Models 830/Sb2 With Fc 9074 - Tower Card (Cb1) - IBM iSeries 270 Service Manual

d. Pull the PCI card enclosure partially out of the frame to the release mechanism stop on the right
side, while lifting the cables clear of the enclosure.
e. The battery is located on the right hand side of the PCI enclosure. Remove the PCI cards
preventing access to the battery from the enclosure and note their locations. See FC 5074, FC
5079, FC 5094, FC 5294 - Cards (dedicated).
5. Remove the TOD battery. Use a flat object (screwdriver) to pry the battery out.
6. Reverse the steps to install the TOD battery.
7. After installation is complete, IPL the system in Manual Mode.
8. Have the customer set the time and date.
This ends the procedure.

Models 830/SB2 with FC 9074 - Tower card (CB1)

For use by authorized service providers.
Use this procedure in conjunction with the Expansion unit power procedure to remove or replace the tower
card (CB1) in the Models 830 or SB2 with FC 9074.
To remove or replace the tower card (CB1):
1. Power off the system. See Power on/off the system and logical partitions.
2. Remove the power cord from the system unit.
3. Open the rear cover. See Models 830/SB2 with FC 9074 - Covers.
4. Refer to Models 830 and SB2 with FC 9074 - Final assembly, rear and perform the following steps
from the rear of the system:
a. Remove the external cables from the rear of the PCI card enclosure and note their locations.
b. Remove the EMC access plate that is located directly above the PCI card enclosure. Press the
surfaces of the two latching mechanisms together and tilt the top of the cover away from the
frame to remove it.
c. Remove the cables from the top of the PCI cards and note their locations.
Attention: All cards are sensitive to electrostatic discharge. See Work with electrostatic
discharge-sensitive parts.
d. Remove the screws that hold the PCI card enclosure to the frame.
e. Pull the PCI card enclosure partially out of the frame while lifting the cables clear of the
enclosure.
f. Press the release mechanism that is located along the top right side of the enclosure and carefully
slide the enclosure towards you. Make sure that the cables are clear of the enclosure.
5. Remove the PCI cards from the enclosure and note their locations. See Locations — Models 830,
SB2 system unit with FC 9074 base I/O tower.
6. Disconnect the top ribbon cables from the tower card assembly and note its location.
7. Install the tower card/PCI card assembly by reversing the removal procedure.
8. Perform the following:
a. Open the front cover. See Models 830/SB2 with FC 9074 - Covers.
b. Pull on the two side fasteners to release the control panel.
c. Slide the panel partially out of the frame.
d. Apply ac power.
e. Insert keystick into panel. The panel should display SRC 0000 5553.
f. Locate the push button located on the back side of the control panel, directly behind the keystick
socket. Depress the push button for 3-4 seconds.
9. Set the configuration ID in the tower card:
a. If the ac power is not applied, then apply it now.
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Hardware (Remove and Replace; Part Locations and Listings)