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- CD-ROM Drivers for Acorn !PC486 system
- ======================================
-
- This driver will work with all CD-ROM drives (SCSI, IDE or Parallel
- interfaces). It does not yet support Photo-CD.
-
- Supplied is:
- A1CD/SYS (v1.1 1994.11.08), device driver, from Acorn
-
- A1CD/SYS is an MS-DOS device driver for MSCDEX.EXE; you should transfer it
- onto your DOS boot disk and put a line in CONFIG.SYS similar to this:
-
- DEVICE=A1CD.SYS /D:MSCD000
-
- You should also include the line
-
- MSCDEX /D:MSCD000
-
- in your AUTOEXEC.BAT file, to install the DOS CD-ROM extensions.
-
- NOTE: if you use !edit or other RISCOS editors to edit these DOS system files
- then you need to be very careful about line-end characters. RISCOS uses LF,
- DOS uses CR,LF. Adding a line with a RISCOS editor means that the CR is not
- present. This often is not a problem, but on the DEVICE=A1CD.sys line is _is_
- necessary, otherwise you will get an 'Invalid Option' error. The simplest way
- to ensure sucess is to use a DOS editor (eg EDIT supplied with MSDOS5 on, or
- E supplied with PCDOS). If using !Edit you can copy the CR (represented as
- [0d]) from another line. DO NOT just type in [0d] as this is not the same
- thing. Later versions of !Zap (1.15 on) recognise and deal with DOS files
- automatically
-
-
-
- Error Messages from A1CD.SYS
- ============================
-
- ERROR! Invalid line in CONFIG.SYS
-
- Means some of the text following "DEVICE=A1CD.SYS" is incorrect. Currently
- you may only have the phrase "/D:name" after this. 'name' is the name by
- which MSCDEX will know the device driver - it should be no more than 8
- characters long. If you do not have "/D:name" the name will default to
- 'MSCD000'.
-
- ERROR! Cannot find Aleph One BIOS services
-
- You are trying to run A1CD.SYS on a system which is not an Acorn or Aleph
- One PC card, e.g. a normal DOS system or the Acorn PC emulator. This error
- may also occur with very old (pre 0.79) version of the !PC application.
-
- ERROR! No CD-ROM drives working
-
- The !PC486 application has been unable to find any working CD-ROM drives.
- This may be because the drive is switched off, or the Acorn CD filing system
- and driver (CDFS) is not loaded, or you have not configured CDFSdrives
- correctly.
-
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