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-
- ****************** ADDENDUM ***********************
- 6/29/92
-
- 1. The device driver V1.5 provides a new transfer option,
- software interrupt transfer. The new transfer option uses
- the file name, MTMCDD.SYS. It needs a free IRQ channel, no
- DMA channel is required (see b. below).
-
- The SETUP program of V1.5 supplemental diskette can upgrade
- device drivers from versions 1.4 or earlier to version 1.5
- for both Internal drives (Model CRMC-LU series) and
- External drives (Model CRS-UF series). It provides the
- following transfer options:
-
- a. Software interrupt transfer: Uses the device driver
- filename MTMCDD.SYS, needs an unused IRQ channel (CH2,
- CH3 or CH5).
-
- b. DMA transfer: Uses the device driver filename
- MTMCDD.SYS, needs an unused DMA channel (CH1 or CH3) and
- an unused IRQ channel (CH2, CH3 or CH5).
-
- c. Software Polling transfer: Uses the device driver
- filename MTMCDS.SYS, needs an unused IRQ channel (CH2,
- CH3 or CH5).
-
- Because it provides better overall performance for the
- CD-ROM drive, we recommend either choosing the Software
- interrupt or the DMA transfer options.
-
- 2. The device driver V1.5 uses the same parameters as defined
- in earlier versions (V1.4 or earlier) except the parameters
- M and the parameter T.
-
- * The maximum number for M parameter is 32 for device
- driver MTMCDD.SYS V1.5 (19 for V1.4 or earlier), which
- allows you to assign more buffers for caching CD-ROM
- data.
- * The T parameter specifies the transfer approach as
- described below:
-
- a. For Software interrupt transfer, the syntax for the
- "device=" line in CONFIG.SYS file is follows:
- device=[drive:][path]MTMCDD.SYS /D:device_name
- [/M:nn][/I:n] [/P:nnn] [/T:s] [/A:n]
-
- b. For DMA transfer, the syntax for the "device=" line
- in CONFIG.SYS file is follows:
- device=[drive:][path]MTMCDD.SYS /D:device_name
- [/M:nn][/I:n] [/P:nnn] [/T:n] [/A:n]
-
- c. For Software polling transfer, the syntax for the
- "device=" line in CONFIG.SYS file is follows:
- device=[drive:][path]MTMCDS.SYS /D:device_name
- [/M:nn][/I:n] [/P:nnn] [/A:n]
-
-
- ********** CD-ROM DEVICE DRIVER UPDATE INSTRUCTIONS ************
- 6/29/92
-
- The following instructions are to update (or install) your CD-
- ROM device driver. Please keep the diskette with your manual
- for future reference.
-
- To provide you with the latest device driver, an updated
- version of the CD-ROM device driver, version 1.5, is included
- on the CD-ROM update diskette.
-
- 1. Insert Update diskette in floppy drive A or B and type
- SETUP, then press ENTER.
-
- 2. The Setup program will ask:
-
- Do You want to install MTMCDD.SYS? [Y or N]
-
- Note: We recommend choosing either the Software Interrupt
- transfer or the DMA transfer from device driver
- MTMCDD.SYS. These options provide better overall
- performance for your CD-ROM drive. In some computers,
- the DMA option is more efficient.
-
- If IRQ3 and DMA3 (default settings) are not available on
- your computer, then you must select alternative settings
- for these parameters. Be certain to configure the
- Interface Card to match the alternative settings chosen.
- If a DMA channel is not available on your computer,
- then you must choose a Software interrupt transfer
- option. We recommend the Software interrupt transfer
- option which you can choose from MTMCDD.SYS. You can
- also choose the Software polling transfer option from
- MTMCDS.SYS.
-
- Type Y to select the device driver MTMCDD.SYS for DMA
- transfer or Software interrupt transfer.
-
- Type N to select the device driver MTMCDS.SYS for software
- polling transfer.
-
- 3. If you select software polling transfer, the following
- prompt will appear.
-
- Do you want to install MTMCDS.SYS? [Y or N]
-
- Type Y and press ENTER.
-
- Note: If the Setup program finds the device driver in the
- directory that you installed already, it will ask:
-
- Do you want to overwrite it? [Y or N]
-
- Type Y and press ENTER to update the device driver.
- 4. The Setup program will prompt the following message:
-
- In which directory would you like MSCDEX.EXE installed?
- (Press ENTER for default)
- C:\BIN [default]
-
- The Setup program will try to search MSCDEX.EXE file either
- from the directory you specified or from the default
- directory.
-
- If the Setup program finds the MSCDEX.EXE file in the
- directory that you installed already, it will ask:
-
- Do you want to overwrite it? [Y or N]
-
- Type N and press ENTER, then proceed to step 6 to update
- the device driver.
-
- If the Setup program can not find the MSCDEX.EXE file in the
- directory you specified (default directory is C:\BIN), go
- to step 5 to install MSCDEX.EXE for the first time.
-
- 5. The Setup program will ask for the MSCDEX.EXE file which is
- on the original installation diskette (V1.4 or earlier).
- Remove the Update diskette from floppy drive A or B. Insert
- the original installation diskette (V1.4 or earlier) in the
- same floppy drive and press ENTER.
-
- The Setup program will copy the file MSCDEX.EXE from the
- older version diskette (V1.4 or earlier) to the directory
- you specified (default directory is C:\BIN).
-
- 6. Follow on-screen instructions.
-
- 7. Reboot your computer.