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oldlinux-files/docs/interrupts/int-html/rb-0644.htm
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Int 13/AH=18h - Future Domain SCSI BIOS - GET SCSI CONTROLLER INFORMATION -
AH = 18h
DL = hard drive ID
Return: CF set on error
AH = status code (see #00234 at AH=01h)
CF clear if successful
AX = 4321h (magic number)
CX = controller family code (see #00249)
---if family code=0200h
DH = number of exclusively ROM-controlled SCSI devices
DL = canonical SCSI device number for specified drive
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<h2>Int 13/AH=18h
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<h3><font color=#C00040>Future Domain SCSI BIOS - GET SCSI CONTROLLER INFORMATION</font></h3>
<PRE>
AH = 18h
DL = hard drive ID<br>
<p><b>Return:</b><br>CF set on error
AH = status code <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00234 at AH=01h)
CF clear if successful
AX = 4321h (magic number)
CX = controller family code <a href="rb-0644.htm#Table249" tppabs="http://www.ctyme.com/intr/rb-0644.htm#Table249">(see #00249)</a>
---if family code=0200h
DH = number of exclusively ROM-controlled SCSI devices
DL = canonical SCSI device number for specified drive
---if family code <> 0200h
BH = number of exclusively ROM-controlled SCSI devices
BL = canonical SCSI device number for specified drive
</PRE>
<p><b>Notes:</b>
Also sets an internal flag (non-resettable) which prevents some
controller messages from being displayed, allows writes to
removable devices (use caution!), and enables the INT 13 interface
for more than one drive (i.e. DL >= 81h) in at least some ROM
versions.
The TMC-950 does not support any Future Domain BIOS calls; instead,
it provides a full CAM implementation (see INT 4F/AX=8100h)
<p><b>See Also:</b>
<a href="rb-0612.htm" tppabs="http://www.ctyme.com/intr/rb-0612.htm">AH=05h"SCSI"</a> - <a href="rb-0612.htm" tppabs="http://www.ctyme.com/intr/rb-0612.htm">AX=1700h"SCSI"</a> - <a href="rb-0612.htm" tppabs="http://www.ctyme.com/intr/rb-0612.htm">AH=1Bh"SCSI"</a> - <a href="rb-6300.htm" tppabs="http://www.ctyme.com/intr/rb-6300.htm">INT 4F/AX=8100h</a>
<PRE>
<p>
<a name=table249></a>
(Table 00249)
Values for Future Domain SCSI controller family code:
0200h TMC-1680/? (ROM 3.0)
0203h TMC-1650/1660/1670/1680 (ROM 2.0)
040Ah TMC-820/830/840/850/860/870/875/880/885 (ROM <= 6.0A)
050Dh TMC-840/841/880/881 (ROM 5.2D)
0700h TMC-830/850/860/875/885 (ROM 7.0)
</PRE>
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<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
Disk I/O Enhancements</a>
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Int 13h</a>
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