I used one of the BC620AT cards many years ago with a DOS system. All
we needed was time within a second so we used with a Bancomm-supplied
DOS driver (I think) that replaced the system clock with IRIG-B based
time instead of the PC clock. It may have come with a regular driver
but I can't remember.
You can get much newer PCI versions for around $100 on eBay unless
you're dead set on the ISA bus. The BC635 is the IRIG version and the
BC637 is the GPS version.
-Bob
On 05/12/2016 07:26 PM, Jason T wrote:
Hello Time-Nuts - I've ended up here by way of the ham radio,
electronics and classic computing hobbies, which I'd bet is a common
trail to follow for time-standard collectors. I don't have any exotic
equipment at the moment but I've run across GPS and rubidium-based
test equipment online and at hamfests without knowing much about them,
other than they looked cool and technical :)
Recently I came upon a Datum ISA card, the BC620at, along with the
627at kit, which is a Trimble "smart antenna" that attaches to the
card:
http://www.gigatest.net/datum/bc620at.pdf
Not that I need any more projects, but I may as well try to make it do
its thing; however I am lacking the necessary drivers for the ISA
card. I found (and imaged) the one disk that came with it but that
turned out to be the Windows (98, NT, 2000) SDK. I believe there
should be an MS-DOS driver as well.
Does anyone have or has anyone used one of these cards? Any advice,
in addition to tips on the driver/software, is much appreciated.
Thanks much
-j
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