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Options, Expansion unit, Option card power limitations – Epson NB3s User Manual

Page 3: Epson nb3s, Nb3s-3

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EPSON NB3s

options

Internal 2400-baud, Hayes-compatible, auto-dial modem

1MB or 4MB RAM expansion cards

20MB or 40MB. interchangeable hard disk drives

External numeric keypad

Battery pack

External battery charger

Car cigarette lighter adapter

Carrying case

Expansion Unit

Power Supply
Automatic 100-240V sensing, 50/60 Hz. Supplies enough power to
operate the computer, recharge the battery pack and power an

optional full-size keyboard

Hard disk

Interchangeable, slide-out, 120MB hard disk; 19ms average access
time; built-in controller

Option slots

Two standard input/output expansion slots,

ISA-compatible. Switch to disable internal VGA controller

Option slot

Dimension

Maximum size

Front

Width

0.66 inches (17 mm)

Height

4.80 inches (122 mm)

Length (normal)

10.63 inches (270 mm,

13.30 inches (340 mm)

(hard disk

installed)

6.12 inches (155 mm)

Rear

Width

0.66 inches (17 mm)

Height

4.13 inches (106 mm)

Length (normal)

10.63 inches (270 mm)

(with expansion cover)

13.30 inches (340 mm)

Options

120MB interchangeable hard disk drives

External keyboard

Adapter to connect external keyboard to keypad port

Option Card Power Limitations

There is a limit on the amount of current that can be drawn by

installed option cards. The total current consumption of the two
option card slots must not exceed the maximum current for each

voltage shown below.

Refer to the option card handbook for details.

Notebook Computers

11/30/90

NB3s-3