MSI M670 User Manual - Page 74

PCI Latency Timer, Legacy USB Support, Enabled, OnChip VGA Frame Buffer Size

Page 74 highlights

BIOS Setup PCI Latency Timer Value in units of PCI clocks for PCI device latency timer register. Legacy USB Support If you want to use USB device, such as mouse, keyboard, portable disk, in DOS system or boot your system by USB device, you should enable this function by selecting Enabled. OnChip VGA Frame Buffer Size This item allows you to adjust RAM size shared with VGA chip. The options are 16MB, 32MB, 64MB, 128MB, 256MB and Disabled. 4-8

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BIOS Setup
PCI Latency Timer
Value in units of PCI clocks for PCI device latency timer register.
Legacy USB Support
If you want to use USB device, such as mouse, keyboard, portable disk, in
DOS system or boot your system by USB device, you should enable this
function by selecting
Enabled
.
OnChip VGA Frame Buffer Size
This item allows you to adjust RAM size shared with VGA chip. The options
are 16MB, 32MB, 64MB, 128MB, 256MB and Disabled.