Subject: Re: AlphaPC 164SX
To: Takao Shinohara <shin@sm.sony.co.jp>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-alpha
Date: 02/06/1998 17:59:58
On Fri, 06 Feb 98 11:02:18 +0900
Takao Shinohara <shin@sm.sony.co.jp> 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
> bridge.
>
> 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 thorpej@nas.nasa.gov
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