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- Path: sparky!uunet!munnari.oz.au!metro!basser.cs.su.oz.au!tmx!asstdc!bart!fredmail
- From: trev@asstdc.oz.au (Trev Roydhouse)
- Newsgroups: comp.os.coherent
- Subject: Re: Coherent v4 SCSI and ST-506
- Message-ID: <725912068.AA09684@bart.asstdc.oz.au>
- Date: Fri, 01 Jan 1993 15:52:00 +1100
- Sender: fredmail@bart.asstdc.oz.au
- X-FTN-To: udo@umunk.GUN.de
- Lines: 18
-
- > From: udo@umunk.GUN.de (Udo Munk)
-
- > the Adaptec AH-1542 SCSI controller is the best one
- > available today for ISA bus systems. But be warned
- > this controller uses busmaster DMA and has problems
- > with some motherboards. The problem is that you are losing
- > characters on the serial lines when there is heavy disk
- > I/O. This problem does not occur only under COHERENT,
-
- ... under MS/PC-DOS too. However, the problem is easily solved by installing a
- replacement UART, the NS16550AFN in place of the 8250 or 16450. Of course, VLSI
- serial port chipsets preclude this option, although I hear there is a 16550
- VLSI chipset now.
-
- TREV.
- trev@asstdc.oz.au
-
-
-