Major Components - Acer 900 User Manual

1.2

Major Components

The system board has the following major components:
One zero-insertion force (ZIF) socket for Intel P54C or P55C
CPU
Three memory banks (Bank 1 to Bank 3) composed of six 72-pin
SIMM sockets
Synchronous cache module socket that supports 256 KB and
512 KB second-level cache
Three EISA and four PCI expansion slots
256-KB Flash ROM for system BIOS
RTC chip that contains clock/calendar plus 128 bytes CMOS
RAM with battery backup
50-pin Fast SCSI-II and 68-pin Wide SCSI interfaces
Two 24-pin RDM interfaces
IDE hard disk and diskette drive interfaces
Onboard VRAM plus a VRAM socket for video memory upgrade
Power connector for 200-watt switching power supply
I/O, SCSI, VGA, memory, and ASM Pro controller chipsets
External ports:
PS/2-compatible keyboard port
PS/2-compatible mouse port
1-2 User's Guide