Texas Microsystems, Inc. 2003 - External Speaker Jack; Installing Modular Options

2.2.3 CRT Display Connections
On the 2001A computer the CRT display power cable can
be plugged into the computer auxiliary power outlet.
The signal cable connects the Crt to the video card
connector at the back o£ the computer.
When connected to the auxiliary outlet, power is
supplied to the CRT display as soon as the computer is
powered-up.
The 2003A computer
outlets. There£ore,
plugged into a local
connects to the video
computer.
does not have auxiliary power
the display power cable should be
outlet. The display sig~al cable
card connector at the back o£ the
2.2.4 External Speaker Jack
An external speaker Jack is standard on the AT computer
and optional on the XT computer. The speaker Jack,
provides the capability £or audio output to an external
alarm or public address system. The speaker Jack is
located on the CPU card at the back o£ the computer.
2.3 Installing Modular Options
The 2000a Series Computer design provides £or easy
access to add or upgrade the system. Each computer is
slightly di££erent. The steps to access cards £or each
computer are described in the £ollowing paragraphs.
HQIg
All captive nuts used in the 2000 Series
Computers are sel£-locking. Extra
e££ort may be required to loosen or
tighten the screws during installation.
2.3.1 Accessing Cards in the 2001 Computer
1. Power-down the computer.
2. Remove the 3 screws £rom the hinged access panel
on top. Remove the hinged access panel (note the
position o£ the access panel hinge tabs) and place
the screws and the panel in a convenient place.
3. Unscrew and remove the hold-down clamp that £its
across the circuit boards.
4. To install circuit cards,
instructions £or the card
Section 4). In addition,
instructions that come with
Preliminary AT Users Manual
re£er to the speci£ic
to be 'installed (see
read any installation
the option purchased.
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11/26/86