ASRock X533 User Manual - Page 22

CPU Read DRAM Fast Ready, Read Around Write, CPU R/W DRAM OWS, PCI Delay Transaction, USB Controller

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Page 22 highlights

CPU Read DRAM Fast Ready The default is [Disabled]. Leave on the default value for better system stability. Read Around Write The default is [Disabled]. Leave on the default value for better system stability. CPU R/W DRAM OWS The default is [Disabled]. Leave on the default value for better system stability. PCI Delay Transaction Enable PCI Delay Transaction feature will free the PCI Bus when the CPU is accessing 8-bit ISA cards. Disable this feature when using ISA cards that are not PCI 2.1 compliant. USB Controller Use this to enable or disable the use of USB devices. USB Device Legacy Support Use this to enable or disable support to emulate legacy I/O devices such as mouse, keyboard,... etc. 22

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CPU Read DRAM Fast Ready
The default is [Disabled]. Leave on the default value for better system stability.
Read Around Write
The default is [Disabled]. Leave on the default value for better system stability.
CPU R/W DRAM OWS
The default is [Disabled]. Leave on the default value for better system stability.
PCI Delay Transaction
Enable PCI Delay Transaction feature will free the PCI Bus when the CPU is
accessing 8-bit ISA cards. Disable this feature when using ISA cards that
are not PCI 2.1 compliant.
USB Controller
Use this to enable or disable the use of USB devices.
USB Device Legacy Support
Use this to enable or disable support to emulate legacy I/O devices such as
mouse, keyboard,... etc.