American Megatrends Enterprise-III User Manual page 13

Specifications,
Continued
SRAM Type
The Enterprise-III EISA Local Bus motherboard uses 15 ns 32 KB x 8 SRAM DIPs for cache memory.
ROM
The Enterprise-III EISA motherboard has 128 KB of Read Only Memory in a Flash EPROM used for the
system BIOS at E0000h - FFFFFh. The AMIFlash Utility programs the Flash EPROM. AMIFlash is
provided with the Enterprise-III motherboard.
Shadow RAM
AMIBIOS Setup allows you to selectively shadow the 128 KB system BIOS, video BIOS (in 32 KB
increments), or Adaptor ROM BIOS (in 32 KB increments) in ADVANCED CMOS SETUP in AMIBIOS
Setup.
System BIOS
The Enterprise-III EISA motherboard uses a customized AMIBIOS system BIOS with a built-in Setup
configuration utility and hard disk drive utilities. Via AMIBIOS Setup, you can configure up to two user-
definable hard disk drive types. You can easily configure systems with no video monitor, keyboard, or
floppy disk drives in STANDARD CMOS SETUP.
CMOS RAM
The Enterprise-III has 128 bytes of standard ISA CMOS RAM to store system configuration data. ISA
CMOS RAM, the real time clock, and the battery are on the Dallas DS1488 CMOS RAM/RTC chip. The
Enterprise-III EISA motherboard also includes an additional 8 KB of EISA Extended CMOS RAM.
Chapter 2 Enterprise-III Description
8