Compaq Armada m300 Compaq Armada M300 Series of Personal Computers Maintenance - Page 44

Table 2-16, Solving PC Card, Problems, Change the Hang-up Delay S Register

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Table 2-15 Continued Problem Possible Cause Solution Modem does not connect at highest speed. Line conditions in your area or in the area you are calling may not support the highest connect speeds. Have your telephone line checked by your local telephone service provider. Try dialing an alternate telephone number for the service you are using. Another device on your telephone line may be causing interference. Hang up an extension telephone and disconnect any other devices that may be using the same telephone line, then redial. The service or site called does not The standard internal modem support 56K or supports an supports the V.90 ITU Standard for incompatible 56K implementation. 56K modems with backward compatibility to K56flex. To find an Internet Service Provider (ISP) who supports V.90 or K56flex protocols, go to the Compaq Web site at www.compaq.com. There is noise on the telephone line. The 56K protocol of an internal modem will fall back to lower speeds if the telephone line is too noisy for a high-speed connection. Try using another telephone line. Change the Hang-up Delay S Register: 1. Select StartÆ Programs ÆAccessoriesÆ HyperTerminal. 2. Go to Command Mode, type ATS10=150, then press Enter. NOTE: This command causes the modem to take longer to disconnect even if there is no noise on the line. The telephone line does not support 56K implementation. The 56K protocol requires that the telephone line contain no more than one analog-to-digital conversion. Try connecting from an alternate site. Table 2-16 Solving PC Card Problems Problem Possible Cause Solution Computer does not beep when a PC Card is not inserted properly. PC Card is inserted. Try reinserting the card. Ensure that the PC Card is inserted in the correct orientation. Insert the card gently to prevent damage to the pins. Speakers are turned off or volume is turned down. PC Card or card driver is not PCMCIA compliant. Adjust the volume control on the computer. Check the list of PC Cards tested successfully in Compaq PC Card platforms. Continued Troubleshooting 2-21

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Troubleshooting
2-21
Table 2-15
Problem
Possible Cause
Solution
Modem does not connect at
highest speed.
Line conditions in your area or in
the area you are calling may not
support the highest
connect speeds.
Have your telephone line checked by
your local telephone service provider.
Try dialing an alternate telephone
number for the service you are using.
Another device on your telephone
line may be causing interference.
Hang up an extension telephone and
disconnect any other devices that may
be using the same telephone line,
then redial.
The service or site called does not
support 56K or supports an
incompatible 56K implementation.
The standard internal modem
supports the V.90 ITU Standard for
56K modems with backward
compatibility to K56flex. To find an
Internet Service Provider (ISP) who
supports V.90 or K56flex protocols, go
to the Compaq Web site at
www.compaq.com.
There is noise on the telephone
line.
The 56K protocol of an internal
modem will fall back to lower speeds
if the telephone line is too noisy for a
high-speed connection.
Try using another telephone line.
Change the Hang-up Delay S Register:
1.
Select Start
Æ
Programs
Æ
Accessories
Æ
HyperTerminal.
2.
Go to Command Mode, type
ATS10=150, then press
Enter
.
NOTE:
This command causes the
modem to take longer to disconnect
even if there is no noise on the line.
The telephone line does not
support 56K implementation.
The 56K protocol requires that the
telephone line contain no more than
one analog-to-digital conversion.
Try connecting from an alternate site.
Table 2-16
Solving PC Card
Problems
Problem
Possible Cause
Solution
Computer does not beep when a
PC Card is inserted.
PC Card is not inserted properly.
Try reinserting the card. Ensure that
the PC Card is inserted in the correct
orientation. Insert the card gently to
prevent damage to the pins.
Speakers are turned off or volume
is turned down.
Adjust the volume control on the
computer.
PC Card or card driver is not
PCMCIA compliant.
Check the list of PC Cards tested
successfully in Compaq PC Card
platforms.