Path: utzoo!attcan!uunet!samsung!crackers!m2c!chansw!chan
From: chan@chansw.UUCP (Jerry H. Chan)
Newsgroups: comp.unix.sysv386
Subject: Floppy / dma / video problems?
Keywords: Tseng / Paradise / Floppy dma
Message-ID: <121@chansw.UUCP>
Date: 26 Oct 90 18:08:51 GMT
Organization: Chan SmartWare Computers, Worcester, MA
Lines: 17

Can anybody confirm a supposed problem where data on a floppy drive gets
"trounced" due to a DMA conflict w/16-bit video cards? I put in a call to
ISC where the file system on a floppy was getting corrupted (i.e., INSTALL
disk where directories were getting strange attributes w/negative sizes)?

According to ISC, I got a work-around of putting the card into 8-bit mode
or moving the card to a 8-bit slot; the reason for this anomaly was that
"there was some DMA conflict between the floppy controller and VGA card
which was corrected by moving the card to an 8-bit slot".  Can anybody
shed some light on this?  The problem has been noted particularly with
Paradise and Tseng-based chip sets (i.e., Orchid).

-- 
Jerry Chan 508-853-0747, Fax 508-853-2262  |"My views necessarily reflect the
Chan Smart!Ware Computer Services & Prods  | views of the Company because
Worcester, MA 01606                        | I *am* the Company." :-)
{bu.edu,husc6}!m2c!chansw!chan             \---------------------------------