Mini Tower System Reference and Installation Guide

Working Inside Your Computer 5-7
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 5-1. System-Board Jumper Settings
Jumper Setting Description
RSVD2 Reserved (do not change).
300MHZ* Jumpered when the microprocessor’s internal speed is 300 MHz.
266MHZ
*
Jumpered when the microprocessor’s internal speed is 266 MHz.
233MHZ
*
Jumpered when the microprocessor’s internal speed is 233 MHz.
BIOS Reserved (do not change).
PSWD Password features are enabled.
Password features are disabled.
* 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
.
(default)
(default)
(d
e
f
au
l
t
)
jumpered
unjumpered
Table 5-2. System Board and Riser Board Connectors and Sockets
Connector or Socket Description
BATTERY Battery socket
CD_IN CD-ROM audio interface connector
DIMM_x DIMM socket
DSKT Diskette/tape drive interface connector
ENET NIC connector (optional)
FAN Microprocessor fan connector
* 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
.