Compaq AlphaServer ES40 - 1.8 Memory Architecture and Options

1-16 Compaq AlphaServer ES40 Service Guide
1.8 Memory Architecture and Options
The system has two 256-bit wide memory data buses, which can move
large amounts of data simultaneously.
Figure 1–9 Memory Architecture
256 Data + 32 Check Bits
Data
Bus 0
MMB2 MMB0 MMB3 MMB1
256 Data + 32 Check Bits
Address Arrays 2 & 3
Address Arrays 0 & 1
Data
Bus 1
C-Chip
To all eight D-ChipsTo all eight D-Chips
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