Acer Extensa 4220 TravelMate 4320/4720 and Extensa 4220/4620 Service Guide - Page 43

Hard Disk Drive Interface Item Voltage tolerance Specification 5V(DC) +/5% 5V(DC) +/5% 5V(DC) +/5% 5V(DC) +/5% 5V(DC) +/5% 5V(DC) +/5% BIOS Item BIOS vendor BIOS Version Supported protocols Specification Phoenix v0.25 ACPI 1.0b/2.0/3.0 compliance, PCI 2.2, System/HDD Password Security Control, INT 13h Extenstions, PnP BIOS 1.0a, SMBIOS 2.4, BIOS Boot Specification, Simple Boot Flag 1.0, Boot Block, PCI Bus Power Management Interface Specification, USB Specification 1.1/2.0, IEEE 1394 1.0, USB/1394 CD-ROM Boot Up support, PC Card Standard 1995 (PCMCIA 3.0 Compliant Device), IrDA 1.0, HD audio, WfM 2.0, Preboot Execution Environment 2.1, Boot Integrity Service Application Program Interface (BIS) 1.0, PC2002/2005 compliant, Intel Enhanced SpeedStep Technology, Intel DPST support, ASF 2.0, TPM v1.2, AHCI support, iAMT 2.5 System Memory Item Memory controller DIMM socket number Supports maximum memory size Supports DIMM type Supports DIMM Speed Specification Intel GM965 Express chipset 2 sockets 2 GB for 32 bit OS, 4 GB for 64bit OS DDR2 Synchronous DRAM 533/677 MHz Video Item VGA controller Features Audio Item Audio controller Features PCMCIA Port Item PCMCIA controller Card type support Number of slot Chapter 1 Specification Intel GM965 Express chipset with integrated 3D graphics Intel Graphic Media Accelerator (GMA) X3000 with up to 256 MB of Intel Dynamic Video Memory Technology 4.0 (8MB of dedicated system memory, up to 256MB of shared system memory), supporting Microsoft DirectX 9 and DirectX 10 Specification Realtek ALC268 Codec Two built-in Acer 3DSonic stereo speakers, Supports high definition audio, Built-in microphone, MS-sound compatible Specification TI7412 Type-II One 33