Acer TravelMate 4220 Service Manual page 42

System Memory
Item
Memory controller
Memory size
DIMM socket number
Supports memory size per slot
Supports maximum memory size
Supports DIMM type
Supports DIMM Speed
Supports DIMM voltage
Memory module combinations
.
LAN Interface
Supports LAN protocol
LAN chip
LAN connector type
LAN connector location
.
Wireless LAN
Card Type
Mode
Antenna
Support
.
Modem Interface
Data modem data baud rate (bps)
Supports modem protocol
Modem connector type
Modem connector location
VGA
Notice
Chipset for suitable VGA type
Video RAM
36
945GM/945PM/940GML
256MB/512MB/1GB
2
1024 MB
2GB (with dual soDIMM modules)
DDRII SDRAM Standard
533/667 MHz
1.8V
You can install memory modules in any combinations as long as
they match the above specifications.
Item
Item
Item
Discrete
64/128MB
Specification
Specification
10/100 Mbps Fast Ethernet connection
RTL8100CL
RJ45
Rear side
Specification
Mini-card/Mini-PCI
802.11 a/b/g
802.11 b/g
Built in 2 antenna(PIFA type)
Wi-Fi, WPA2, WMM, CCX V3/V4
Specification
56K ITU
V.90/V.92 AC-Link modem with PTT
approval
Wake-on-Ring ready
RJ11
Rear side
945PM 945GM/940GML
UMA
up to 256MB
Chapter 1