Dell Dimension XPS T___ - Manual (Page 30)

ISA expansion-card connector data width (maximum) 16 bits
Memory
Architecture ECC or non-ECC SDRAM modules
DIMM sockets three; gold contacts
DIMM capacities 32, 64, 128, and 256 MB
Minimum RAM 64 MB (non-ECC)
Maximum RAM 768 MB
Frequency 100 MHz
Clock cycle 10 ns (supports 4 clocks only)
CAS latency three
SPD revision 1.2A
Buffering unbuffered
Voltage 3.3 V
Data bus width 8 bits
BIOS address E8000h - FFFFFFh
NOTE: Only 100-MHz DIMMs are supported. The system can include both ECC and non-ECC memory; however, to support ECC, all
installed DIMMs must be ECC-capable. ECC DIMMs have an odd number of memory chips on the module and non-ECC DIMMs have
an even number of chips.
Drives
Mini tower chassis:
Externally accessible bays five total: two 5.25-inch bays for diskette, tape, or CD-ROM drives; three 3.5-
inch bays for diskette or tape drives
Internally accessible bays two bays for 1-inch-high EIDE or SCSI hard-disk drives
Desktop chassis (available only in certain locations):
Externally accessible bays four total: two 5.25-inch for diskette, tape, or CD-ROM drives; two 3.5-inch bays
for diskette or tape drives
Internally accessible bays two bays for 1-inch-high EIDE or SCSI hard-disk drives
Ports
Externally accessible:
Serial (DTE) 9-pin connector; 16550C-compatible
Parallel 25-hole connector (bidirectional)
PS/2-style keyboard 6-pin mini-DIN connector
PS/2-compatible mouse 6-pin mini-DIN connector
MIDI/game* 15-pin connector
Video 15-hole connector on an AGP video card
Audio* three miniature jacks for LINE IN, LINE OUT, and MIC IN
USB two USB-compliant connectors
Internally accessible:
Primary EIDE 40-pin connector