X-Authentication-Warning: delorie.com: mailnull set sender to djgpp-bounces using -f From: Martin Str|mberg Subject: Re: OT: Legacy Sound Blaster Settings Newsgroups: comp.os.msdos.djgpp References: <3CDC38B8 DOT 3060707 AT vif DOT com> User-Agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (NetBSD/1.5_BETA (alpha)) Message-ID: <1021122925.201909@queeg.ludd.luth.se> Cache-Post-Path: queeg.ludd.luth.se!unknown AT speedy DOT ludd DOT luth DOT se X-Cache: nntpcache 2.4.0b5 (see http://www.nntpcache.org/) Date: 11 May 2002 13:15:25 GMT Lines: 23 NNTP-Posting-Date: 11 May 2002 13:15:25 GMT NNTP-Posting-Host: queeg.ludd.luth.se X-Trace: 1021122925 news.luth.se 287 130.240.16.109 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Sahab Yazdani wrote: : I am wondering, what *common* settings can the original Sound Blaster : take. for instance, how many possible DMA values are there? : i know that IRQ can theoretically be any of the 16 on the computer, but : what about its BASE ADRESS, DMA, or HDMA (for SB16). If we are that theoretical, BASE ADDRESS == IO port -> 2^16 different ones. DMA -> 4. HDMA -> 4 (numbered from 4 to 7). Less theoretically some IRQ is used by the floppy, keyboard, hardware clock, etc.; IO ports are often used in ranges and a lot of them are used by the system, like the floppy and keyboard. Likewise for the DMA channels. E. g. one is used for cascading the HDMA ones, IIRC. For your problem I suggest you get hold of some manuals for the SB. In them they should discuss the various settings the SB is capable of, which is a lot less than the theorectical values discussed above. Right, MartinS