Asus T4-M3N8200 - Manual (Page 75)

5-24 Chapter 5: BIOS setup
Hyper Transport Configuration
Hyper Transport Configuration
SB to K8(CPU) Freq Auto [Disabled]
SB to K8(CPU) Frequency [16 ↓16↑]
SB to K8(CPU) Freq Auto [Disabled]
Configuration options: [Disabled] [Enabled]
SB to K8(CPU) Frequency [16 16]
Allows you to select the SouthBridge to K8(CPU) link width.
Configuration options: [4 ↓4↑ ][8 ↓8↑ ] [16 ↓16↑ ]