DMA enabled?

  • Thread starter Thread starter PCportinc
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PCportinc

Is the below advice good for a PI PC?
I have a 3.68gb hdd.

"You can enable DMA by
going to Device Manager under System Properties. Under
the list, find the drive you want to enable for DMA.
Right click on the item and hit Properties. Click the
Settings tab and check the DMA box. In order to work,
your BIOS must support DMA and you must have the right
bus mastering drivers installed. These drivers usually
come with a new motherboard or machine."

how do i know which bus mastering drivers I have or if BIOS
supports DMA?
 
Is the below advice good for a PI PC?
I have a 3.68gb hdd.

"You can enable DMA by
going to Device Manager under System Properties. Under
the list, find the drive you want to enable for DMA.
Right click on the item and hit Properties. Click the
Settings tab and check the DMA box. In order to work,
your BIOS must support DMA and you must have the right
bus mastering drivers installed. These drivers usually
come with a new motherboard or machine."

how do i know which bus mastering drivers I have or if BIOS
supports DMA?
Click to expand...

Just go ahead and enable it in device manager, and if there's a problem
after rebooting, disable it again.

You make no mention of systems specifics... "PI PC" is a little vague.
Mention of motherboard make/model/chipset, operating system, are useful
bits of info.
 
You can usually use the standard windows drivers, which are installed by default. Every motherboard made in the last five years supports DMA. If DMA is not supported by a device it will be grayed out.
 
You can usually use the standard windows drivers, which are
installed by default. Every motherboard made in the last five
years supports DMA. If DMA is not supported by a device it
will be grayed out.
Click to expand...

It reads a bit like you're assuming the system is newer than "P1" tends
to suggest, and also the OS... Win95 didn't include busmaster drivers for
most of the latter socket 7 chipsets. Also a device that won't support
DMA may not always cause the DMA box to be greyed out, at least not on
Win98 and older... don't know about Win2K and newer, I don't recall ever
trying a pre-DMA drive on Win2K or newer.
 
no idea.

make/model/chipset, operating system, are useful

sony vaio pcv-120 200mhz win98se.
Click to expand...


The motherboard driver either is or isn't included with Win98se (you
didn't provide chipset detail), but the odds are it is, unless a super 7
board, identifiable by an agp slot or 100MHz FSB capability.
 
PCportinc said:
no idea.

make/model/chipset, operating system, are useful

sony vaio pcv-120 200mhz win98se.
Click to expand...

..


This system uses an Intel AG430HX board. Windows 98SE includes support
for the 430HX chipset. The chipset will support DMA multiword 2 (16.7
MB/s). In Device Manager, enable it by putting a check mark in the DMA
box.
 
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