Troubleshooting General/SDRAM Do’s and Don’ts - 18
SDRAM Do’s and Don’ts
Note:
The Power Macintosh G3/Macintosh Server G3 (Blue and
White) can only use PC-100 SDRAMs, which include a sticker
that clearly shows “PC-100.” Sizes of 32 MB, 64 MB, 128 MB
in 64 Mbit technology are qualified; sizes of 128 MB and 256 MB
in 128 Mbit technology are qualified.
Make sure the SDRAMs are
• PC-100 SDRAM
• 3.3 Volt unbuffered
only
• 168 pin modules
• maximum DIMM height
≤
2.0 inches
• data width = 64 bits wide
The SDRAMs must also contain a correctly programmed Serial
Presence Detect ROM (256 bytes).
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