Hard Drives - Compaq Deskpro 4000N Maintenance & Service Manual

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
Seagate, Fujitsu, and Western Digital EIDE and Ultra ATA Hard Drive Jumper Settings
Definition
Single
Primary
Secondary
Cable Select
6-6 Connector, Jumper, and Switch Information
Table 6-4
Seagate
5 to 6
5 to 6 and 3 to 4
no connection
3 to 4
Fujitsu
1-2 and 3-5
1-2 and 3-5
3-5
2-4 and 3-5
Western Digital
3-5
5-6
3-4
1-2