Digital PRIORIS ZX Server
Server Utilities & Configuration
MCS Logistics Engineering - Nijmegen
17
Flash Memory Update Program (PHLASH.EXE)
All servers have BIOS software in a read-only, non-volatile memory (ROM) chip. This BIOS initializes
hardware and boots the operating system when the server is turned on. The BIOS also provides access to
other services such as keyboard and disk drives.
The server comes equipped with flash memory. This means that the server's BIOS can be restored simply
by running the flash memory update utility. The server's BIOS can also be upgraded to future releases by
running the flash memory update utility along with any flash BIOS update diskette if necessary.
The flash memory update program and BIOS updates are available on the Digital Bulletin Board.
The BIOS Configuration Utility is stored in the 512KB Flash memory device and contains compress
configuration/overlay (CFG/OVL) files used to set the various system features. The Configuration Utility
is decompressed into a secure memory location and executed during system boot by pressing [F1] during
the Power On Self Test (POST). By clearing the NVRAM (switch S8C1-1) both the CMOS setup
configuration and NVRAM configuration are reset to factory defaults. These values assume that no hard
drive is installed, an unknown single processor module is installed, but a 3 -inch floppy as drive A: is
present. The clearing of NVRAM assumes the user will immediately execute the Configuration Utility to
fully configure the server.
The BIOS setup displays configuration information is on four pages, which are accessed by using the Page
Up and Page Down keys:
♦
The [F10] key saves the BIOS Setup configuration, exits the Setup utility and reboots the system.
♦
The [F5] function key loads known default configuration values (different then factory/NVRAM
default values) for all four BIOS Setup utility pages for use with a Pentium processor module.
♦
The [F6] function deletes any changes made while in the BIOS Setup utility and goes to the previous
values stored in CMOS before entering Setup via the [F1] key. Although the BIOS Setup utility can
fully configure the system, it is strongly recommended the System Configuration Utility (SCU) be
used to set the system configuration. The System Configuration Utility ensures that the information
located in Flash memory is synchronized with the configuration information stored in CMOS.
Location
Size
Description
FF0000h-FFFFFFh
64K
Compressed Code modules and BIOS Loader
FEC000h-FEFFFh
16K
Boot Block BIOS code
FEA000h-FEBFFFh
8K
(reserved)
FE8000h-FE9FFFh
8K
User Flash Area
FE0000h-FE7FFFh
32K
Compressed Code modules and Language Code
FC0000h-FDFFFFh
8K
Compressed Code modules and Language Code
FA0000h-FBFFFFh
128K
Configuration Utility Block #2
F80000h-F9FFFFh
128K
Configuration Utility Block #1
F00000h-FFFFFFh
512KB
AMI System BIOS core
F0000h-FFFFFh
64K
AMI System BIOS core
EE000h-EFFFFh
8K
BIOS Boot Block
EC000h-EDFFFh
8K
(reserved)
E8000h-EBFFFh
32K
Reserved for I/O ROM; user selectable
E0000h-E7FFFh
32K
Reserved for I/O ROM; user selectable
