See the following illustration for the location of parts on the system board.1 Microprocessor 9 Battery2 DIMM connectors (1, 2, 3 left to right) 10SCSI LED connector3 Front panel connector 11PCI slots4 Power connector 12Front panel audio connector5 Diskette drive connector 13CD-ROM audio connector6 Primary IDE connector 14AGP slot7 Secondary IDE connector 1512V Power connector8 Clear CMOS/Recovery jumperInstalling memoryYour computer has three connectors for installing dual in-line memory modules(DIMMs) that provide up to a maximum of 1.5 GB of system memory.Installing DIMMsWhen installing DIMMs, the following rules apply:v Fill each system memory connector sequentially, starting at DIMM 1v Use 3.3 V, synchronous, 168-pin, unbuffered, 133 MHz nonparity synchronousdynamic random access memory (SDRAM)v Use 64 MB, 128 MB, 256 MB, or 512 MB DIMMs in any combinationv DIMM heights of 38.1 mm (1.5 inches)To install a DIMM:1. Remove the cover. See “Removing the cover” on page 29.2. You might have to remove an adapter to gain access to the DIMM slots. See“Installing adapters” on page 32.Chapter 4. Installing internal options — desktop model 31