I searched the Internet exhaustively for this manual and Owner-Manuals was the least expensive...but provided an excellent reproduction within 4 hours. Very satisified.
This is exactly the thing you need to service this box. The manual is complete and the quality of the scan is good. I recommend this!
Text excerpt from page 80 (click to view)
(PCV-R549DS)
Note: Do not separate the CPU and heat sink. The CPU and heat sink are supplied as an assembly.
1 two claws
2 CPU ass'y
2-19. MEMORY (DIMM)
1 Open two clips. 2 memory (DIMM) Note 1: Hold the memory board gently while opening clips to prevent it from dropping. Note 2: When removing the memory, always start with the one having the largest bank number.
