K Service Source Upgrades Power Macintosh G3 All-In-One Upgrades PCI or I/O Cards - 1 PCI or I/O Cards Screw PCI Card Before you begin, remove the chassis carrier. 1 2 Remove the screw that holds the port access cover in place. Remove the port access cover. Note: If you remove all three port access covers, be sure the sheet metal shield remains under the edge of the logic board. PCI Slot Upgrades PCI or I/O Cards - 2 3 Screw PCI Card PCI Slot Align the card connector with the expansion slot and press straight down until the connector inserts all the way into the slot. Upgrades Memory—DRAM or VRAM - 3 DRAM DIMM Slots ROM Slot (Do not remove the ROM DIMM.) Memory—DRAM or VRAM Before you begin, remove the • Chassis carrier • Cable clamp support bracket Video Memory Expansion Slot SGRAM SO-DIMM . Upgrades Memory—DRAM or VRAM - 4 DRAM Note: DIMM shape and components may vary. DRAM DIMM Ejector DRAM Slots 1 To remove existing DRAM DIMMs to make room for new ones, push down on the ejectors. Upgrades Memory—DRAM or VRAM - 5 2 DRAM DIMM Ejector DRAM Slots 3 Align DIMM notches with DRAM slot ribs. Note: The DIMM is designed to fit in the slot only one way. With ejectors open, press the DIMM into the slot. Note: Slot may have one or two ejectors. Upgrades Memory—DRAM or VRAM - 6 VRAM Note: SGRAM DIMM shape and components may vary. SGRAM SO-DIMM Video Memory Slot 1 To remove existing SGRAM DIMM, spread arms of video memory slot apart slightly. The SGRAM DIMM will pop up. Upgrades Memory—DRAM or VRAM - 7 2 SGRAM SO-DIMM Video Memory Slot 3 Align SGRAM DIMM notches with VRAM slot ribs. Note: SGRAM DIMM fits into slot only one way. Press the SGRAM DIMM into the slot. Note: SGRAM DIMM should be flat and parallel to the logic board. Upgrades Modem Installation - 8 Modem Installation Before you begin, do the following: • Remove the chassis carrier • Remove the I/O card Upgrades Modem Installation - 9 1 With a jewelers screwdriver, remove the modem port plug on the I/O card. Upgrades Modem Installation - 10 2 Align modem card with the modem slot. Push card firmly into the slot. Upgrades Modem Installation - 11 3 4 5 Reinstall the I/O card into the PERCH slot on the logic board. Be careful not to break the voltage regulator. Connect the two cables on the I/O card. Attach the two screws that secure the card to the chassis. Upgrades Modem Installation - 12 6 7 Push the chassis carrier into the unit. Tighten the four screws on the back of the chassis carrier.