Dell OptiPlex GX1 and NX1 Documentation Update 1-5

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To remove the Microsoft-updated ATAPI driver, follow these steps:
1. Start Windows NT. If you are already running Windows NT, close any open docu-
ments or application programs.
2. Use Windows NT Explorer to open the system32\drivers subdirectory in the
Windows NT directory.
3. Rename the existing atapi.sys file to atapi.bak.
4. Rename the atapi.000 file to atapi.sys.
5. Restart the computer.
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In addition to the online
System User's Guide
, your system also includes online
versions of the
Reference and Installation Guide
and the
Diagnostics and Trouble-
shooting Guide
in portable document format (PDF) files on the hard-disk drive. These
documents are located in the Dell Accessories folder.
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The following subsections provide updated infromation about some of the options on
the System Setup screen. Page 1 of the System Setup screen includes new fields for
DAC Snoop and ACPI and reports primary drives and chassis intrusion differently than
before (see Figure 1-1). Use of the Setup Password (reported on page 2 of the Sys-
tem Setup screen) has also changed.

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Drives:
Primary Type Cyls Hds Pre L Z Sec Size
Drive 0:Auto EIDE Drive 9216
Drive 1:None
To change t he value in a fi eld,
enter a number or use the left- or
right-arrow key.
Changes tak e effect immedia tely.
change valu es Esc exit
Level 2 Cac he:
System Me mory:
Video Me mory:
Service Tag:
As set Tag:
Diskette Dri ve B:
Dell Computer Corporation (w ww.dell.com)
Page 1 of 2
Date: Mon Ap ril 1, 1998
System OptiPl ex GX1 400MTbr S etup
Diskette Dri ve A:
Tab,Shift-Tab change fields
Secondary
Drive 0:Auto CD-ROM Dev ice
Drive 1:None
Not Instal led
3.5 inch, 1. 44 MB
This categor y sets the time in
24-hour form at (hours:minut es:
seconds) for the internal c lock/
calendar.
Time: 13:17: 02
Alt-P next
Reserved Memo ry:
CPU Speed:
Num Lock:
Chassis Intru sion:
DAC Snoop:
ACPI:
None
400 MHz
On
Enabled
On
On
512 KB Integ rated
32 MB SDRAM
4 MB SGRAM
Pentium® II Proc essor 400 MHz
,
BIOS Version :
XXX
Alt-B reboot
XXXXX
XXXXX