On 25 Jul 2005, at 18:11, John Niven wrote:
Just came across this on ebay and wondered if anybody knew what it
was?
Is it some sort of cache ram? It doesn't appear to have any ports.
http://cgi.ebay.com/ws/eBayISAPI.dll?
ViewItem&item=5751488806&category=80075&ssPageName=WD1V&rd=1
No connection with seller, just wondering.....
The card is for Bus Mastering. This is the process of allowing 2 card
to communicate data across a data Bus (in this case the NuBus slots)
without the need to pass it via the CPU. It speeds up card to card
transfer and frees up CPU time. However, and this is worth noting
before you rush out and buy it, you need 2 card that are Bus
Mastering enabled to use it on NuBus I think.
PCI has this function integrated into the chipset, but NuBus did not,
so this card was designed to allow it to perform the operation.
John
BTW what happened to the LEM lists? It got very quite yesterday.
Quite a lot of people reported the LEM lists stopped dead for about a
day. I think Dan Knight has been doing housework. The LEM site has
had a BIG facelift since I last went there (admittedly about 4 months
ago!). Maybe Dan was clearing the mailboxes of spam etc. I know they
used to be pretty bunged up when I was a List Nanny and used to be
the root of some of the spurious warning messages people go. Dunno
I'm just guessing :o)
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