Dell Latitude LM Reference
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- Dell Latitude LM | Reference - Page 1
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. New Memory Specifications The Dell Latitude LM - Dell Latitude LM | Reference - Page 2
memory modules installed Maximum RAM . . . 72 MB Memory access time: tRAC 60 ns tCAC 15 ns BIOS address . . . . . F000:0000 NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User's Guide. New Video Controller The Dell Latitude LM - Dell Latitude LM | Reference - Page 3
* On the Dell Latitude LM, a CD-ROM drive installed in the options bay is recognized as IDE Drive 1. Figure 1. Main Screen of the Dell Diagnostics Dell Diagnostics Changes This section updates Chapter 4, "Running the Dell Diagnostics," in the Reference and Troubleshooting Guide. Main Screen The - Dell Latitude LM | Reference - Page 4
memory-resident instructions. Getting Help Many of the telephone numbers in Chapter 5, "Getting Help," of the Reference and Troubleshooting Guide have changed. Use the most up-to-date numbers, which are in the "Calling Dell Dell, the DELL logo, and Latitude are registered trademarks of Dell Computer
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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.