1.9.2 Supplementary information about DIMMs
Your PCA-6178 can accept SDRAM memory chips (with or without
parity). Also note:
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If the PCA-6178 operates at 100 MHz, only use PC-100/ PC-133-
compliant DIMMs. Most systems will not even boot if non-compli-
ant modules are used. This is due to strict timing issues involved at
this speed.
SDRAM chips are usually thinner and have higher pin density than
EDO chips.
Chips with 9 chips/side support ECC; chips with 8 chips/side do not
support ECC.
Single-sided modules are typically 16, 32 , 64, or 128 MB; double-
sided modules are usually 32, 64, 128, or 256 MB.
Chapter 1 Hardware Configuration
1 9
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