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Conference giadev::decstation

Title:DECstation PC Conference
Notice:register note 2, see notes 3 & 4
Moderator:TARKIN::LININD
Created:Tue Jan 10 1989
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:7470
Total number of notes:34994

7366.0. "420sx Motherboard" by TNPUBS::MACDONALD () Thu Feb 27 1997 10:36

    I am looking for a diagram that describes the settings and functions of
        all the jumpers and dip switches on a Digital DECpc 420sx
    motherboard.
        Thanks.
T.RTitleUserPersonal
Name		DateLines
7366.1ZVOLMC::LE_THThu Feb 27 1997 16:1746
    re: <<< Note 7366.0 by TNPUBS::MACDONALD >>>
               -< 420sx Motherboard >-
    
    The Technical Reference Manual order number is ER-PC44Y-EE-001. 
    I can list the settings of the two switches on the board here for your
    reference:
    
    SW1 settings
    
    Switch(es)	Setting		Mode Description
    
    1,2		OFF, OFF	800 x 600 (2 -> 256 colors @56Hz)
    		OFF, ON		800 x 600 (2 -> 256 colors @60Hz)
    		ON,  OFF 	800 x 600 (2 -> 256 colors @72Hz)
    		ON,  ON		800 x 600 (2 -> 256 colors @56Hz) (Yes...)
    3,4		OFF, OFF	1024 x 768 (2->256 colors interlaced)
    		OFF, ON		1024 x 768 (2->256 @60Hz non-interlaced)
    		ON,  OFF        1024 x 768 (2->256 @70Hz non-interlaced)
    		ON,  ON         1024 x 768 (2->256 colors interlaced)
    5		OFF / ON	31.5 kHz / 40 kHz Standard modes
    6		ON  / OFF	512KB / 1024KB memory installed
    7,8		ON, OFF		Enable on-board video
    		OFF, ON		Disable on-board video
    
    
    SW2 settings
    
    Switch(es)	Setting		Description
    
    1,2		OFF, OFF	i486SX installed
    		ON,  OFF	reserved
    		OFF, ON         reserved
    		ON,  ON         reserved
    3,4 	not mentioned
    
    regards,
    
    /Thien
    521-3724
7366.2TNPUBS::MACDONALDMon Mar 03 1997 15:532
    
    Thanks.