damage may occur to the computer and/or system board. |
Dip Switch System Board Settings
Core Voltage |
S1-1 | S1-2 | S1-3 |
1.2V (Set as Default) |
On | Off | Off |
2.2V | Off | Off | On |
2.45V | Off | On | Off |
Core Voltage | S2-1 | S2-2 | S2-3 |
1.2V (Set as Default) |
On | Off | Off |
2.2V | Off | Off | On |
2.45V | Off | On | Off |
HCLK | S2-4 |
66.6 Mhz (Set as Default) | On |
66.0 Mhz | Off |
NOTE: | The black area on the dip switch indicates the position of the switch. |
FRACTION |
S1-4 |
S1-5 |
S1-6 |
2.0X (133MHZ) |
ON |
OFF |
OFF |
2.5X (166MHZ) |
ON |
ON |
OFF |
3.0X (200MHZ) |
OFF |
ON |
OFF |
3.5X (233MHZ) |
OFF |
OFF |
OFF |
4.0X (266MHZ) |
ON |
OFF |
ON |
4.5X (300MHZ) |
ON |
ON |
ON |
Back to Preparing the Computer for Disassembly
![]() |
![]() |
privacy and legal statement |