Dell Studio 1555 (Early 2009) - Manual (Page 56)

54
Basic Specifications
Computer Information
System Chipset
Intel GM45/PM45 +
ICH9M
Data bus width 64 bits
DRAM bus width dual channel (2)
64-bit buses
Processor address
bus width
32 bits
Flash EPROM 2 MB
Graphics bus PCI-E X16
PCI bus 32 bits
Communications
Modem type
External V.92 56K USB
Modem
Modem controller Hardware Modem
Communications
Modem interface
Universal Serial Bus
(USB)
Network adapter 10/100/1000 Ethernet LAN
on system board
Wireless 1 x half Mini-Card for
WLAN for basic config
2 x full Mini-Cards
(Optional)
WWAN ExpressCard
Card with Bluetooth
®
wireless technology
Video
Discrete
Video type
integrated on system board
Video controller ATI Mobility Radeon HD 4570
Video memory
GDDR3 256MB/512MB