HP b2600 Technical Reference page 43

Remove/Replace System Components
Removing/Replacing System Components
Memory Configuration
The HP B2600 workstation has four memory slots, labeled SL0, SL1, SL2and SL3 (SL0 is
the slot closest to the workstation's chassis). You can mix 256MB, 512MB and 1GB
memory cards in the memory slots, but you must install them using the memory sequence
shown in Figure 3-5.
Figure 3-5. Memory Loading Sequence in the HP B2600
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