Subject: Re: AlphaPC 164SX
To: Takao Shinohara <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 02/06/1998 17:59:58
On Fri, 06 Feb 98 11:02:18 +0900
Takao Shinohara <email@example.com> wrote:
Are there any other differences that you see? If this is it, I could write
up a patch, build a kernel, etc. Can someone test it?
(I'm assuming that it has an eb164 systype...)
Do you have electronic versions of the manuals?
> I think NetBSD/alpha 1.3 does not support AlphaPC 164SX, because 164SX
> has incompatible PCI/ISA bridge chip.
> According to "DIGITAL Semiconductor AlphaPC 164SX Motherboard Technical
> Reference Manual(EC-R57EA-TE)", 164SX has CY82C693U-NC for PCI/ISA
> Comparing 82378ZB and CY82C693U, I found that ELCRs are located on
> different I/O address.
> Chip ELCR location
> 82378ZB I/O 0x04d0, 0x04d1
> CY82C693U control register index 0x03, 0x04
> (accessed through I/O 0x22 and 0x23)
> Takao Shinohara
Jason R. Thorpe firstname.lastname@example.org
NASA Ames Research Center Home: +1 408 866 1912
NAS: M/S 258-5 Work: +1 650 604 0935
Moffett Field, CA 94035 Pager: +1 415 428 6939