67 lines
1.6 KiB
HTML
67 lines
1.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
|
|
|
|
<html>
|
|
|
|
<head>
|
|
<meta http-equiv="Content-Type"
|
|
content="text-html; charset=Windows-1252">
|
|
<title>INT 15,21 - Power On Self Test (POST) Error Log (PS/2
|
|
except 30)</title>
|
|
<meta name="FORMATTER" content="Microsoft FrontPage 2.0">
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<h1><a name="kap_interrupt_0830"></a>INT 15,21 - Power On Self
|
|
Test (POST) Error Log (PS/2 except 30)</h1>
|
|
|
|
<p> AH = 21h</p>
|
|
|
|
<p> AL = 00 read POST error log</p>
|
|
|
|
<p> = 01 write error code to POST error log</p>
|
|
|
|
<p> BH = Device code (if write)</p>
|
|
|
|
<p> BL = Device error (if write)</p>
|
|
|
|
<p> on return</p>
|
|
|
|
<p> CF = 0 if successful</p>
|
|
|
|
<p> = 1 if in error (AH contains code)</p>
|
|
|
|
<p> % if reading POST error log:</p>
|
|
|
|
<p> AH = 00h if successful</p>
|
|
|
|
<p> = 80h (PCjr and PC) = 86h for all other machines</p>
|
|
|
|
<p> BX = number of POST error codes stored</p>
|
|
|
|
<p> ES:DI pointer to POST error log</p>
|
|
|
|
<p> % if writing POST error log:</p>
|
|
|
|
<p> AH = 00h if successful = 01 POST error log full</p>
|
|
|
|
<p> = 80h (PCjr and PC) = 86h for all other machines</p>
|
|
|
|
<hr>
|
|
|
|
<table border="0" width="100%" cols="3">
|
|
<tr>
|
|
<td width="33%">Zurück zum <a href="inte1at0.htm">Interrupt
|
|
Info</a>. </td>
|
|
<td align="center" width="33%"><a
|
|
href="mailto:Roger.Morgan@htl-steyr.ac.at">Roger Morgan</a>
|
|
/ 1998 </td>
|
|
<td align="right" width="33%"><font size="1">L.Änderung <!--webbot
|
|
bot="Timestamp" s-type="EDITED" s-format="%d.%m.%y"
|
|
startspan -->29.03.99<!--webbot bot="Timestamp" endspan
|
|
i-checksum="13964" --> </font></td>
|
|
</tr>
|
|
</table>
|
|
</body>
|
|
</html>
|