Gateway E-9722R User Manual
CHAPTER 6: Troubleshooting
70
DIM code checkpoints
The Device Initialization Manager (DIM) gets control at various times during BIOS POST to initialize
different system buses. The following table describes the main checkpoints where the DIM module
is accessed.
different system buses. The following table describes the main checkpoints where the DIM module
is accessed.
ACPI runtime checkpoints
ACPI checkpoints are displayed when an ACPI-capable operating system either enters or leaves
a sleep state. The following table describes the types of checkpoints that may occur during ACPI
sleep or wake events:
a sleep state. The following table describes the types of checkpoints that may occur during ACPI
sleep or wake events:
BIOS
The settings in the BIOS Setup utility are not retained
•
Optical drive
Your server does not recognize an optical drive
•
Restart your server, then open the BIOS Setup utility by pressing and holding F2 while your
server restarts. Make sure that the IDE controllers are enabled. For more information, see
server restarts. Make sure that the IDE controllers are enabled. For more information, see
.
•
Reinstall the device driver. For instructions, see Using Your Server Companion DVD.
Checkpoint
Description
2A
Initialize different buses and perform the following functions:
■
Reset, Detect, and Disable (function 0) — Disables all device
nodes, PCI devices, and PnP ISA cards. It also assigns PCI
bus numbers.
nodes, PCI devices, and PnP ISA cards. It also assigns PCI
bus numbers.
■
Static Device Initialization (function 1) — Initializes all static
devices that include manual configured onboard
peripherals, memory and I/O decode windows in PCI-PCI
bridges, and noncompliant PCI devices. Static resources
are also reserved.
devices that include manual configured onboard
peripherals, memory and I/O decode windows in PCI-PCI
bridges, and noncompliant PCI devices. Static resources
are also reserved.
■
Boot Output Device Initialization (function 2) — Searches
for and initializes any PnP, PCI, or AGP video devices.
for and initializes any PnP, PCI, or AGP video devices.
38
Initialize different buses and perform the following functions:
■
Boot Input Device INitialization (function 3) — Searches for
and configures PCI input devices and detects if system has
standard keyboard controller.
and configures PCI input devices and detects if system has
standard keyboard controller.
■
IPL Device Initialization (function 4) — Searches for and
configures all PnP and PCI boot devices.
configures all PnP and PCI boot devices.
■
General Device Initialization (function 5) — Configures all
onboard peripherals that are set to an automatic
configuration and configures all remaining PnP and PCI
devices.
onboard peripherals that are set to an automatic
configuration and configures all remaining PnP and PCI
devices.
Checkpoint
Description
AC
First ASL checkpoint. Indicates that the system is running in
ACPI mode.
ACPI mode.
AA
System is running in APIC mode.
01, 02, 03, 04, 05
Entering sleep state S1, S2, S3, S4, or S5.
10, 20, 30, 40, 50
Waking from sleep state S1, S2, S3, S4, or S5.