see “system-board option connectors” on page 29 for the locations of expansion slots on the system board.
adapter considerations
before you install an adapter, review the following information:
1 read the documentation that comes with your operating system.
2 locate the documentation that comes with the adapter and follow those instructions in addition to the instructions in this chapter. if you need to change the switch or jumper settings on your adapter, follow the instructions that come with the adapter.
3 you can install only a 32-bit adapter in the 32-bit pci slot 1; 64-bit adapters can be installed only in the 64-bit pci-x slots 2 through 5.
4 you can install full-length adapters in all five expansion slots; however, full-length, double-width adapters will not fit in slot 5 and are not supported. none of the expansion slots are hot-plug.
5 the 32-bit pci slot 1 supports 5.0 v signaling pci adapters; it does not support 3.3 v signaling adapters or 64-bit adapters.
6 the 64-bit pci-x slots 2 through 5 support 3.3 v signaling pci or pci-x adapters; they do not support 5.0 v signaling adapters.
7 the pci bus configuration is as follows:
– the 32-bit pci slot 1 and mini-pci slot 6 (for the ieee 1394 controller) are on the 33 mhz pci bus.
if your computer did not come with a ieee 1394 (firewire) adapter installed in mini-pci slot 6, do not install an adapter in this slot. it is not supported.
– the 64-bit pci-x slots 2 and 3 and the integrated ethernet controller are on the 100 mhz pci-x bus, channel a.
– the 64-bit pci-x slots 4 and 5 and the integrated scsi controller with raid capabilities are on the 100 mhz pci bus, channel b.
1 to provide failover protection, an optional ethernet adapter can be installed only in pci-x slots 2 through 5.
2 installing an optional raid adapter in your computer will require that you reload the operating system and applications that came pre-installed on your computer.
3 the system scans the agp slot, mini-pci slot 6, pci expansion slot 1, and pci-x expansion slots 2 through 5 to assign system resources. then, the system starts the pci devices in the following order, if you have not changed the default startup sequence: agp slot, mini-pci slot 6, pci expansion slot 1, system-board integrated drive electronics (ide) or scsi devices, and then pci-x expansion slots 2 through 5.
4 for a list of supported options for your computer, go to http://www.ibm.com/pc/ on the world wide web; then, select your country and navigate to the list of options for your computer.
installing an adapter
the agp pro slot and pci slot 1 must be empty for you to access the ieee 1394 (firewire) adapter in mini-pci slot 6. if you are replacing the ieee 1394 adapter, the optional pci adapter and the agp video adapter will need to be temporarily removed.
complete the following steps to install an adapter in your computer:
1. review the safety information beginning on page vii, “installation guidelines” on page 27, and “handling static-sensitive devices” on page 28.
2. turn off the computer and all attached devices.
3. disconnect all power cords; then disconnect all external cables.
4. remove the side cover (see “removing the side cover” on page 31).
5. determine which slot you will use for the adapter. check the instructions that come with the adapter for any requirements, restrictions, or cabling instructions. it might be easier to route cables before you install the adapter.
6. rotate the rear adapter-retention bracket to the open (unlocked) position and remove it from the computer. rotate the front adapter-retention bracket to the open position. if you are installing a smaller adapter, remove only the rear adapter-retention bracket.
7. if there is an adapter already installed in the slot, remove it and place it on a static-protective surface.
if the slot is empty, remove the expansion-slot cover. from the rear of the computer, press on the slot cover. grasp it and pull it out of the expansion slot. store it in a safe place for future use.
expansion-slot covers must be installed on all vacant slots. this maintains the electronic emissions standards of the computer and ensures proper ventilation of computer components.
8. set any jumpers or switches on the adapter or system board according to the documentation that comes with the adapter.
be certain that the adapter is correctly seated in the expansion slot before you turn on the computer. incomplete installation of an adapter might damage the system board or the adapter.
9. remove the adapter from the static-protective package, carefully grasp the adapter by the top edge or upper corners, and align it with the expansion slot guides; then, press the adapter firmly into the expansion slot. move the adapter directly from the static-protective package to the adapter slot. avoid touching the components and gold-edge connectors on the adapter.
10. connect required cables to the adapter. route cables so that they do not block the flow of air from the fans. if you are installing an optional scsi adapter, see “cabling an optional scsi adapter” on page 36 for additional information.
11. if you have another adapter to install, repeat steps 5 through 10.
12. if you have installed a full-length adapter, rotate the front adapter-support bracket to the closed (locked) position.
13. reinstall the rear adapter-retention bracket; then, rotate the bracket to the closed (locked) position.
if any adapters in your computer are large or have heavy cables attached to them, you can remove the rear adapter-retention bracket and secure all of the adapters with expansion-slot screws. the expansion-slot screws are stored on the back of the computer next to slot 1.
14. if you have other options to install, do so now; otherwise, continue with step
15. replace the support bracket (see “removing and installing the support bracket” on page 33).
16. replace the side cover (see “replacing the side cover” on page 53).
17. reconnect the external cables and power cords; then, turn on the attached devices and the computer.
cabling an optional scsi adapter
you can install an optional scsi adapter in your computer to control the internal hard disk drives. with a scsi adapter installed you can configure the internal hard disk drives into disk arrays. you can also cable a scsi adapter to external hard disk drives. see your scsi adapter option documentation for complete instructions for installing a scsi adapter in your computer and for additional information about scsi adapters.
an optional scsi adapter or cable option is required to connect external scsi devices.
complete the following steps to cable an optional scsi adapter:
1. install the scsi adapter (see “installing an adapter” on page 34).
2. connect the scsi-signal cable to the adapter and to one or more of the signal-cable connectors to the rear of the scsi devices.
3. connect the scsi-activity-indicator cable to the adapter and to the scsi-led connector (j18) on the system board. see “system-board internal connectors” on page 29 for the location of the scsi-led connector.
4. complete the installation of the optional scsi adapter.