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Article #872Re: A couple of questions of NeXT's hardware (repost)
From: Pasi 'Albert' Ojala
Date: Wed, 14 Oct 1992 16:49
Date: Wed, 14 Oct 1992 16:49
34 lines
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2035 bytes
Due our news server disk crash I think the original message never get out of Finland, so here it comes again: This is a forwarded message from: Juha Tuominen I've got a 030 motherboard and a couple of questions came up: 1. What's the secret connector in the middle of 030 NeXT's mother board at the front (next to NeXTbus connector)? Somekind of test pins? I checked a 040 board as well, and there's couple more of those.. 2. What exactly happens, when power key is pressed on keyboard? Motherboard receives the signal through monitor connector (MON POWER PIN) and on the motherboard battery wakes power supplier up using PUP (power up) signal. That's clear this far, but will PUP remain active high until power is pressed again on the keyboard AND NeXT's operating system is happy about closing system? Or will PUP drop after PON (power on) is active high? I couldn't find precis explanation about this from any of the NeXT's hardware manuals. 3. Can I use 4 MB simms on 030 board? 4. Does NeXT's 2.88 meg floppy drive and 256 meg optical drive use same data cable? Is it possible to connect PC's 1.44 meg floppy to a NeXT by using the internal optical drive connector? Is there schematics available for that connector? (Pins etc.) What other storage options (floppy/optical) there's available for NeXT? Thanks in advance (reply using email, please). -Juha -- Pasi Ojala Why does my signature keep changing?? po87553@cs.tut.fi Am I doing something wrong?
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!news.funet.fi!news.cs.tut.fi!po87553 From: po87553@cs.tut.fi (Pasi 'Albert' Ojala) Newsgroups: comp.sys.next.hardware Subject: Re: A couple of questions of NeXT's hardware (repost) Date: 14 Oct 1992 16:49:00 GMT Organization: Tampere University of Technology Lines: 34 Distribution: world Message-ID: <1bhj1sINNsck@cs.tut.fi> References: <1bec1eINN8vf@cs.tut.fi> NNTP-Posting-Host: kaarne.cs.tut.fi Keywords: PUP keyboard hardware