Diagnostic Test Details - Ricoh G031 Service Manual

4.8.4 DIAGNOSTIC TEST DETAILS

Item
Always executed
VR4300 (CPU) Timer
Code ROM
Resident DRAM
VR4300 Exception
VR4300 Cache
VR4300 FPU
ASIC Timer
NVRAM
ASIC P1284
ASIC Engine I/F
Font ROM
ASIC PVDMA
Executed if they are installed
Optional SIMM
HDD
NIB
RS232C Loopback Test
The option tests are executed only if these devices are detected.
The parallel and the RS232C loopback tests require the loopback connectors to be
connected. If these connectors are not attached, the tests for these components
will result in an error.
SM
Mode
Normal Detail
 
Tests the timer of the CPU
 
Tests the code ROM
 
Tests the resident DRAM
 
Tests the exception interrupt function of
the CPU
 
Tests the cache memory of the CPU
 
Teats the FPU of the CPU
 
Tests the timer of the ASIC
 
Tests the NVRAM
 
Tests the parallel interface (IEEE1284)
 
Tests the engine control board I/F of the
ASIC
 
Tests the font ROM
 
Tests the PVDMA of the ASIC
 
Tests the SIMM
 
Tests the HDD
 
Tests the NIB
 
Makes a serial interface loopback test
(RS232C)
4-27
DIAGNOSTIC TEST MODES
Function
G031/G032