Acer Aspire 4738 Service Manual page 27

CPU Fan True Value Table (TJ90)
Fan On (Celsius)
35
45
55
65
82
87
Throttling 50%: On= 87°C; OFF=82°C
OS shut down at 90°C; H/W shut down at 90°C; VGA Shutdown: 105°C
System Memory
Item
Memory controller
Memory size
DIMM socket number
Supports memory size per socket
Supports maximum memory size
Supports DIMM type
Supports DIMM speed
Supports DIMM voltage
Supports DIMM package
Memory module combinations
System Board Major Chips
Item
Core logic
VGA
LAN
USB 2.0
Super I/O controller
Bluetooth
Wireless
PCMCIA
Audio codec
Card reader
Chapter 1
Fan Off (Celsius)
30
40
50
60
70
84
Intel Arrandale
0MB (no on-board memory)
2 sockets
4GB maximum per one DIMM
8192 MB
DDR 3 Synchronous DRAM
Up to DDR3 1066/1333 MHz
1.5V +/- 0.075V
989-pin Micro-FCPGA
You can install memory modules in any combinations as long as
they match the above specifications.
Intel® Ibex-Peak (HM55)
Build in Intel Arrandale CPU
BRM 57780
Ibex Peak-M
NPCE781
Ibex Peak-M
Ibex Peak-M
N/A
ALC272X
AU6437-GBL
RPM
2800
3100
3400
3800
4200
5V
Specification
Specification
17