HP 9000 Series Service Manual

Chapter 6 6-7
D270/D370, D280/D380/R380 and D390/R390 Front Panel LCD Codes
TEST 20D3 Loop on memory write selftest
TEST 20D4 Loop on I/O write selftest
TEST 20D5 Loop on data cache noise selftest
WARN 20D6 Data cache noise error occurred
TEST 20D7 Loop on instruction cache noise selftest
TEST 20D8-20D9 Instruction cache noise error occurred
TEST 20DD Starting data cache alternate read 3 selftest
TEST 20EE Starting extra instruction cache RAM selftest
TEST 20FF Starting extra data cache RAM selftest
FLT 2xB1 Data cache parity error in tag
FLT 2xB2 Data cache odd parity error in the tag
FLT 2xB3 Data cache even parity error in the data
FLT 2xB4 Data cache odd parity error in the data
TEST 2xD1 Loop on memory read
TEST 2xD2 Loop on I/O read
TEST 2xD3 Loop on memory writes
TEST 2xD4 Loop on I/O writes
Ostat Code Description (Where x = CPU number)

HP 9000 Series Specifications

General

Operating System	HP-UX
Manufacturer	Hewlett-Packard (HP)
Series	9000
Type	Server
Processor	PA-RISC
Memory	Varies by model
CPU	PA-RISC processors
Expansion Slots	Varies by model
Networking	Ethernet
Form Factor	Rackmount
Models	A-Class, D-Class, E-Class, K-Class, N-Class, RP Series, Superdome