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System board
NOTE: The system board spare part kit includes UMA or discrete graphics subsystem memory and
replacement thermal material.
Description Spare part number
PCA UMA system board 592808–001
PCA UMA system board with modem and card reader 592809–001
HD5430 PCA Discrete system board (for model 1.0 only) 592810-001
HD5430 PCA Discrete system board with modem and card reader (for model 1.0 only) 592811-001
HD545V PCA Discrete system board (for model 1.0 only) 611554-001
HD545V PCA Discrete system board with card reader (for model 1.0 only) 611555-001
HD5470/512M PCA Discrete system board (for model 1.1 only) 616405–001
HD5470/512M PCA Discrete system board with card reader (for model 1.1 only) 616406–001
HD5470/1G PCA Discrete system board (for model 1.1 only) 616407–001
HD5470/1G PCA Discrete system board with card reader (for model 1.1 only) 616408–001
HD6370/512M Discrete system board (for model 1.2 only) 632183-001
HD6370/512M Discrete system board with card reader (for model 1.2 only) 632184-001
HD6370/1G Discrete system board (for model 1.2 only) 632185-001
HD6370/1G Discrete system board with card reader (for model 1.2 only) 632186-001
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
RTC battery (see
RTC battery on page 79)
●
Memory modules (see
Memory module on page 55)
●
WLAN module (see
WLAN module on page 52)
●
Modem module (see
Modem module on page 65)
Before removing the system board:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
76 Chapter 4 Removal and replacement procedures ENWW