Apple Mac Pro, Early 2008 User's Guide
![Apple Mac Pro, Early 2008 manual cover](/images/904ebc6c247525b843bec53e/thumbs/thumb175x175.webp)
To upgrade the RAM, open the side panel, remove the memory riser cards, and replace or add new RAM modules. Ensure the RAM is compatible (DDR2 ECC fully buffered).
Check all cable connections, reset the SMC and PRAM, and remove any newly installed hardware or peripherals. If the issue persists, consult an Apple technician.
Shut down the Mac Pro, unplug all cables, and open the side panel. Use compressed air to gently remove dust from components and fans. Avoid touching internal parts.
You can upgrade to compatible cards like the NVIDIA GeForce GTX 285 or ATI Radeon HD 5770, ensuring they support your system's PCIe slots.
Boot from the original installation disc, select Disk Utility, erase the main drive, and reinstall macOS from the disc. Backup data before proceeding.
Ensure proper ventilation, clean dust from fans and vents, and check for software issues causing high CPU usage. Consider reinstalling macOS for persistent problems.
The Mac Pro, Early 2008, supports up to four internal SATA drives, each with a capacity of up to 2TB, for a total of 8TB.
Upgrade the RAM, replace the hard drive with an SSD, and ensure all software is up to date. Consider reducing the number of startup programs.
Unusual noises can be due to failing hard drives or fans. Check for loose components, clean fans, and back up data in case of hardware failure.
The latest officially supported macOS is OS X El Capitan. Newer versions might be installed using third-party tools, but it's not recommended or supported by Apple.