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T E C H N I C A L I N F O R M A T I O N
Error handling
This gives acces to a further menu where internal processor errors
can be detected and displayed. These settings are intended for
maintainance engineers for fault diagnostic purposes only and should
not be changed.
BU
There are two settings, either enable or disable. This is used in
conjunction with the motherboard link to perform an upgrade to the
BIOS of the processor. This is recommended for authorised
engineers only.
ROM Shadowing
The contents of the Read Only Memory are copied into the faster
Random Access Memory during start-up, providing faster access and
enhancing system performance. Choosing this option displays a sub-
menu showing a split up table of the memory address range, with
the range sectioned into 32K blocks. Some areas are greyed out as
they are already in use by parts of the system.
PCI settings
A single setting to prefetch the readings for PCI Plug and Play can
be disabled if required. This may improve performance with some
operating systems, but can produce erratic or unpredictable results
with some software.
ISA Legacy Resources
When expanding your system with an ISA card this menu section is
used to 'register' the system resources that the card uses. This needs
to be done as the system cannot auto-detect their being in use, but
must be told about them so as to auto-configure any PCI Plug and
Play cards and avoid conflicts. There is a menu for each topic.
The resources affected are:
Memory, I/O port addresses, DMA channels, System interrupts.
Some areas are shown as Allocated by the system and are only for your
information. Finer detail is shown in the chapter dealing with
Expansion, which should be consulted in conjunction with the
information supplied with the expansion card being installed.
C/9

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   Also See for Mitsubishi Electric Apricot LS

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