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First look at the card edge connector. A ISA card
will have tenth of an inch spacing and a PCI card will have half
that. A PCI connector uses smaller connector parts. Isa card
modems are usually hardware modems. This means they are complete
“little computers” You can send AT commands to them with a
terminal program and the modem will send back responses. A PCI
card is often a software modem. The hardware on the card is only
part of a modem, windows will detect it as a “PCI controller” or
a unknown . to get this to do anything you must install
software. Look at the chips on the modem for “lucent”. The
software for a lucent chip set will run on any modem with this
chip regardless who made the modem. See www.56k.com for more
info on finding a place to download the software, There are many
versions available. To install the software point the system to
the INF file in the software package. Some times windows will
find the inf file without your direct help. If not, use have
disk, browse, or update driver buttons. The INF file often
contains install procedures for several things. Windows will
present a list of the things the file can install . Choose one
that you think might work . May need to try several INF ‘s to
find the best one. |
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To install a ISA
card modem in the computer: There two types, Plug and Play and
switches/jumpers. Set the switches for com 3 and put the card in
the computer. Turn it on and go to the BIOS setup program and
disable com 1/serial A. This disables the 9 pin serial connector
on the back of the computer and frees up the IRQ 4 so com 3 can
use it. Then let windows boot and install com 3 if it is not
present in device manager. Control panel, add new hardware, NO-
select from list, ports. Then go to control panel, modems and
let windows try to detect the modem. Windows 95 came with many
INF files for 28800 and older hardware modems. As a last resort
you can install as a 2400 std modem and use hyperterminal to
send the Ati commands to the modem to find out more info on the
modem. Modem -diagnostics will also display the Ati responses
wen you click “more info”. Use these Ati responses to find the
proper drivers as described at modern help sites like 56k.com.
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| A Plug n Play ISA modem
will install on a com port’s resources and conflict . When
windows asks for a driver use browse to find the inf folder in
windows and choose “std 28800 modem”. The com port must be
disabled in device manager to resolve this conflict. Of course,
the IRQ must be freed up by disabling a ext com/serial port in
BIOS as well. If the PnP feature fails do a forced setting to
set the modem resources to IRQ 3 or 4. See the Help,
troubleshooting for details under IRQ conflicts. PnP appears to
be added to win95 as a after thought so it acts a bit strange.
After the forced setting windows will ask to restart. Click Yes.
Windows will restart with out a BIOS detect and send a signal to
the PnP card to set the IRQ. Go to control panel, modems,
diagnostics, more info to see the Ati responses. Use these to
find a driver on the Web. Install the driver by clicking update
driver in device manager. |
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