Port ia | 29 Mar 20:39 2014

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Redcross Westcoat | 28 Mar 11:19 2014


 take their fill of love

Marvin Boucher | 16 Mar 01:02 2014

sürgosen, lépjen kapcsolatba velem

Gratulál a nap Önnek, legyen szíves szeretnék néhány nagyon fontos információt megosztani
nektek valamit most fedezem fel. Képviselem egy pénzintézet Amszterdamban, és épp most fedezem
fel a ragasztott számlát, amely kapcsolódik a család, és egy késoi távoli rokona, a tiéd is tartoztak.

Lépjen kapcsolatba velem azonnal, hogy tudjuk megvitatni.
Várja a választ

Mr. Marvin Boucher

Dr. Zuliu Hu | 11 Mar 16:15 2014

Business Vorschlag

Lieber Freund 

Ich bin Dr. Zuliu Hu. Independent Non-Executive Director der Hang Seng Bank Ltd, Hong Kong. Ich habe einen
Geschäftsvorgang von $54,5 Millionen US-Dollar, und ich werde 30% Entschädigung für Ihre
Unterstützung in dieser Transaktion erhalten Sie, bei Interesse kontaktieren Sie mich für weitere
Details über meine persönliche E-Mail: (zuliuhu2020 <at> qq.com ) 

Vollständige Namen: 

Dr. Zuliu Hu

Gemming, Deborah | 10 Mar 08:28 2014

RE: Donation

From: Gemming, Deborah
Sent: Monday, March 10, 2014 1:49 AM
To: Gemming, Deborah
Subject: Donation

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Erik Fair | 22 Feb 11:12 2014

DUAL Systems documentation

For those of you of a historical or digital archeological bent: while googling for something else, I came
across this URL:


which contains PDFs of a few manuals & a price list from DUAL Systems of Berkeley, CA. DUAL produced the very
first mc68000-based UNIX system (V7 UNIX on the S-100 (IEEE-696) bus), starting in November of 1981. I
worked there as a UNIX systems programmer (kernel hacker) as my first job out of U.C. Berkeley from March
1983 to May 1985.

Of particular interest to this group: the CPU/MMU board manual. Please note: the mc68000 could not
demand-page (i.e. no virtual memory) because the CPU did not save enough state from a memory access fault
to restart the faulted instruction, so UNIX was a swapping OS (whole process in RAM, whole process out to
swap area on disk if not enough RAM is available for whatever else needed to run).

Motorola corrected the fault state save in the mc68010, which provided the ability to make a proper VM
system ... except for the mc68451 MMU (yes, a discrete MMU chip, in a package every bit as big as the CPU)
which had only 32 descriptor registers (translation table entries). Motorola's theory was that if you
wanted more (as one might for a lots of smaller-sized pages), add more MMU chips to your CPU board.
Unfortunately, that doesn't fly on a board size as small as allowed by the S-100 standard. They were
working on a proper paged MMU (PMMU) chip to go along with the mc68020 (the first fully 32-bit (address &
data) 68k family CPU), but it was very, very late (DUAL was moving onto VMEbus from S-100 for the mc68020).

An aside, before Motorola shipped the mc68010, I saw another solution to the faulted-instruction state
save problem from MassComp: their CPU board had two mc68k CPUs on it, one running a cycle behind the other,
so a page fault would stop them both, the missing page could be paged in (I think they designed their own MMU;
long since forgotten), and then execution resumed on the second, following CPU which hadn't taken the
memory-access fault. Throw hardware at the problem ...

	faulting my way down memory lane,
(Continue reading)


Суперская класная р е к л а м а


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Peter Wong | 2 Jan 20:16 2014



Ich habe ein Investment-Portfolio, das Geld in meiner Bank in China, die ich einfach für Sie als
Empfänger übertragen können hinterlegt beinhaltet. Die Transaktion ist ohne Risiko, weil es
strategisch geplant worden zu vervollständigen erfolgreich.

Kontaktieren Sie mich auf meiner E-Mail-Adresse unten für weitere Details.

Mit freundlichen Grüßen,

Peter Wong
Email: petwong <at> aol.jp

Creaturk Studio | 13 Dec 01:23 2013


Maude Hoover | 5 Dec 23:06 2013