Apple emac ati usb2 2005 Manuale Di Servizio

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2 - eMac ATI Graphics/USB 2.0/2005 Troubleshooting
 General Information
• New hard drives:
• 661-3209, 80 GB
• 661-3266, 160 GB (CTO)
• Memory, 333 MHz, DDR
• 661-3322, 512 MB
The RAM expansion modules used in the eMac (USB 2.0) computers are 184-pin SDRAM 
DIMMs (dual inline memory modules) that are 2.5 V, unbuffered, 8-byte, non-parity, and 
PC2700 compliant. The speed of the SDRAM devices must be rated at 167 MHz (7 ns) or 
faster.
Important:
  The memory expansion cards (DIMMs) must use SDRAM devices as specified 
above. DIMMs for previous models of eMac or DIMMs that use EDO or SGRAM devices will not 
work. If they are installed, the computer will beep, and the power light will flash several 
times when you turn on the computer. This indicates that the computer cannot find any 
useable RAM.