<s>
Fahrenheit	B-Library
is	O
the	O
codename	O
for	O
a	O
GPU	O
microarchitecture	B-General_Concept
developed	O
by	O
Nvidia	O
,	O
and	O
released	O
in	O
1998	O
,	O
as	O
the	O
successor	O
to	O
STG-2000	B-Device
,	O
Riva	B-Device
128	I-Device
(	O
NV1	B-Device
,	O
NV2	O
,	O
NV3	B-Device
...	O
)	O
microarchitecture	B-General_Concept
.	O
</s>
<s>
It	O
was	O
named	O
with	O
reference	O
to	O
Fahrenheit	B-Library
and	O
used	O
with	O
STG-2000	B-Device
,	O
Riva	B-Device
128	I-Device
.	O
</s>
