Message Description | HP 2115EU, 2500, 2183AF, 2182US, 2182AT, 2182AF

Message	Description
02D0 System cache error—	RAM cache failed and BIOS disabled the cache May require replacing the
Cache disabled	motherboard A disabled cache slows system performance considerably
02F0: CPU ID	CPU socket number for Multi-Processor error
02F4: EISA CMOS Not	ServerBIOS2 test error: Cannot write to EISA CMOS
Writeable
02F5: DMA Test Failed	ServerBIOS2 test error: Cannot write to extended Direct Memory Access
	(DMA) registers
02F6: Software NMI Failed	ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt
	(NMI)
02F7: Fail-Safe Timer NMI	ServerBIOS2 test error: Fail-safe timer takes too long
Failed
device Address Conflict	Address conflict for the specified device
Allocation Error for: device	Run ISA or EISA Configuration Utility to resolve a resource conflict for the
	specified device
CD ROM Drive	CD-ROM drive identified
Entering SETUP	Starting BIOS Setup
Failing Bits: nnnn	Hex number nnnn is a map of the bits at the RAM address that failed the
	memory test Each
	1 (one) in the map indicates a failed bit See errors 230, 231, or 232 above for
	offset address
	of the failure in System, Extended, or Shadow memory
Fixed Disk n	Fixed disk n (0–3) identified
Invalid System	Problem with NVRAM (CMOS) data
Configuration Data
I/O device IRQ conflict	I/O device IRQ conflict error
PS/2 Mouse Boot Summary	PS/2 mouse installed
Screen:
nnnn kB Extended RAM	Where nnnn is the amount of RAM in KB successfully tested
Passed

nnnnCache SRAM Passed Where nnnn is the amount of system cache in KB successfully tested

nnnn KB Shadow RAM	Where nnnn is the amount of shadow RAM in KB successfully tested
Passed
nnnn KB System RAM	Where nnnn is the amount of system RAM in KB successfully tested
Passed
Operating system not	Operating system cannot be located on drive A: or drive C: Enter BIOS Setup
found	and see if the hard disk and drive A: are properly identified

Parity Check 1 nnnn	Parity error found in the system bus BIOS attempts to locate the address and
	display it on the screen Parity is a method for checking errors in binary data A
	parity error indicates that data
	has been corrupted
Parity Check 2 nnnn	Parity error found in the I/O bus BIOS attempts to locate the address and
	display it on the screen

Service Manual

Troubleshooting and Diagnostics

3-29

2547EA, 2550CA, 2552AI, 2541AH, 2543AH specifications

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To sum up, the HP 2135US represents a blend of performance, connectivity, and design sophistication. Its comprehensive set of features makes it an excellent choice for users seeking an all-in-one solution for both work and play, proving itself to be a worthy addition to any modern workspace or home office setup.

Message

Description

Failing Bits: nnnn

Parity Check 1 nnnn

Parity Check 2 nnnn

2547EA, 2550CA, 2552AI, 2541AH, 2543AH specifications