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Date: | Tue, 4 Apr 2000 08:59:56 PST |
From: | Peter Skye <pskye@peterskye.com > |
Reply-To: | scoug-help@scoug.com |
To: | scoug-help@scoug.com |
Subject: | SCOUG-Help: NIC driver appears to unload itself |
Content Type: text/plain
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I have several identical 10 Mbit Ethernet cards whose driver appears to
load but which does not show up in RMVIEW.
The card is an "AN16" which I don't recognize. The chip is a UMC
UM9008F (UMC is United Microelectronics Corporation, a large chip
manufacturer). UMC is an OEM house and has no consumer tech support for
its products.
The adapter initialization program works fine from real DOS and I set
the card for PORT 300 and IRQ 10. I powered down and back up and then
ran the initialization program a second time and confirmed that the card
was indeed set to 300 and 10.
The driver issues its load messages during bootup and does not issue an
error message. My best guess is that the driver is unloading itself
because it either can't find the card or can't determine the card's IRQ.
On OS/2 bootup I get these two message lines from the device driver:
NE2000-Compatible NDIS 2.0.1 Network Driver, Version:2.4
NE2000-Compatible Adapter I/O ADDR:0300h, IRQ 3.
Note the IRQ 3 in the second line. I took a look inside the AN16.OS2
device driver file and found these two lines were hard coded, i.e. this
OS/2 driver _always_ reports PORT 300 and IRQ 3 no matter how the card
is actually set up.
Neither the small pamphlet supplied with the card nor the card
initialization program indicates any IRQ restriction for OS/2.
The driver is dated July 6 1993. I purchased these cards new about
three years ago.
Before I reinitialize the card to IRQ 3, move COM2 (currently on IRQ 3)
to another IRQ, and try again, I'd like to know:
-- if anyone else has seen a NIC whose OS/2 driver would _only_ use one
IRQ, or if there's some "generic undocumented switch" I should use to
see if the driver will recognize IRQ 10.
-- if I'm looking at this problem incorrectly and should be trying
something else.
-- if I should trash these "AN16" cards and use the D-Link cards I have
on the shelf.
Thanks.
- Peter
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