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2.2
Major Components
The system board has the following major components:
•
One zero-insertion force (ZIF) socket for Intel Pentium processor
•
Three memory banks (Bank 1 to Bank 3) composed of six 72-pin SIMM
sockets
•
Synchronous cache module socket that supports 512 KB second-level write
back cache
•
Three EISA and four PCI expansion slots
•
RTC chip that contains clock/calendar plus 128 bytes CMOS RAM with
battery backup
•
50-pin Fast SCSI-II and 68-pin Fast/Wide SCSI interfaces
•
IDE and diskette drive interfaces
•
Power connector for 200-watt switching power supply
•
Onboard VGA chipset with 1 MB DRAM
•
External ports:
•
PS/2 ® compatible keyboard port
•
PS/2 ® compatible mouse port
•
9- and 25-pin high speed serial ports
•
Parallel port supporting EPP/ECP
AcerAltos 900 User's Guide
2-2
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