Dell Dimension 2100 - Manual (Page 28)

Architecture non-ECC SDRAM 168-pin modules
Memory sockets two; gold contacts
Memory capacities 64, 128, 256, and 512 MB
Minimum memory
1 64 MB for Microsoft ® Windows® 98, Windows Millennium Edition (Me), and Windows 2000;
128 MB for Windows XP
Maximum memory
1 512 MB
Frequency 100 MHz
NOTE: Your computer may have either PC 100 or shared 2 PC 133-SDRAM modules at
100 MHz installed. Do not mix these two module types in the computer. To see which
memory type is installed in your computer, inspect the label on the memory module.
Clock cycle 10 ns (supports four clocks only)
CAS latency three
SPD revision 1.2
Buffering unbuffered
Voltage 3.3 V
Data bus width 64 bits
BIOS address F0000h
1 Video memory uses 1 or 2 MB of system memory (RAM). Total RAM reported is 1 or 2 MB less than RAM installed.
2 Up to 11 MB of system memory may be allocated to support DVMT Graphics.
Drives
Externally accessible one 5.25-inch bay and two 3.5-inch bays
Internally accessible one bay for 1-inch-high IDE hard drive
Ports
Externally accessible
Serial (DTE) 9-pin connector; 16550C-compatible
Parallel 25-hole connector (bidirectional)
Video 15-hole connector
PS/2-style keyboard 6-pin mini-DIN connector
PS/2-compatible mouse 6-pin mini-DIN connector
USB two USB-compliant connectors
Internally accessible
Primary IDE 40-pin connector on PCI bus
Secondary IDE 40-pin connector on PCI bus
Floppy drive 34-pin connector
Video