"Autocadster" wrote
> Hvad betyder "Memory Hole" i bios'en ?
Hukommelseshullet er til for at ældre hardware kan skrive til kendte hukom-
melses-adresser uden at andet i systemet anvender det:
http://www.techarp.com/showFreeBOG.aspx?lang=0&bogno=109
"Memory Hole At 15M-16M
Common Options : Enabled, Disabled
Quick Review
Certain ISA cards require exclusive access to the 1MB block of memory,
from the 15th to the 16th megabyte, to work properly. This BIOS feature
allows you to reserve that 1MB block of memory for such cards to use.
If you enable this feature, 1MB of memory (the 15th MB) will be reserved
exclusively for the ISA card's use. This effectively reduces the total
amount of memory available to the operating system by 1MB.
Please note that in certain motherboards, enabling this feature may
actually render all memory above the 15th MB unavailable to the operating
system! If you disable this feature, the 15th MB of RAM will not be
reserved for the ISA card's use. The full range of memory is therefore
available for the operating system to use. However, if your ISA card
requires the use of that memory area, it may then fail to work.
Since ISA cards are a thing of the past, it is highly recommended that you
disable this feature. Even if you have an ISA card that you absolutely
have to use, you may not actually need to enable this feature.
Most ISA cards do not need exclusive access to this memory area. Make sure
that your ISA card requires this memory area before enabling this feature.
You should use this BIOS feature only in a last-ditch attempt to get a
stubborn ISA card to work."