System Memory Frequency; System Bios Cacheable - ROHS ITX-i9453 User Manual

BIOS
DRAM RAS# Precharge
It sets the number of cycles required for the RAS to accumulate its charge
before the SDRAM refreshes.
Setting: 2, 3, 4, 5, 6, Auto (Default).
Precharge Delay (tRAS)
Setting: Auto (Default), 4 - 15.

System Memory Frequency

It allows you to set the frequency of the DRAM memory
Setting: Auto (Default), 533MHz, 667MHz.

System BIOS Cacheable

The setting of Enabled allows caching of the system BIOS ROM at F000h-
FFFFFh for better system performance. However, if any program writes to
this memory area, a system error may result.
Setting: Disabled, Enabled (Default).
Video BIOS Cacheable
The Setting Enabled allows caching of the video BIOS ROM at C0000h-
F7FFFh for better video performance. However, if any program writes to this
memory area, a system error may result.
Setting: Disabled (Default), Enabled.
PEG/Onchip VGA Control
Setting: Onchip VGA, PEG Port, Auto (Default).
PEG Force X1
Setting: Disabled (Default), Enabled.
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