<s>
The	O
HP	B-Device
7935	I-Device
is	O
a	O
business	O
computer	O
hard	B-Device
disc	I-Device
drive	I-Device
system	O
manufactured	O
by	O
Hewlett	O
Packard	O
.	O
</s>
<s>
The	O
7933	O
and	O
7935	O
drives	O
were	O
often	O
used	O
with	O
the	O
HP	B-Device
3000	I-Device
series	O
family	O
of	O
minicomputers	B-Architecture
and	O
later	O
in	O
early	O
versions	O
of	O
the	O
HP	B-Device
9000	I-Device
series	O
computers	O
.	O
</s>
<s>
The	O
HP	O
campus	O
in	O
Cupertino	O
had	O
1,682	O
HP	B-Device
7935	I-Device
drives	O
operating	O
at	O
the	O
time	O
of	O
the	O
quake	O
and	O
97.25	O
percent	O
were	O
still	O
operational	O
afterwards	O
.	O
</s>
