Dell Latitude D531 (Mid 2007) - Manual (Page 142)

142 Specifications
Cards supported 3.3-V and 5-V PC Cards
1.5-V ExpressCards (with adapter)
PC Card connector size 68 pins
Data width (maximum) PCMCIA 16 bits
CardBus 32 bits
Memory
Memory module connector
two user-accessible SODIMM sockets
Memory module capacities 512 MB, 1 GB, and 2 GB
Memory type 533/667-MHz DDR2 SDRAM
(single channel and dual channel compatible)
Minimum memory 512 MB
Maximum memory 4 GB
Ports and Connectors
Serial
9-pin connector; 16550C-compatible,
16-byte buffer connector
Audio microphone miniconnector, stereo headphones/speakers
miniconnector
S-video TV-out 7-pin mini-DIN connector (optional adapter cable(s)
with S-video and composite video connectors)
VGA VGA (analog) connector (on computer, and on D/Dock
and D/Port port replicators): supports monitors with
resolutions up to 1920 x 1200 (WUXGA) at 60-Hz
refresh rates for flat-panel displays and 1600 x 1200
(UXGA) at 85-Hz refresh rates for CRT monitors
DVI DVI (digital) connector (through D/Port and D/Dock
port replicators): supports flat panel displays with
resolutions up to 1920 x 1200 (WUXGA) at 60-Hz
refresh rates
USB four 4-pin USB 2.0-compliant connectors
Modem RJ-11 support
IEEE 1394a 4-pin serial connector
Mini-Card one Type IIIA Mini-Card connector
Network adapter RJ-45 port
PC Card (continued)