In message <19990603231216.a36...@hal.mpn.cp.philips.com> Jos Backus writes: : On Thu, Jun 03, 1999 at 07:30:20PM +0200, Wilko Bulte wrote: : > 20 bits. But older cards can do no more than 64 kB. : : Indeed, 20 bits (=1 Mbyte) for the address, 16 bits for the transfer counter : (offset).
Isn't that 24 bits for addresses? You can dma from an ISA card to anywhere in the first 16M... Warner To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
