Black Box KV3000 User Manual download pdf (Page 92)

CHAPTER 6: Troubleshooting

6.2.15 O

NE OR

ORE OF

OUR

CPU

ROBLEMS

XITING

INDOWS

If a CPU running Windows 3.x locks up or (if it’s also running EMM386

) displays

“EMM386 EXCEPTION ERROR #06” when you try to exit Windows, this is

probably what causes it: Windows tries to unload its mouse drivers and reinstate

any DOS drivers specified in AUTOEXEC.BAT and CONFIG.SYS. The ServSwitch

sees this as a reboot and sends a [CTRL] [M] to the CPU to set the mouse driver

for Microsoft mouse compatibility. If the CPU doesn’t actually load a mouse driver

in DOS, it will crash or at least display the EMM386 error when it receives the

[CTRL] [M]. Make sure all of your CPUs load mouse drivers in both operating-

system environments, even if you don’t use a mouse in DOS.

6.2.16 T

ERV

WITCH

OESN

’

ORK

ITH

OUR

OCKING

TATION

At the time of this writing, the ServSwitch does not support docking stations for

portable computers.

6.2.17 T

ERV

WITCH

OESN

’

ORK

ITH

OUR

ONGLE

-P

ROTECTED

OFTWARE

At the time of this writing, the ServSwitch does not support dongles (the devices

required to be inserted into the keyboard line by some software for copy protection).

6.2.18 T

ERV

WITCH

OESN

’

ORK

ITH

OUR

IBM T

HINK

At the time of this writing, the ServSwitch supports only “stream mode”

(continuous) mouse data. It doesn’t support the “prompt mode” (burst-on-

request) method for handling mouse data that the IBM ThinkPad uses, regardless

of whether the ThinkPad is connected to the Switch directly or through a docking

station (and see Section 6.2.16).

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Black Box KV3000 User Manual Page 92

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