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Article #867

Re: SUN IPX questions.

#867
From: Imran Peerbhai
Date: Sat, 18 Jul 1998 00:00
61 lines
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Craig Dewick (cdewick@lios.apana.org.au) wrote:
: In <35b0083b.0@oit.umass.edu> peerbhai@lessing.oit.umass.edu (Imran Peerbhai) writes:
: If you have a SCSI drive with a 50-pin connector, it will be electrically
: compatible. SCSI-1 and SCSI-2-narrow drives have regular 50 pin connectors,
: and SCSI-2-narrow drives are the most common type of SCSI drive currrently
: available.

Cool.  Does the IPX use a half height 5.25" scsi drive, a full size 5.25" 
scsi drive, a 3.5" scsi drive, a 2.5" scsi drive, or some esoteric size?

Does the internal drive need to be id'd to a certain number?  I've read 
that Sun likes 3 for it's internal drive, yet the PC world likes 0...
: 
: Just that it must support 512 byte blocks, especially if it's to be used a
: boot device.
: 
: >: > What about ethernet?
: >: 
: >: AUI connection. You need an external transceiver to go to 10Base-T or
: >: 10base-2
: 
: There is only one type of AUI ethernet connector that I'm aware of - a
: 15-pin 'D' connector. This is common to every hardware platform I've ever
: worked with (as well as Sun's).

Oh yeah, apple Computers use an esoteric AAUI connector.  It looks like a 
small, fat USB port.  I've seen them on 6100/7100/8100, 8500, 8600, G3-220's.

Maybe not in Australia, but here in the U.S, definately.

: 
: Not correct. The standard RAM for an IPX is 4 or 16 meg 72 pin single-bit
: parity RAM (33-bit). 36-bit RAM will apparently work, but I would presume
: that *all* the modules have to be full-parity - I don't think they can be a
: mixture of 33-bit and 36-bit.
: 
: >Thank you for the answers.  I still haven't seen anything yet about 
: >getting an ordinary SVGA monitor to work out on the wait.  But, wait long 
: >enough.... :-)
: 
: You might be able to use an SVGA monitor if you program down the video mode.
: I think the cg6 frame buffer will support 1024 x 768, but the vertical
: frequency might preclude SVGA monitors from working with IPX's.
: 
: Regards,
: 
: Craig.

My el cheap SVGA monitor can do 1280X1024X60hz ni.  (Mag dx 1595, hsync 
30-65, vsync 50-120.  If that hsync range went a little higher, I could 
do vesa 1280X1024X72Hz...  Oh well... I keep it in 800X600X80hz.  I like it.

Will that do suns defaul vidmode?  1192X968X66 hz?  I don't know the 
formula for converting vidmode to hsync/vsync ranges.

Thanks.

-- 
Imran H Peerbhai		
http://www-unix.oit.umass.edu/~peerbhai    
peerbhai@student.umass.edu	
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From: peerbhai@lessing.oit.umass.edu (Imran Peerbhai)
Subject: Re: SUN IPX questions.
Date: 1998/07/18
Message-ID: <35b136d3.0@oit.umass.edu>
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