System Board And Riser Board Labels; Table 5-1. System-Board Jumper Settings; Table 5-2. System Board And Riser Board Connectors And Sockets - Dell OptiPlex Mini Tower System Reference And Installation Manual

Jumper Setting
RSVD2
(default)
300MHZ*
266MHZ
*
233MHZ
*
BIOS
(default)
PSWD (default)
* One set of the speed jumper pins must have a jumper plug installed; otherwise, the system will operate at an undetermined
speed.
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in your online System User's Guide.
jumpered

System Board and Riser Board Labels

Table 5-2 lists the labels for connectors and sockets on
your system board and riser board, and it gives a brief
description of their functions.

Table 5-2. System Board and Riser Board Connectors and Sockets

Connector or Socket
BATTERY
CD_IN
DIMM_x
DSKT
ENET
FAN
* Connector ISA1 shares a single card-slot opening with PCI4, and ISA2 shares with PCI5. Only one connector at a time can be
used on a shared card-slot opening.
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in your online System User's Guide.

Table 5-1. System-Board Jumper Settings

Description
Reserved (do not change).
Jumpered when the microprocessor's internal speed is 300 MHz.
Jumpered when the microprocessor's internal speed is 266 MHz.
Jumpered when the microprocessor's internal speed is 233 MHz.
Reserved (do not change).
Password features are enabled.
Password features are disabled.
unjumpered
Description
Battery socket
CD-ROM audio interface connector
DIMM socket
Diskette/tape drive interface connector
NIC connector (optional)
Microprocessor fan connector
Working Inside Your Computer 5-7