Advantech PCA-6166, User Manual

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42 PCA-6166 User’s Manual
3.5.10 AGP Aperture Size (MB)
Memory-mapped, graphics data structures can reside in a graphics
aperture. The default setting is 64.
3.5.11 Memory Hole At 15M-16M
Enabling this feature reserves 15 MB to 16 MB memory address
space for ISA expansion cards that specifically require this
setting.This makes memory from 15 MB and up unavilable to the
system .Expansion cards can only access memory up to 16 MB. The
default setting is “Disabled”.
3.5.12 PCI Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support
delayed transactions cycles. Select Enabled to support compliance
with PCI specification version 2.1.