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Philips P3238 - 286: Discrete graphics card not working

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First post, by PD2JK

Posted on 
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Dear Vogoners,

I'm having a hard time getting a WDC / Paradise WD90C31A-LR card working in my 286.

The card works fine in a Compaq Prolinea 575 so that's ruled out.

When the card installed, I get these beep codes:
1x long, 3x short (video error I guess)
1x long, 3x short (video error, again)
long, short, long, long, short, short (unknown)

I tried all the jumpers on the mainboard and also on the graphics card, but no avail.
Also tried several dip switch settings for the on-board VGA chip, but no cigar.
Am I missing a signal from the ISA bus needed for the card? Am I missing an oscillator on the card so the card will work on older systems?
Unfortunately I do not have another ISA VGA card laying around to check the ISA riser.

Thanks in advance! 😀

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i386 16 ⇒ i486 DX4 100 ⇒ Pentium MMX 200 ⇒ Athlon Orion 700 | TB 1000 ⇒ AthlonXP 1700+ ⇒ Opteron 165 ⇒ Dual Opteron 856

Reply 1 of 1, by PD2JK

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Update:

Jumper W54 seems to disable the onboard VGA. The Paradise / WD90C31A-LR is now working.

But a new problem arose. Maybe because of a lot of turning off and on, the keyboard controller is giving errors (error 17), and the three keyboard leds are emitting constantly.
For now I am trying a cmos reset; I cut the power to the (already depleted) Dallas.

i386 16 ⇒ i486 DX4 100 ⇒ Pentium MMX 200 ⇒ Athlon Orion 700 | TB 1000 ⇒ AthlonXP 1700+ ⇒ Opteron 165 ⇒ Dual Opteron 856

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