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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690
Energy
Voltage
Amp-hour capacity
Watt-hour capacity
14.8 V
3.0 Ah
44.4 Wh
Environmental Requirements
Operating Temperature
Non-operating Temperature
32° F to 113 F
-4° F to 140 ° F
0° to 45° C
-20° to 60° C
Modem
Compliance
ITU v.90~6 standard
Full ITU-T V.34 compliance
Full compliance with: V.21, V.22, V.22bis, V.23, V.32, V.32bis, Bell 103, Bell 212A
Data Compression
V.42bis/MNP 5
Fax Modulation
V. 17
V. 21 (Group III Compatible)
V.29
V.27Ter
Command Set
Hayes AT
Class 1 Fax
Cable
6 Ft. RJ-11 telephone cable
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1.800.AT.COMPAQ
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file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOO...0%20SERIES%201683%201685%201687%201688%201690%201694/spec.html (12 of 12)6/27/2004 2:57:31 AM