ASRock P4i45D R3.0 User Manual - Page 11

2.5 Installation of Memory Modules (DIMM) P4i45D motherboard provides two 184-pin DDR (Double Data Rate) DIMM slots. Please make sure to disconnect power supply before adding or removing DIMMs or the system components. Step 1. Step 2. Step 3. Unlock a DIMM slot by pressing the retaining clips outward. Align a DIMM on the slot such that the notch on the DIMM matches the break on the slot. Firmly insert the DIMM into the slot until the retaining clip snap back in place and the DIMM is properly seated. 2.6 Expansion Slots (PCI and AGP Slots) There are 4 PCI slots and 1 AGP slot on P4i45D motherboard. PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI interface. AGP slot: The AGP slot is used to install a graphics card. The ASRock AGP slot has a special locking mechanism which can securely fasten the graphics card inserted. Please do NOT insert a 3.3V AGP card into the AGP slot of P4i45D motherboard! It may cause permanent damage! Installing an expansion card Step 1. Before installing the expansion card, read the documentation of the expansion card and make necessary hardware settings for the card. Step 2. Remove the system unit cover (if your motherboard is already installed in a chassis). Step 3. Remove the bracket facing the slot that you intend to use. Keep the screw for later use. Step 4. Align the card connector with the slot and press firmly until the card is completely seated on the slot. Step 5. Fasten the card to the chassis with screws. Step 6. Replace the system cover. 11