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IN1201.FAX
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1994-12-12
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SYS1201 Error in 2.X 8/12/94
File:OSIN1201.fax 4/20/94
TITLE: SYS1201 BOOT ERROR DURING (OR AFTER) INSTALLATION OF OS/2
2.1
This fax will offer suggestions for resolving SYS1201 errors
during boot of OS/2 2.1. The information provided is for the
general availability release of OS/2 2.1.
PROBLEM: SYS1201 - VMOUSE NOT INSTALLED...
There appears to be a problem with the OS/2 2.1 installation
program if there is any MOUSE.* on the drive where OS/2 2.1 is
being installed. The symptom of this problem is the SYS1201 -
VMOUSE NOT INSTALLED error. While this is not the ONLY reason
for this error, the following steps should offer most users
relief of this problem.
1) Review the CONFIG.SYS file for OS/2 2.1 and verify that the
DEVICE= statement points to MOUSE.SYS in the x:\OS2
directory (where x: is the installed drive and is usually
'c:'). There has been one user who has reported that
MOUSE.COM was loaded in the CONFIG.SYS file instead of
MOUSE.SYS. This event HAS NEVER been duplicated in the IBM
labs. There should be no reference to MOUSE.COM in the
CONFIG.SYS file for OS/2 2.1.
2) Copy the MOUSE.SYS file from Program Diskette 1 (which is
the second disk in the install series) to the x:\OS2
directory (where x: is the installed drive and is usually
'c:'). Shutdown OS/2 2.1 and reboot the computer.
3) If the problem persists after following the preceding
instructions, you can "HOT PLUG" (unplug, wait and then
plug in) the mouse. If this fixes the problem and you
previously used the mouse under OS/2 2.0, you can try using
the MOUSE.SYS from OS/2 2.0. This is also located on
Program Diskette 1 of the install series of OS/2 2.0.
PROBLEM: SYS1201 - COM.SYS NOT INSTALLED... or IRQ NOT AVAILABLE.
1) If you only have one (1) serial port AND you have a MOUSE
plugged into the port, you will get this error. Edit the
CONFIG.SYS file and place a remark (REM) statement before
the "DEVICE=...\COM.SYS" and "DEVICE=...\VCOM.SYS" lines.
2) If you have a PS/2 or equivalent Microchannel Architecture
(MCA) computer, you should not pass ANY parameters to the
COM.SYS device driver. Only ISA and non-ABIOS computers
require parameters for serial ports greater than COM2:.
3) If you have an Industry Standard Architecture (ISA or AT)
computer, you will have to provide the CORRECT input/output
(I/O) address and Interrupt Request Level (IRQ) for serial
ports greater than COM2:. The parameters must match the
PHYSICAL settings of the serial adapter (s). You will have
to reference the documentation which should have come with
the serial adapter to determine how to PHYSICALLY change (or
"jumper") the adapter. If you have an internal modem and
Pg 2
have two external serial ports, we recommend that you try to
set the modem to I/O address "3e8" and IRQ 5. (NOTE: You
can only use IRQ 5 if you have only one (1) parallel port
(LPT1:). The format of the parameter line is:
DEVICE=...\COM.SYS (p,addr,irq)
For example, if you have PHYSICALLY configured your internal
modem to I/O address 3e8 (or COM3:) and have set the
PHYSICAL IRQ to level five (5), you would set the following
parameters:
DEVICE=x:\OS2\COM.SYS (3,3e8,5)
4) If you provide an invalid address or IRQ, you will get
messages that indicate that the "COMx" port was not
installed or that the IRQ is not available. You will have
to verify that the serial adapter (i.e. internal modem) is
configured correct
12/31/99