Dell LM - Manual
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Table of Contents:
- Page 2 – Memory
- Page 3 – Figure 1. Main Screen of the Dell Diagnostics; ell Diagnostics Changes; Main Screen; key to; key to return to the main Test
- Page 4 – USB Subtests Added; etting Help
P/N 89180 Rev. A01 June 1997
®
www.dell.com
Dell
®
Latitude
®
LM
Documentation Update
T
his document updates information contained in the
online Dell Latitude LM User’s Guide and the Dell
Latitude LM Reference and Troubleshooting Guide.
N
ew Microprocessor Options
The Dell Latitude LM is now available with a
166-megahertz (MHz) or 133-MHz Intel
®
Pentium
®
microprocessor with MMX
™
technology.
Current application programs not designed specifically
for MMX technology should have a small improvement
in performance when run on a system with a Pentium
microprocessor with MMX technology. Software written
specifically to take advantage of MMX technology
(which will be labeled “Designed for Intel MMX”) will
have a greater improvement in performance, depending
on the type of application program.
The Pentium microprocessor with MMX technology has
twice the internal cache memory (32 kilobytes [KB]) as
the standard Pentium microprocessor.
To see the technical specifications of the new micro-
processors, search on “microprocessor specifications” in
the online System User’s Guide. The online guide is in
the Dell Accessories folder or program group.
N
ew Memory Module Support
The Dell Latitude LM now supports 32-megabyte (MB)
memory modules. With the 8 MB of standard non-
removable memory on the system board and two 4-MB
memory modules standard with every Latitude LM, the
computer now supports a maximum of 72 MB of system
memory. The following memory module combinations
are possible:
•
24 MB — Install two 8-MB memory modules.
•
40 MB — Install two 16-MB memory modules.
•
72 MB — Install two 32-MB memory modules.
N
ew Memory Specifications
The Dell Latitude LM now supports extended-data out
(EDO) memory. EDO memory technology improves per-
formance over fast-page-mode technology by using a
shorter page-mode cycle time while accessing data
within a single page of memory. See the following table
for the updated memory specifications.
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Summary
N ew Video Controller The Dell Latitude LM’s standard video subsystem now includes 1.1 MB of video memory. For more information about new video modes and resolutions, see “Using the Display,” or search on “text modes” and “graphics modes” in the online System User’s Guide. To see the technical speci...
Figure 1. Main Screen of the Dell Diagnostics D ell Diagnostics Changes This section updates Chapter 4, “Running the Dell Diag-nostics,” in the Reference and Troubleshooting Guide. Main Screen The main screen of the diagnostics (see Figure 1) has been revised to show more detail in the System Config...
USB Subtests Added The following subtests have been added to the System Set Test Group. These subtests run only if the computer has a Universal Serial Bus (USB) connector. • The USB Register Test checks the onboard registers of the USB interface. This subtest does not test USB peripherals. • The USB...
