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Document ID: DSET-3FHA39 |
Aptiva - Installing MS-DOS on a PC-DOS System
Applicable to: United States
PC-DOS provides almost all of the commands and functions that the MS-DOS system provides, with a few exceptions. Likewise, PC-DOS provides several additional commands that MS-DOS does not. The operation of PC-DOS is very similar, if not exactly identical, to the MS-DOS system.
There are very few occasions where it is necessary to replace the PC-DOS system with MS-DOS. This may occur when you are learning or using MS-DOS on another system, such as the one you use at work, and you would like to be able to use the same commands and functions in both places. You also may have some specialized business software that requires MS-DOS because of the way the application was developed and dependencies on internal, and undocumented, interfaces in MS-DOS.
MS-DOS can be installed on a PC-DOS system, but you may encounter some problems or inconsistencies after booting up with MS-DOS. The items below will provide you with information on dealing with the more common problems.
1. The system does not start up correctly after the installation of MS-DOS. You may see messages such as "incorrect DOS version" or "bad command" during bootup. These messages must be tracked down, one at a time, to be corrected. One way to determine which commands are generating these messages is to press the F8 key as soon as you see the message "Starting MS-DOS..." on the screen during bootup. You can then step through each command to see which command produces the error message and correct the problem as necessary.
2. IBMBIO.COM and IBMDOS.SYS may still be present as hidden files in the root directory of the C: drive. You can delete these files with the following commands, entered at the DOS prompt:
CD \ <ENTER>
ATTRIB C:\IBMBIO.COM -S -H -R <ENTER>
ATTRIB C:\IBMDOS.COM -S -H -R <ENTER>
ERASE C:\IBMBIO.COM <ENTER>
ERASE C:\IBMDOS.COM <ENTER>
Reboot the system to verify that it is working correctly.
3. Certain Aptiva icons may not work as expected. If you use the icons or buttons in Custom Tools (AptivaWare), the PC-DOS versions of these programs will continue to be used. CPBACKUP and the IBM AntiVirus software should not have any problems working in MS-DOS. To run the MS-DOS versions of Backup and anti-virus checking, you will need to use the MS-DOS tools group that was created to select these programs.
4. Backups made with CPBACKUP cannot be restored with MSBACKUP. Since CPBACKUP will operate normally in MS-DOS, there is no need to use MSBACKUP. If you must use MSBACKUP, however, then you should do a complete backup of your system using MSBACKUP and keep your CPBACKUP diskettes in a safe place in the event that they are ever needed.
5. Information about the use of Aptiva tools will remain in the system and will not be replaced by anything in the MS-DOS installation. Be aware that there may be situations where the "help" or information files in the system refer to the former PC-DOS functions. You would then have to try locating similar functions in MS-DOS for specific help.
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Hint Category |
DOS/Windows 3.x, Software Installation/Configuration | |
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Date Created |
25-03-97 | |
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Last Updated |
25-01-99 | |
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Revision Date |
10-12-99 | |
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Brand |
IBM Aptiva | |
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Product Family |
Aptiva, PS/1 | |
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Machine Type |
2011, 2121, 2123, 2133, 2155, 2168, 2176, 2134 | |
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Model |
C01; C34; M01; NEA; T35; U35; A62; A82; A94; B82; C42; C92; G42; M82; S92; 081; 087; 131; 137; K37; N31; N81; 11E; 13T; 14C; 16E; 17A; 18A; 18T; 19C; 21C; 23C; 28A; 46M; 51D; D50; G11; G13; G43; G46; G46; G49; G49; G50; G53; M40; M40; M46; M46; P11; P13; P43; P50; P53; R04; R05; R06; R09; R38; R42; R43; R44; R84; R86; R87; RO3; S11; S13; S43; S45; S45; S47; S47; S48; S48; S50; S53; W11; W13; W42; W42; W43; W45; W45; W50; W53; 20E; 22T; 24C; 24M; 28V; 39E; 41T; 43C; 45V; 48E; 50T; 52C; 55V; 72E; 74T; 76C; 78C; 79C; 81A; 82E; 84T; 86C; 87C; CC1; D53; G14; G44; G52; G54; G72; G76; G78; G82; NM1; P14; P44; P57; P71; P74; P76; P78; P84; R14; R15; R16; R17; R18; R51; R52; R57; R58; R62; R63; R67; R71; R89; R93; R96; R97; S14; S44; S50; S54; S70; S75; S76; S78; S80; W14; W44; W48; W54; W67; W76; W77; W78; Z33; 28V; 31E; 33T; 37C; 38C; 51E; 54T; 56C; 57C; 88V; BB1; G57; G87; OR1; OR3; OR4; OR5; P89; R28; R29; R31; R74; R78; R82; R98; S55; S85; SR1; US1; W52; W82; 6R6; 6R7; C21; C32; 6R9; C31; C54; C5D; F31; 6R8; 7R1; 7R2; 7R3; 7R4; 7R5; 7R6; 7R7; 7R8; 7R9; 7RO; 8R1; 8R2; 8R3; 8RO; C23; C33; C35; C53; C55; C57; C5H; C65; C66; C67; C69; C73; C75; C77; C79; C7H; F23; F35; F57; F69; F79; 5R5; M91; 2R5; 2R7; 2R8; M30; M35; M50; 2R6; 4R7; 4R8; M40; M54; M58; 3R0; 3R8; M60; M70; 3R4; 3R6; 4R1; 4R9; M31; M51; M52; M63; 2R9; 3R1; 3R3; 3R5; 3R7; 3R9; 4R0; 4R2; 4R3; M41; M53; M55; M56; M57; M61; M62; M71; M72; 5R1; 6R3; A10; A12; A14; 5R2; 5R3; 5R6; 5R8; 5R9; 6R0; 6R4; 6R5; A15; A40; A44; A45; A50; A51; A52; A90; A92; A94; 1R2; 66P; 67P; 86P; OR8; 1R1; 1R3; 1R5; 22P; 24P; 25P; 27P; 29P; 63P; 67P; 82P; 83P; OR6; OR7; OR9; 1R0; 1R1; 26P; 62P; 2R0; P30; 2R3; S15 | |
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