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Hewlett Packard Series Derivations

Last Update: January 22, 2003 -- THE HP REFERENCE

Classic Series Derivations
Model Type On/Off
Switch
Red Dot
2.02 e^x
Bug
On/Off
Switch
Profile
On/Off
Switch
Legend
Front
Legend
#5 Key
Raised Dot
Battery
Compartment
Mfg Date 1st Mfg Date Last
35A
35A
35A
35A
35A
I
--
--
--
--
--
IIa
IIb
--
--
--
--
--
III
--
--
--
--
--
IV
Yes
No
No
No
No
Yes
Yes
No
No
No
low
low
low
high
high
stamped
stamped
stamped
stamped
raised
Hewlett.Packard
Hewlett.Packard
Hewlett.Packard
Hewlett.Packard_35
Hewlett.Packard_35
Yes
Yes
Yes
No
No
two parts
two parts
two parts
one part
one part
????
1143A
1143A
1302A
1346A
????
1143A
1230A
1302A
1346A
45A
45A
I
--
--
II
--
--
--
--
--
--
--
--
high
high
stamped
raised
Hewlett.Packard_45
Hewlett.Packard_45
No
No
one part
one part
1349A
1506A
1349A
1506A
80A
80A
I
--
--
II
--
--
--
--
--
--
--
--
????
high
????
raised
Hewlett.Packard
Hewlett.Packard_80
????
No
????
one part
????
1247A
????
1247A

20 Series Derivations
Model Display Decimal Point Mfg Date 1st Mfg Date Last
21A
21A
Triangular
Regular
1508A
1712S-ak
1707B-ak
1712S-ak
22A
22A
Triangular
Regular
1601A
????
1601A
????
25A
25A
Triangular
Regular
1510A
1608S-ak
1601A-ak
1608S-ak
25C
25C
Trangular
Regular
????
1601A
????
1612A-ak
27A
27A
Trangular
Regular
????
1702S
????
1702S
29C
29C
Triangular
Regular
????
1711A
????
1908S

30 Series Derivations
Model Keyboard Outline Keyboard Domes Made in Mfg Date Weight (oz / gm)
31E
31E
31E-ak
Silver
Silver
----
----
----
White
----
----
----
----
----
----
Membrane
Membrane
----
----
----
Metal
USA
----
----
----
Singapore
Singapore
1846A
2001S
2032S
6.1 / 174
6.1 / 174
5.0 / 142
32E
32E-ak
32E
32E-ak
Silver
Silver
----
----
----
----
White
White
----
----
----
-----
----
----
----
----
----
Membrane
Membrane
----
Metal
----
----
Metal
USA
USA
----
----
----
----
Singapore
Singapore
1826A
1913A
2045S
2236S
4.8 / 135
6.5 / 184
6.1 / 173
4.8 / 135
33E
33E-ak
Silver
----
----
Whihte
----
----
----
----
----
Membrane
Metal
----
----
USA
Singapore
----
1832S
1842A
4.8 / 135
6.2 / 176
33C
33C-ak
33C-ak
----
Silver
----
White
----
White
----
----
----
----
----
----
Membrane
----
Membrane
----
Metal
----
----
----
----
Singapore
Singapore
Singapore
1842S
2038S
2109S
6.2 / 176
4.8 / 135
6.2 / 176
34C
34C
34C-sv
----
----
Silver
White
White
----
----
----
----
----
Membrane
Membrane
Metal
----
----
----
Singapore
Singapore
Singapore
2038S
2130S
2011S32632
4.7 / 132
6.3 / 178
6.3 / 178
37E-dm
37E
----
----
----
----
Gold
Gold
----
----
Membrane
Membrane
----
----
USA
USA
----
----
1850A
1903A
6.3 / 179
6.1 / 174
38E
38E-ak
38E
38E-dm
38E-dm
----
Silver
----
----
----
----
----
----
----
----
Gold
----
----
Gold
----
----
----
Green
----
Green
Membrane
Membrane
Membrane
----
----
----
----
----
Metal
Metal
USA
USA
USA
USA
----
----
----
----
----
Singapore
1826A
1938A
1942A
1950A
2018S
6.2 / 176
6.5 / 184
6.2 / 175
4.8 / 136
4.8 / 136
38C
38C
----
----
----
Green
Green
Membrane
----
----
Metal
----
Singapore
Singapore
2132S
2208S
6.2 / 176
4.6 / 130
Note: All weights are less battery pack. Add 1.6oz or 46gm for battery pack.
ak = data from Alex Knight
dm = data from Dan McDonald
sv = data from Stefan Vorkoetter
Note: The color "Green" could also be described as Brownish-Gold or Greenish-Gold.


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