Controller Self-Diagnostics; Overview - Aficio AP3800C Service Manual

CONTROLLER SELF-DIAGNOSTICS

5.5 CONTROLLER SELF-DIAGNOSTICS

5.5.1 OVERVIEW

There are two types of self-diagnostics for the controller.
• Power-on self-diagnostics: The machine automatically starts the self-diagnostics
just after the power has been turned on.
• SC detection: The machine automatically detects SC conditions at power-on or
during operation.
The following shows the workflow of the power-on and detailed self-diagnostics.
Power ON
No message (Right after
turning on the system)
Memory Installed
xxx MB
Diagnostic Passed
Firmware Version
version number
No message
(Flashing LCD)
Initializing
Internal Test
Calibrating
Ready
The messages
depend on the memory capacity and the firmware
version respectively.
While the message
displayed, the following tests and checks are
conducted:
• Memory Test
• Memory Speed Test
• CPU Tick Test
• System Timer Test
• BX Host Bridge Test
• BX PCI-PCI Bridge Test
• PIIX4 PCI-ISA Bridge Test
• 21152 PCI-PCI Bridge Test
• IX Test
• Parameter Flash R/W Test
• Strata Flash R/W Test
• Strata Flash Boot Block Integrity Test
• Strata Flash File System Integrity Test
• Ethernet Test
• Video 0 Test
• Video 1 Test
• Vide 2 Test
• Vide 3 Test
• Disk Identify
• Disk Read/Write Test
• Disk Read Capability Test
• Disk Write Capability Test
• Disk Data Format Check
• Memory Config Check
G082S902.WMF
xxx MB
Diagnostic Passed
5-10
26 April, 2002
and version number
is