Dell Dimension XPS D Series Reference And Troubleshooting Manual page 138

A-2 Dell Dimension XPS D xxx Systems Reference and Troubleshooting Guide
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AGP expansion-card connectors . . . . . . . . one
AGP expansion-card connector size . . . . . 120 pins
AGP expansion-card connector data
width (maximum) . . . . . . . . . . . . . . . . . . . 32 bits
PCI expansion-card connectors . . . . . . . . . four (one shares a card-slot opening with
PCI expansion-card connector size . . . . . . 120 pins
PCI expansion-card connector data
width (maximum) . . . . . . . . . . . . . . . . . . . 32 bits
ISA expansion-card connectors . . . . . . . . . two (one shares a card-slot opening with a
ISA expansion-card connector size . . . . . . 98 pins
ISA expansion-card connector data
width (maximum) . . . . . . . . . . . . . . . . . . . 16 bits
System clock . . . . . . . . . . . . . . . . . . . . . . . 66 MHz (matches external processor
Diskette/communications ports . . . . . . . . 24 MHz from the system clock
1 . . . . . . . . . . . . . . . . . . . . . . . ECC or non-ECC SDRAM modules
Architecture
DIMM sockets. . . . . . . . . . . . . . . . . . . . . . three; gold contacts
DIMM capacities . . . . . . . . . . . . . . . . . . . . 16, 32, 64, and 128 MB
Standard RAM . . . . . . . . . . . . . . . . . . . . . 32 MB (non-ECC)
Maximum RAM. . . . . . . . . . . . . . . . . . . . . 384 MB
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . 66 MHz
Clock cycle . . . . . . . . . . . . . . . . . . . . . . . . 15 ns (supports 2- or 4-clock DIMMs)
CAS latency . . . . . . . . . . . . . . . . . . . . . . . . two clocks
SPD revision (minimum) . . . . . . . . . . . . . . 1.0
Buffering . . . . . . . . . . . . . . . . . . . . . . . . . . unbuffered
1
The system must consist of either all ECC or all non-ECC memory.
NOTE: The Glossary in the Online Guide defines abbreviations and acronym s.
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an ISA connector)
PCI connector)
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speed)
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