Sonnet Technologies Crescendo_L2 Processor Upgrade - Manual (Page 11)

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Power Macintosh 4400 and 7220 Installation
Install Crescendo/L2 Processor Upgrade Card
1. Remove the Crescendo/L2 card from the anti-static package,
making sure to handle the card by the edges (Figure 5). Your card
may differ from what is pictured below.
2. Install the Crescendo/L2 card into the L2 Cache Slot (Figure 6).
Firmly press down until the card is completely seated.
3. If you removed a Level 2 cache card from the computer, package it
into the Crescendo’s anti-static package and store it in a safe place.
Figure 6: Install Crescendo/L2 card into L2 Cache Slot
Crescendo card
L2 Cache Slot
Figure 5: Remove Crescendo/L2 card from packaging
CPU (with heatsink)