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docs/interrupts/int-html/rb-6434.htm
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docs/interrupts/int-html/rb-6434.htm
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<HTML>
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<HEAD>
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<TITLE>Int 60
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 60 - TI Professional PC - SYSTEM ROM DATA AREA POINTER (NOT A VECTOR!) -
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Desc: the low word of this vector contains the segment of the RAM data area
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to be used by the system ROM at F400h:A000h, and the high word
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contains the length of the data area (see #03263)
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SeeAlso: INT 61TI Professional PC,INT 66TI Professional PC
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Format of TI Professional System ROM data area:
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Offset Size Description (Table 03263)
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00h BYTE port 00h shadow
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01h BYTE port 03h shadow
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02h BYTE port 04h shadow
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">
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<META NAME="robots" CONTENT="none">
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</HEAD>
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<BODY BGCOLOR="#FFD0A0">
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<center>
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<h2>Int 60
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</h2>
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</center><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>TI Professional PC - SYSTEM ROM DATA AREA POINTER (NOT A VECTOR!)</font></h3>
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<p><b>Desc:</b>
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The low word of this vector contains the segment of the RAM data area
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to be used by the system ROM at F400h:A000h, and the high word
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contains the length of the data area <a href="rb-6434.htm#Table3263" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3263">(see #03263)</a>
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<p><b>See Also:</b>
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<a href="rb-6694.htm" tppabs="http://www.ctyme.com/intr/rb-6694.htm">INT 61"TI Professional PC"</a> - <a href="rb-7302.htm" tppabs="http://www.ctyme.com/intr/rb-7302.htm">INT 66"TI Professional PC"</a>
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<PRE>
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<p>
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Format of TI Professional System ROM data area:
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<a name=table3263></a>
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Offset Size Description (Table 03263)
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00h BYTE port 00h shadow
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01h BYTE port 03h shadow
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02h BYTE port 04h shadow
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03h WORD system configuration word <a href="rb-6434.htm#Table3266" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3266">(see #03266)</a>
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05h BYTE 25ms count
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06h WORD offset of timing event 1 (0008h)
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08h WORD (event 1) offset of timing event 2 (0010h)
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0Ah BYTE (event 1) unused (FFh)
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0Bh BYTE (event 1) active flag (bit 7 set if on)
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0Ch WORD (event 1) count-down until end of event
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0Eh WORD (event 1) event routine (in segment F400h) to call at timeout
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10h WORD (event 2) offset of timing event 3 (0018h)
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12h BYTE (event 2) unused (FFh)
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13h BYTE (event 2) active flag (bit 7 set if on)
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14h WORD (event 2) count-down until end of event
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16h WORD (event 2) event routine (in segment F400h) to call at timeout
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18h WORD (event 3) offset of timing event 3 (0020h)
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1Ah BYTE (event 3) unused (FFh)
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1Bh BYTE (event 3) active flag (bit 7 set if on)
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1Ch WORD (event 3) count-down until end of event
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1Eh WORD (event 3) event routine (in segment F400h) to call at timeout
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20h WORD (event 4) 0000h - last event
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22h BYTE (event 4) unused (FFh)
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23h BYTE (event 4) active flag (bit 7 set if on)
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24h WORD (event 4) count-down until end of event
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26h WORD (event 4) event routine (in segment F400h) to call at timeout
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28h WORD offset of start of text display within segment DE00h
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2Ah WORD end of display
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2Ch WORD current absolute cursor position
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2Eh WORD start of current character row
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30h WORD current cursor column
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32h WORD cursor type and size <a href="rb-6434.htm#Table3264" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3264">(see #03264)</a>
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34h WORD start of protected status region on screen (0000h = none)
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36h BYTE pop flag used by some ROM routines
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00h pop registers before return
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<p><b>nonzero:</b><br>Do not pop
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37h BYTE unused (FFh)
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38h BYTE PAUSE flag
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00h off
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FFh on
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<p><b>39h BYTE temp:</b><br>Current attribute while moving characters on screen
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3Ah WORD start of keyboard queue (next key at start+2 or 0042h if 0060h)
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3Ch WORD end of keyboard queue (next key inserted at end+2 or 0042h)
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3Eh BYTE number of characters in buffer
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3Fh BYTE keyboard mode flags <a href="rb-6434.htm#Table3265" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3265">(see #03265)</a>
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40h BYTE Alt-digit-digit-digit accumulator
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41h BYTE Alt-digit-digit-digit count of digits (mod 3)
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42h 16 WORDs keyboard buffer (circular queue)
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<p><b>62h 8 DWORDs Drive Interface Table pointers for floppies A:-D:</b><br>+ four others
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(0000h:0000h if pointer not in use)
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82h BYTE disk-error retry count (incremented on each disk error)
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83h 2 BYTEs BIOS scratch space
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85h 8 BYTEs current cylinder number for drives 0-7
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FFh = unknown
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8Dh BYTE BIOS scratch space
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8Eh BYTE hard error code for last disk access
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00h operation successful
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8Fh 8 BYTEs save area for disk DSR parameters
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97h 6 BYTEs current drive status
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9Dh BYTE retry error status
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9Eh BYTE BIOS scratch space
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9Fh 7 BYTEs ???
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A6h 2 WORDs INT 47 save area for SS,SP
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AAh 2 WORDs INT 46 save area for SS,SP
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AEh 2 WORDs INT 43 save area for SS,SP
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B2h 2 WORDs save area for SS,SP to be restored by common intr. exit routine
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B6h 24 WORDs stack for INT 47
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E6h 24 WORDs stack for INT 46
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116h 17 WORDs stack for INT 43
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13Ah 6 BYTEs system date and time (hundredths, seconds, minutes, hours, and
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WORD days since 01jan1980)
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</PRE>
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<p><b>Note:</b>
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Timing event 1 is the disk I/O timeout, event 2 is the floppy disk
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motor timeout, event 3 is the floppy disk motor spin-up time, and
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event 4 is used to turn off the speaker after a delay
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<PRE>
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<p>
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Bitfields for TI Professional PC cursor size and type:
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<a name=table3264></a>
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Bit(s) Description (Table 03264)
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15 reserved (0)
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14-13 cursor type.
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00 nonblinking.
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01 off.
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10 slow blink.
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11 fast blink
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12-8 starting scan line (0-11)
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7-5 reserved (0)
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4-0 ending scan line (0-11)
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</PRE>
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<p><b>See Also:</b>
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#03263
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<PRE>
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<p>
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Bitfields for TI Professional PC keyboard mode flags:
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<a name=table3265></a>
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Bit(s) Description (Table 03265)
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7 CapsLock was ON at last keypress
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6-4 reserved (0)
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3 repeat key
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2 Shift was down at last keypress
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1 Alt was down at last keypress
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0 Ctrl was down at last keypress
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</PRE>
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<p><b>See Also:</b>
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#03263
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<PRE>
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<p>
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Bitfields for TI Professional System Configuration Word:
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<a name=table3266></a>
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Bit(s) Description (Table 03266)
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<p><b>0 drive A:</b><br>Installed
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<p><b>1 drive B:</b><br>Installed
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<p><b>2 drive C:</b><br>Installed
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<p><b>3 drive D:</b><br>Installed
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<p><b>4 drive A:</b><br>Is 80-track
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<p><b>5 drive A:</b><br>Is double-sided
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6 60-Hz (USA,etc.) system instead of 50-Hz (Europe)
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7 hard disk installed
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8 serial port 1 installed
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9 serial port 2 installed
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10 serial port 3 installed
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11 serial port 4 installed
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14-12 installed graphics planes.
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000 none.
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001 plane A.
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111 planes A, B, and C
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15 clock installed
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</PRE>
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<p><b>See Also:</b>
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#03263
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<p>
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<b>Category: <a href="cat-044.htm" tppabs="http://www.ctyme.com/intr/cat-044.htm">
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Vendor-specific BIOS Extensions</a>
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- <a href="int-60.htm" tppabs="http://www.ctyme.com/intr/int-60.htm">
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Int 60h</a>
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- <a href="alpha-t.htm" tppabs="http://www.ctyme.com/intr/alpha-t.htm">
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T</a>
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</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<a href="rb-6433.htm" tppabs="http://www.ctyme.com/intr/rb-6433.htm">
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<!-- Bottom Link Start -->
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<center>
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<p><table border=1 bgcolor="#ffff99"><tr><td>
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<table border=0 height=80>
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</td><td width="90">
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<center>
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||||
<FORM ACTION="https://secure.paypal.com/cgi-bin/webscr" tppabs="https://secure.paypal.com/cgi-bin/webscr" METHOD="POST" traget="_blank">
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||||
<INPUT TYPE="hidden" NAME="cmd" VALUE="_xclick">
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||||
<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
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<INPUT TYPE="hidden" NAME="return" VALUE="http://www.perkel.com">
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||||
<INPUT TYPE="hidden" NAME="item_name" VALUE="Donation To Support this Site">
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<INPUT TYPE="hidden" NAME="no_intl" VALUE="1">
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<INPUT TYPE="image" SRC="x-click-but7.gif" tppabs="http://images.paypal.com/images/x-click-but7.gif" vspace=9
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||||
NAME="submit" ALT="Make payments with PayPal - it's fast, free and secure!">
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</FORM>
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border=3 height=60 width=468></a>
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<p>
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<!-- Ad End --->
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</center>
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||||
<FORM ACTION="http://service.bfast.com/bfast/click" target="_blank">
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||||
<INPUT TYPE="hidden" NAME="siteid" VALUE="30472466" >
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||||
<INPUT TYPE="hidden" NAME="bfpage" VALUE="horizontal">
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||||
<INPUT TYPE="hidden" NAME="bfmid" VALUE="27253343" >
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<INPUT TYPE="hidden" NAME="num" VALUE="30">
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<table bgcolor=white border=0>
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<tr><td>
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<IMG SRC="serve-bfmid=27253343&siteid=30472466&bfpage=horizontal.gif" tppabs="http://service.bfast.com/bfast/serve?bfmid=27253343&siteid=30472466&bfpage=horizontal" BORDER="0" WIDTH="1" HEIGHT="1" align=right NOSAVE >
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||||
<center><b>Search the web with Google</b></center>
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||||
</td></tr><tr><td>
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||||
<TABLE cellpadding=0 cellspacing=5 bgcolor="#FFFFFF">
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||||
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr><tr><td>
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||||
<IMG SRC="affiliate_logo.gif" tppabs="http://www.google.com/affiliates/affiliate_logo.gif" border="0" ALT="Google" align="center">
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||||
<INPUT TYPE=text name=q size=30 maxlength=255 value="">
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||||
<INPUT type=submit name=sa VALUE="Go">
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||||
</td></tr>
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||||
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr></TABLE>
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||||
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</FORM>
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