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- New information is inserted at the end.
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- Beta V0.25
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- Corrected problem introduced in 0.25 where many OS2 programs
- could not drop DTR.
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- Beta V0.26
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- If a set DCB IOCTL is issued, and if pending reads/writes exist,
- the suspended threads are restarted.
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- Previous versions always placed port addresses in BIOS memory at
- 40:0 (DOS sessions) for both COM1 and COM2. The port addresses
- starting at 40:0 are no longer filled in for COM1 and COM2 if SIO
- did not detect a port there or if the mouse is using the port.
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- I believe the problem of DOS sessions being put to sleep has been
- solved. V0.30 works well on my system with default DOS settings
- and default CONFIG.SYS entries as follows:
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- In the DOS settings
- IDLE_SECONDS = 0
- IDLE_SENSITIVITY = 75
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- In CONFIG.SYS
- MAXWAIT=3
- PRIORITY_DISK_IO=YES
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- Note that I said these default settings work well with V0.30 ON
- MY SYSTEM. The above settings may have to be changed on your
- system.
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- Beta V0.30
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- An error has been corrected in the code for DOS sessions dealing
- with the comm port addresses at 40:0.
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- Beta V0.31
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- Beta V0.31
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- Bit 6 of the virtual Line Status Register (LSR) was stuck on.
- This has been corrected and it probably caused some DOS programs
- problems.
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- After two days of testing why incorrect "COMn already in use"
- errors were occurring in DOS sessions, I traced the problem to
- the Novell Lan Drivers that I am using. It seems that the Novell
- OS2 requester drivers are using memory that is not allocated to
- them. I have worked around this problem successfully by making
- the Novell drivers the last thing in CONFIG.SYS.
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- Corrected a problem in the handling of DSR.
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- Corrected a problem that caused erroneous "COMn already in use"
- in OS2 sessions.
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- Added OSDR and IDSR modes or operation.
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- If SIO/VSIO seems not to transmit anything, where previous
- versions transmitted okay, then set your modem to force DSR ON
- or, set ODSR OFF with the MODE command.
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- If SIO/VSIO seems not to receive anything, where previous
- versions received okay, then set your modem to force DSR ON or,
- set IDSR OFF using the MODE command.
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- Support added for forcing 16550A chip type. (COM1,3F8,IRQ4,,F)
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- Corrected a serious problem with multiple comm ports sharing the
- same IRQ.
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- Beta V0.34
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