Mylex MAE486, Руководство пользователя, Страница: 15 / 71

features
Product overview
Nonvolatile RAM
Math
coprocessor
Jumpers
Connectors
the POST memory count) will be the actual
amount of memory installed minus 384KB.
The configuration of the shadow is achieved
by the BIOS installed on the MBE486 or by other
user-supplied The shadow must
be enabled by the system SETUP program for the
BIOS. The SETUP utility provided by Phoenix
BIOS, for example, has two entries that can be
used to enable this feature; some earlier versions
of the Phoenix BIOS always keep the video
shadow enabled, regardless of the option
selected. (For more information, refer to the
manual for the BIOS installed in the system.)
This memory is programmed by the EISA con-
figuration utility and is used by the EISA Power
On Self Test (POST) routine of the BIOS. If the
configuration memory has not been pro-
grammed, the POST routine will indicate an
error. This is correct operation and does not in-
dicate a board defect.
The MBE486 external math
coprocessor. The 80486 provides all of the
functions of the Intel 80387.
The MBE486 automatically senses the presence
of the memory installed. There are no
that
The MBE486 provides a connector for the turbo
light, keyboard lock/power, reset, and speaker.
No external battery is required. The basic
SETUP and EISA databases are stored in non-
volatile modules. For more information,
refer to Chapter 2.
Installation and Operation Guide l-5