ASUS Crosshair 4-21
CPU Multiplier [Auto]
Allows you to set the operating CPU multiplier. the conguration options may
vary depending on the type of CPU installed.
Conguration options:[Auto] [5x] [6x]~[25x]
Memory Clock Frequency [Auto]
Sets the memory clock frequency.
Conguration options: [Auto] [DDR2 400] [DDR2 533] [DDR2 667] [DDR2
800]
PCIEX16_1 / PCIEX16_2 Clock [Auto]PCIEX16_2 Clock [Auto]Clock [Auto]
Allows you to set the PCI Express clock.
Conguration options: [Auto] [100MHz] ~[200MHz]
CPU<->NB HT Speed [Auto]
Allows you to set the CPU to Northbridge HT Speed.
Conguration options: [Auto] [1xCPU Frequency] [2xCPU Frequency]
[3xCPU Frequency] [4xCPU Frequency] [5xCPU Frequency]
NB to SB HT Frequency [Auto]
Allows you to set the Northbridge to Southbridge HT frequency.
Conguration options: [Auto] [200MHz] ~ [400MHz]
NB-->SB HT Speed [5xNB to SB HT Frequency]
Allows you to set the Northbridge to Southbridge HT Speed.
Conguration options: [1xNB to SB HT Frequency] [2xNB to SB HT
Frequency] [3xNB to SB HT Frequency] [4xNB to SB HT Frequency] [5xNB
to SB HT Frequency]
SB-->NB HT Speed [5xSB to NB HT Frequency]
Allows you to set the Southbridge to Northbridge HT Speed.
Conguration options: [1xSB to NB HT Frequency] [2xSB to NB HT
Frequency] [3xSB to NB HT Frequency] [4xSB to NB HT Frequency] [5xSB to
NB HT Frequency]
CPU<->NB HT Width [↓16 ↑16]
Allows you to set the CPU to Northbridge HT width.
Conguration options: [↓8 ↑8] [↓16 ↑16]
NB<->SB HT Width [↓16 ↑16]
Allows you to set the Northbridge to Southbridge HT width.
Conguration options: [↓4 ↑4] [↓8 ↑8] [↓16 ↑16]
Setting a very high CPU frequency may cause the system to become unstable.
If this happens, revert to the default setting.