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docs/interrupts/int-html/rb-2640.htm
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docs/interrupts/int-html/rb-2640.htm
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<HTML>
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<HEAD>
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<TITLE>Int 21/AX=2526h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 21/AX=2526h - Phar Lap 386/DOS-Extender - GET CONFIGURATION INFORMATION -
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AX = 2526h
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???
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Return: ???
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Notes: details are not yet available
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this function takes a pointer to the configuration buffer (see #01365)
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and a poitner to a BYTE as arguments
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Format of Phar Lap configuration buffer:
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Offset Size Description (Table 01365)
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00h DWORD flags 1 (see #01366)
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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 21/AX=2526h
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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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<a href="rb-2639.htm" tppabs="http://www.ctyme.com/intr/rb-2639.htm">
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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>Phar Lap 386/DOS-Extender - GET CONFIGURATION INFORMATION</font></h3>
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<PRE>
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AX = 2526h
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???<br>
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<p><b>Return:</b><br>???
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</PRE>
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<p><b>Notes:</b>
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Details are not yet available.
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This function takes a pointer to the configuration buffer <a href="rb-2640.htm#Table1365" tppabs="http://www.ctyme.com/intr/rb-2640.htm#Table1365">(see #01365)</a>
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and a poitner to a BYTE as arguments
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<PRE>
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<p>
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Format of Phar Lap configuration buffer:
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<a name=table1365></a>
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Offset Size Description (Table 01365)
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00h DWORD flags 1 <a href="rb-2640.htm#Table1366" tppabs="http://www.ctyme.com/intr/rb-2640.htm#Table1366">(see #01366)</a>
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04h DWORD flags 2 (unused through v5.0)
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08h DWORD flags 3 (unused through v5.0)
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0Ch DWORD 386|DOS-Extender major version
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10h DWORD 386|DOS-Extender minor version
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14h DWORD first letter of text after minor version number in version str
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18h DWORD beta flag (00h normal release, 01h beta release)
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1Ch DWORD processor (3 = 386, 4 = 486)
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20h DWORD coprocessor (4 = none, 6 = 287, 7 = 387/486)
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24h DWORD Weitek coprocessor flag (0 = none, 1 = present)
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28h DWORD machine type (0 = IBM PC compatible, 1 = NEC 9800 series)
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2Ch DWORD machine class
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<p><b>IBM:</b><br>Bus type (0=ISA, 1=MCA, 2=XT, 3=EISA)
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<p><b>NEC:</b><br>0=normal mode, 1=high-res mode
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30h DWORD VCPI flag (0 = none, 1 = present)
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34h DWORD -WEITEK/-1167 switch (0 = AUTO, 1 = ON, 2 = OFF)
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38h DWORD -MINREAL setting
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3Ch DWORD -MAXREAL setting
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40h DWORD -MINIBUF setting
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44h DWORD -MAXIBUF setting
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48h DWORD size in bytes of DOS call data buffer
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4Ch DWORD number of interrupt stacks (-NISTACK)
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50h DWORD interrupt stack size (-ISTKSIZE)
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54h DWORD -REALBREAK setting
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58h DWORD -CALLBUFS
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5Ch DWORD -HWIVEC
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60h DWORD -PRIVEC
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64h DWORD -INTMAP
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68h DWORD -PRIMAP
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<p><b>6Ch DWORD VCPI:</b><br>Master 8259 interrupt vector base (IRQ0 mapping)
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<p><b>70h DWORD VCPI:</b><br>Slave 8259 interrupt vector base (IRQ8 mapping)
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74h DWORD BIOS print screen interrupt vector (0 if NEC)
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78h DWORD -EXTLOW setting
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7Ch DWORD -EXTHIGH setting
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80h DWORD lowest physical extended-memory address allocatable
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84h DWORD highest physical extended-memory address allocatable + 1
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88h DWORD special memory's physical base address (00000000h if none)
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8Ch DWORD special memory size in bytes (00000000h if none)
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90h DWORD -MAXVCPIMEM setting
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94h DWORD -VSCAN
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98h DWORD -SWAPCHK (0 = OFF, 1 = ON, 2 = FORCE, 3 = MAX)
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9Ch DWORD -CODESIZE setting
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A0h DWORD minimum swap file size (-MINSWFSIZE)
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A4h DWORD maximum swap fiel size (-MAXSWFSIZE)
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A8h DWORD page replacement policy (0 = LFU, 1 = NUR)
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ACh DWORD number of GDT entries (-NGDTENT)
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B0h DWORD number of LDT entries (-NLDTENT)
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B4h DWORD program's privilege level (0-3)
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---386|DOS-Extender v3.0+ ---
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B8h DWORD -LOCKSTACK setting
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BCh DWORD -MAXEXTMEM
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C0h DWORD -MAXXMSMEM
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C4h DWORD -MAXPGMMEM
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C8h DWORD -DATATHRESHOLD
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CCh DWORD virtual memory manager flag (0 = not present, 1 = present)
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D0h DWORD Cyrix coprocessor flag (0 = no Cyrix EMC387, 1 = present)
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D4h DWORD -CYRIX setting (0 = AUTO, 1 = ON, 2 = OFF)
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D8h DWORD DPMI flag (0 = not present, 1 = present)
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DCh DWORD DPMI major version
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E0h DWORD DPMI minor version
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E4h DWORD DPMI capabilities flags <a href="rb-2640.htm#Table1367" tppabs="http://www.ctyme.com/intr/rb-2640.htm#Table1367">(see #01367)</a>
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E8h DWORD VCPI major version
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ECh DWORD VCPI minor version
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<p><b>F0h WORD VCPI:</b><br>IRQ0-7 physical base interrupt vector
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<p><b>F2h WORD VCPI:</b><br>IRQ8-15 physical base interrupt vector
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F4h DWORD XMS flag (0 = none, 1 = present)
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F8h DWORD XMS major version
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FCh DWORD XMS minor version
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100h WORD application's CS selector
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102h WORD application's DS selector
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104h WORD application's PSP selector
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106h WORD application's environment selector
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108h WORD selector mapping entire first megabyte
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10Ah WORD selector mapping text video memory
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10Ch WORD selector mapping video memory (text for IBM, graphics for NEC)
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10Eh WORD selector mapping Weitek address space, 0000h if not present
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110h WORD selector mapping Cyrix EMC387 address space, 0000h if none
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112h WORD reserved (0)
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114h DWORD real-mode FAR entry point to call to switch to protected mode
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with no saved context
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118h DWORD size of LDT in bytes
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---386|DOS-Extender v5.0+ ---
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11Ch DWORD Windows flag (0 = not present, 1 = Windows present)
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120h DWORD Windows major version
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124h DWORD Windows minor version
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128h DWORD Windows mode (0 = real/standard, 1 = enhanced)
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12Ch DWORD OS/2 flag (0 = not present, 1 = OS/2 present)
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130h DWORD OS/2 major version
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134h DWORD OS/2 minor version
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138h 50 DWORDs reserved (0)
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<p>
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Bitfields for flags 1:
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<a name=table1366></a>
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Bit(s) Description (Table 01366)
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0 -NOPAGE specified
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1 -A20 specified
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2 -VDISK specified
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3 -XT specified
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4 -AT specified
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5 -MCA specified
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6 -EISA specified
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7 -NORMRES specified (NEC only)
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8 -HIGHRES specified (NEC only)
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9 set if -SWFGROW1ST, clear if -NOSWFGROW1ST
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10 -NOVM specified
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11 -SAVEREGS specified
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12 unused (clear)
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13 -NOVCPI specified
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14 -NOMUL specified
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15 -NOBMCHK specified
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16 -NOSPCLMEM or -NOBIM
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17 -NOPGEXP specified
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18 -SWAPDEFDISK specified
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---v3.0+ ---
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19 -SAVEINTS specified
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20 -NOLOAD specified
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21 -PAGELOG specified
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22 -OPENDENY specified
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23 -ERRATA17 specified
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---v4.1+ ---
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24 -NESTDPMI specified
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25 -NONESTDPMI specified
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26 -NODPMI specified
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27 -NOPCDWEITEK specified
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---v4.2+ ---
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28 -WININT21 specified
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<p>
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Bitfields for DPMI capabilities flags:
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<a name=table1367></a>
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Bit(s) Description (Table 01367)
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0 paging supported
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1 physical device mapping
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2 conventional memory mapping
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3 exceptions restartable
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</PRE>
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<p>
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<b>Category: <a href="cat-009.htm" tppabs="http://www.ctyme.com/intr/cat-009.htm">
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DOS Extenders</a>
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- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
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Int 21h</a>
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- <a href="alpha-p.htm" tppabs="http://www.ctyme.com/intr/alpha-p.htm">
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P</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-2639.htm" tppabs="http://www.ctyme.com/intr/rb-2639.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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<tr align=center><td width="65">
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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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</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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<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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