Advantech ARK-4170, User Manual, Page: 41 / 58

29 Chapter 4
Figure 4.4: Advanced Chipset features screen
4.5.1 DRAM Timing Selectable
This option refers to the method by which the DRAM timing is selected.
The default is By SPD.
4.5.2 Memory Hole At 15M-16M
In order to improve performance, certain space in memory can be
reserved for ISA cards. This memory must be mapped into the memory
space below 16MB.The choices are Enables and Disabled.
4.5.3 AGP Aperture Size (MB)
The field sets aperture size of the graphics. The aperture is a portion of
the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP
without any translation. The default setting is 64M.
4.5.4 On-Chip VGA
The default setting is Enabled.
4.5.5 On-Chip Frame Buffer Size
The default setting is 32MB. The options available include 1MB, 4MB,
8MB a
nd 16MB.
4.5.6 Panel Number
These fields allow you to select the LCD Panel type. The default values
for these ports are:
640 x 480 18bit SC