Автор: Jega , 29 января 2009
I whant to build my own POST card since I have a lot of expirience in making hand made electronic projects.
Most simple is to copy shematics from EPOX MOBOs who have built-in POST indicator. So, I took MOBO EP-8KTA3 and found very simple design:
Signal taken from EPROM DQ0-DQ7 is going on IN-s 2x GAL16V8 circuits.From they outputs signal is going to LED displays.
My questions are:
1) Where is Clock pin on GAL16V8 connected? I tracked it on MOBO, but it`s somewhere on south bridge.
2) From what connectors on PCI slot is taken signal to meke POST codes?

Is this kind of project can be made at all? Any expiriences?
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maco

17 лет 1 месяц назад

So, I took MOBO EP-8KTA3 and found very simple design
If i'm not wrong, then it mobo have internal ISA POST card :).
But design isn't very simple :). GAL16V8 - PAL (Programmable Array Logic). You must have file, that describes block connections in PAL.

If you want to build PCI POST card, then read this:
На сайте автора этого устройства - Владимира Мисячного хранится разводка (300 Кб) платы, выполненной на чипе Altera EPM3064-ATC100. В этом же файле находится и прошивка для указанного чипа.
This is simple PCI POST card.

Jega

17 лет 1 месяц назад

Thank you;-) There is a lot to read. I`ll need few weeks to buil it (considering my free time on work:).
Result will be replied...