Compaq Deskpro 4000N - Desktop PC, Maintenance & Service Manual

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6-6 Connector, Jumper, and Switch Information
6.2.3 Changing the Real-Time Clock (RTC) Battery
When installing the replacement rtc battery, the battery connector is keyed and should be connected
to the pins on the P14 battery header connector.
Refer to Chapter 5 for complete instructions on installing a replacement rtc battery.
6.3 Hard Drives
For more information about Compaq hard drives, refer to Appendix C in this guide. For more
information about using SCSI devices, refer to Appendix D.
The drawings and tables below apply to a number of different sized drives in the following
paragraphs.
Figure 6-4. Seagate, Fujitsu, and Western Digital EIDE and Ultra ATA Hard Drive Jumper Settings
Table 6-4
Seagate, Fujitsu, and Western Digital EIDE and Ultra ATA Hard Drive Jumper Settings
Definition Seagate Fujitsu Western Digital
Single 5 to 6 1-2 and 3-5 3-5
Primary 5 to 6 and 3 to 4 1-2 and 3-5 5-6
Secondary no connection 3-5 3-4
Cable Select 3 to 4 2-4 and 3-5 1-2