At 5:52 PM -0800 2/1/2012, fickit1time wrote:
Hello everybody- Just bought my first MAC today.
Congrats!
Picked it up for cheap. According to it's serial number and from cross
checking on a mac site(not sure if i'm allowed to post links)
Links are fine, as long as they're to the point, and it's just the
link - no embedding 'em in html (these LEM lists require plain text
postings). We do lowendmac and everymac links quite often.
Powermac G4 MDD 1.0ghz.
Great machine!
http://www.everymac.com/systems/apple/powermac_g4/index-powermac-g4.html
http://www.everymac.com/systems/apple/powermac_g4/stats/powermac_g4_1.0_mdd.html
So I plug in the power cord and install 256mb pc2100 memory and hit
the ON button. The mac just gives one Loud Beep and then nothing, no
image on the screen.
A single beep or a full bong?
The later indicates successful completion of the Power-On Self Test.
PMU, CPU, buses, ram, etc all good.
A single beep indicates a problem with the memory.
Video circuitry is initialized after the self-test passes, so getting
nada on the screen after an error beep would be expected.
I've taken out the memory and tried it again and the same thing occurs.
Make doubly sure you've go the right type of memory. Macs are picky!
(see below)
Try different slots.
Try cleaning the slots and sticks.
Try disconnecting other things, eg the HD, optical drive, etc.
I'm assuming that this means the memory isn't recognizable and the mac
probably needs pc2700 memory.
The everymac page says PC2100 or PC2700. I'm pretty sure 3200 will
work; the system will just run it slower.
According to the Apple manual:
\\\\\
DIMMs used in this computer must fit these specifications:
* PC2100 SDRAM DDR266 DIMMs for 133 MHz systems
* PC2700 SDRAM DDR333 DIMMs for 167 MHz systems
Important:
Make sure that the memory installed on the logic board is
compatible with the system.
* 128, 256, or 512 MB DIMMs
256 MB DIMMs must have 128 or 256 megabit (Mbit) technology devices; 512 MB
DIMMs must have 256 Mbit devices
* 2.5 volt
* 64-bit wide, 184-pin module
* unbuffered (do not use registered or buffered DRAM)
/////
HTH,
- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.
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