[Suns-at-Home] Ultra 10 IDE

[Craig Dewick]

On Sun, 26 Aug 2007, Jarto Nieminen wrote:

> I have successfully made a PC Adaptec 2940UW work on a U5/10.

Sun actually recommended using a Symbios 8951 or 22801 card to add SCSI 
support to Ultra 5's and 10's, though I never tried it much. I actually 
have a bare Ultra-10 board sitting on rubber feet that I use occasionally 
with a bare power supply. One day I'll try to get SCSI working on it 
properly.

Pic of the set up is here:

http://www.sunshack.org/gallery2/main.php?g2_itemId=1585

The system board has an Elite-3D plugged in to give a video output since 
at the time the serial ports on my workstation was used for something 
else. 8-)

>> By far the easiest approach is to get a SCSI card with the Symbios/LSI
>> Logic 875 chipset - it's supported by the PROM, so you'll be able to boot
>> from it, etc. Any PCI card will do - OpenBoot contains support for the
>> chipset and the PC BIOS is ignored. I have one such card in my Ultra 10 and
>> it works like a charm with NetBSD.

The tricky part is setting up the device paths since it's NOT supported by 
the default device aliases in the OBP, but if that's sorted out it should 
use SCSI ok. I remember trying it with a SCSI CD-ROM once and manually 
entering the device path more than a handful of times is annoying. 8-)

Craig.

PS. I upgraded from ISDN to ADSL recently so the Sunshack site should be a 
lot better to access now. Give the albums a go at 
"http://www.sunshack.org/gallery2" and see how it goes. The web server 
(Cobalt raq-4i) is the bottleneck now since it's lacking RAM (got the max 
already).

-- 
Post by Craig Dewick (tm). Web @ "http://lios.apana.org.au/~cdewick".
Email 2 "cdewick@lios.apana.org.au". SunShack @ "http://www.sunshack.org"
Galleries @ "http://www.sunshack.org/gallery2". Also lots of tech data, etc.
Sun Microsystems webring at "http://n.webring.com/hub?ring=sunmicrosystemsu".