Gateway E-9425R User Manual download pdf (Page 81)

www.gateway.com

In determining the code, Off = 0 and On = 1. Based on this, you can determine the corresponding

hex code. Then, by checking “POST code checkpoints” on page 75, “Bootblock initialization code

checkpoints” on page 77, “Bootblock recovery code checkpoints” on page 78, “DIM code

checkpoints” on page 79, and “ACPI runtime checkpoints” on page 79, you can find out where

an error is taking place.

For example, if a hex code of 0B is indicated, you can detemine that the server cannot detect

the PS/2 mouse. You can then take measures, such as reinserting the mouse, to solve the

problem.

All LEDs are cleared and restored to normal status after the server is power cycled.

POST code checkpoints

The following table shows the checkpoints, LED codes, and task description of events that may

occur during the POST portion of the BIOS:

Check

point

Description

03 Disable NMI, Parity, video for EGA, and DMA controllers. Initialize BIOS, POST,

Runtime data area. Also initialize BIOS modules on POST entry and GPNV area.

Initialized CMOS as mentioned in the Kernel Variable “wCMOSFlags.”

04 Check CMOS diagnostic byte to determine if battery power is OK and CMOS

checksum is OK. Verify CMOS checksum manually by reading storage area. If the

CMOS checksum is bad, update CMOS with power-on default values and clear

passwords. Initialize status register A.

Initialize data variables that are based on CMOS setup questions. Initialize both the

8259 compatible PICs in the system.

05 Initialize the interrupt controller in hardware (generally PIC) and interrupt vector

table.

06 Do R/W test to CH-2 count reg. Initialize CH-0 as system timer. Install the

POSTINT1Ch handler. Enable IRQ-0 in PIC for system timer interrupt.

Trap INT1Ch vector to “POSTINT1ChHandlerBlock.”

08 Initialize the CPU. The BAT test is being done on KBC. The keyboard controller

command byte is being programmed after Auto detection of KB/MS using AMI

KB-5.

C0 Early CPU Init Start — Disable Cache - Init Local APIC

C1 Set up boot strap processor information.

C2 Set up boot strap processor for POST.

C5 Enumerate and set up application processors.

C6 Re-enable cache for boot strap processor.

C7 Early CPU Init Exit.

0A Initialize the 8042 compatible keyboard controller.

0B Detect the presence of PS/2 mouse.

0C Detect the presence of keyboard in KBC port.

0E Testing and initialization of different input devices. Also, update the Kernel

Variables.

Trap the INT09h vector, so that the POST INT09h handler gets control for IRQ1.

Uncompress all available language, BIOS logo, and Silent logo modules.

13 Early POST initialization of chipset registers.

24 Uncompress and initialize any platform specific BIOS modules.

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 117 118

Comments to this Manuals

No comments

Gateway E-9425R User Manual Page 81

Comments to this Manuals

Related products and manuals for Servers Gateway E-9425R