[Info-vax] IDE disks for Alphaserver DS10

[VAXman- at SendSpamHere.ORG]

In article <4e3a8ef8$0$23970$e4fe514c at news2.news.xs4all.nl>, MG <marcogbNO at SPAMxs4all.nl> writes:
>On 4-8-2011 10:12, Dennis Grevenstein wrote:
>> What's the largest IDE disk one can use in an Alphaserver
>> DS10? Some say it's close to 130GB, because of limitations
>> in the Ali IDE controller while other claim to have seen
>> larger disks in use.
>
>The largest disk in the GEIN:: node (of the "Deathrow" cluster),
>$3$DQB1: (DISK$GEIN_DATA), appears to be a ~120 GB Seagate(?) disk.
>
>GEIN:: is a DS10L though, not a DS10.  If the DS10L has the same
>or nearly the same on-board controllers (according to some searches
>on the internet, it also appears to be an ALi IDE/ATA controller),
>then it does seem like it may be so...

>From what I can assess from my DS10s and DS10Ls here, they are very much
the same in this respect.

If you want SCSI in the DS10L, you need to put in a PCI SCSI controller.
The DS10L, being a 1U high box, will accommodate ONLY one PCI card.  I've
put an NCR 53C810 SCSI based KZPxx into my DS10L.  It's also sporting two
512MB SIMMs for a grand total of 1GB.  This is the max you can stuff in a
DS10L with the cover on and the right-angle memory riser cards in use.  I
have gotten one to 2GB by leaving the cover off and installing the 512MB
directly into the SIMM slots.  FYI, neither the DS10s nor the DS10Ls will
accept the 1GB SIMMs that their larger bretheren -- DS20 and ES40 series
systems -- do, which is sad as I could have the DS10L running with 2GB.  
I have to fire up the DS20s or ES40s if I want vast amounts of physical
memory.

As for large IDE?  I have Maxtor 6Y160P0s installed in my DS10Ls.  These
are 160GB drives but have an initialized/mounted logical volume size of
137,438,952,960 or 137GB, which I do believe is the maximum for a DS10L.

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