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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