15 programmable controller (pld), 16 cmos ram and rtc, 17 configuration – Endura RADISYS KP915GV User Manual

Page 31: 18 bios

Advertising
background image

KP915GV Product Manual

31

2.15

Programmable Controller (PLD)

•

Programmable logic device to support configurable system functions

•

Supports software-based updates (including field updates)

•

Supports customizable logic (by RadiSys, not user customizable)

•

Option of 128 or 256 macrocell device (256 for enhanced controller)

•

Controls product write-protect features for BIOS ROM

•

Allows write-protection via software or permanent protection via controller logic

•

Supports write-protect jumper covering update of controller logic (override via ICT)

•

Total of 13 General purpose I/O lines

•

10 signals that can be programmed as inputs and outputs

•

Direction control in three groups with 2, 3 and 5 bits (20:21, 15:17, 10:14)

•

Two signals that are input-only

•

One signal that is output-only

•

Support for character-based LCD panel to display BIOS POST messages and other
information. Displays have an 8-bit parallel interface. Displayed text is the BIOS Port 80
codes in the format: “BIOS Code xx”

2.16

CMOS RAM and RTC

•

256 bytes of CMOS RAM

•

Lithium cell with >5 years operating life

2.17 Configuration

•

Majority of configuration is jumper-less and done through BIOS settings

•

Customer can specify BIOS defaults at manufacture

•

Operating mode jumper selects normal, configure and recovery modes

•

Power supply jumper configures the product to operate with a hard-switched power supply that
must be used when the PSU does not provide 5V on the 5V standby pin

•

Target: jumper-less operation for power supply type

2.18 BIOS

•

Based on Phoenix Award BIOS

•

4Mbit firmware hub BIOS ROM

•

System and (Intel) video BIOS

•

Intel Ethernet remote boot and PXE code

•

Fully customizable including video BIOS

•

ROM can be optionally socketed with write-protect support

•

Silent boot (boot message hiding, logo visible), headless operation support

Advertising