Toshiba Equium 5160D Series Preliminary Maintenance Manual page 71

Replacing the System Board (5160D/5200D)
To replace the 5160D/5200D system board, perform the following procedure and see Figures
4-22 and 4-23.
1. Align the system board in the chassis so that the appropriate holes on the board rest on
top of the chassis' screw holes and restraining pins. Firmly, but carefully, press down
until the board snaps into place.
2. Secure the system board to the chassis with five screws.
3. Install the microprocessor and heat sink on the system board. (Refer to section
4.11.2.)
4. Verify that the jumper settings for the microprocessor are correct. Refer to Table 4-2
for proper microprocessor jumper settings.
Table 4-2 5160D/5200D Microprocessor/Bus Speed Settings
Micro Host Bus
processor Freq.
Freq. (MHz)
(MHz)
166 66
200 66
5. Install memory modules on the system board. (Refer to section 4.13.2.)
6. Install the RTC battery on the system board. (Refer to section 4.14.2.)
7. Install the riser card. (Refer to section 4.3.2.)
8. Install expansion cards as necessary. (Refer to section 4.1.4.)
9. Connect device data cables:
Connect the HDD data cable to the connector at J6C1 on the system board.
Connect the CD-ROM data cable to the connector at J5C1 on the system board.
Connect the FDD data cable to the connector at J9K1 on the system board.
10. Connect power supply cables:
Connect power cable P12 to the connector at J9k2 on the system board.
Connect power cable P1 to the connector at J9H1 on the system board.
Connect power cable P2 to the connector at J9J1 on the system board.
11. Connect the CD-ROM audio cable to the connector at J6N2 on the system board.
NOTE: When connecting switch and LED cables, make sure the printed side of
the connector faces the front of the computer.
Equium™ Series Maintenance Manual --------------------------------------------------------- 4-27
J4L2-A J4L2-B J4L2-C
DOWN DOWN
DOWN UP DOWN
DOWN UP
UP DOWN DOWN
UP DOWN
UP UP
PCI Freq. Clock
(MHz) Multiplier
UP 33
reserved
UP reserved
reserved
UP reserved
UP 33
ISA Freq.
(MHz)
2.5 8.33
3 8.33