McKown, John wrote:
We are going to add two new FICON cards to out z890. If you look at the
cage, there appears to be I/O slots for them. However, when the CE went
into something on the SE to determine the PCHIDs for me, he said that it
indicated that there weren't any I/O slots. The z890 book that I have
consistantly states that the z890 has 8 STI interfaces. So there should
be a place to put the FICON cards. My question is: Does every z890
always have 8 STI interfaces, or should the z890 manual state "up to" 8
STI interfaces? BTW - the "I/O slots" that appear to be possibilities
are "domain 3" according to the manual referenced below.
Book: "2806 z890 Technical Introduction" SG24-6310
Thanks.
--
John McKown
Senior Systems Programmer
UICI Insurance Center
Information Technology
On page 6 of SG24-6310 is states:
"The z890 book supports up to 16 GB/sec of bandwidth for data
communication between I/O and memory through up to eight Self-Timed
Interconnect (STI) host buses."
On page 16:
"The logical book structure is show in the Figure 2-3 on page 17. There
are up to 8 STI buses to transfer data, and each STI has a bidirectional
bandwidth of 2.0 GB/sec."
It seems that there are 8 STI links, but that there are 0 STI
connections by default and you have to order cards in order to use them.
Check out page 38 and page 41 of SG24-6310.
On the announcement page:
http://www-306.ibm.com/common/ssi/fcgi-bin/ssialias?infotype=an&subtype=ca&appname=Demonstration&htmlfid=897/ENUS104-117
They talk about having 0 to 8 STI's in increments of 2.
It seems that there are 8 STI links, but that there are 0 STI
connections by default and you have to order cards in order to use them.
Check out page 38 and page 41 of SG24-6310.
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