IBM 2658 Hardware Maintenance Manual - Page 49

Incorrect Drive B, DMA Test Failed

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Error Code 02B2 02B3 02D0 02F0: 02F4: Message Incorrect Drive A type - run SETUP Incorrect Drive B type - run SETUP System cache error- Cache disabled CPU ID: EISA CMOS not writeable Meanings Comment or Action Type of floppy drive Diskette Drive A: not correctly identified in Setup Type of floppy drive Diskette Drive B: not correctly identified in Setup RAM cache failed and BIOS disabled the cache. On older boards, check the cache jumpers. You may have to replace that cache. See your dealer. A disabled cache slows system performance considerably. System Board CPU socket number for Multi-Processor error. ServerBIOS2 test error: Cannot write to EISA CMOS. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Replace the backup battery 02F5: DMA Test Failed 02F6: Software NMI Failed 02F7: Fail-Safe Timer NMI Failed device Address Conflict 3. System Board ServerBIOS2 test error: Cannot write to extended DMA (Direct Memory Access) registers. 1. DIMM 2. System Board ServerBIOS2 test error: Cannot generate software NMI(Non-Maskable Interrupt). 1. DIMM 2. System Board ServerBIOS2 test error: Fail-Safe Timer takers too long. 1. DIMM 2. System Board Address conflict for specified device. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery 3. System Board MT 2658/2659/2677 43

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Error
Code
Message
Meanings
Comment or
Action
02B2
Incorrect Drive A
type
—
run
SETUP
Type of floppy drive
A: not correctly
identified in Setup
Diskette Drive
02B3
Incorrect Drive B
type
—
run
SETUP
Type of floppy drive
B: not correctly
identified in Setup
Diskette Drive
02D0
System cache
error- Cache
disabled
RAM cache failed
and BIOS disabled
the cache. On older
boards, check the
cache jumpers. You
may have to
replace that cache.
See your dealer. A
disabled cache
slows system
performance
considerably.
System Board
02F0:
CPU ID:
CPU socket
number for
Multi-Processor
error.
02F4:
EISA CMOS not
writeable
ServerBIOS2 test
error: Cannot write
to EISA CMOS.
1. Load Setup
Defaults in
IBM BIOS
Setup Utility.
2. Replace
the backup
battery
3. System
Board
02F5:
DMA Test Failed
ServerBIOS2 test
error: Cannot write
to extended DMA
(Direct Memory
Access) registers.
1. DIMM
2. System
Board
02F6:
Software NMI
Failed
ServerBIOS2 test
error: Cannot
generate software
NMI(Non-Maskable
Interrupt).
1. DIMM
2. System
Board
02F7:
Fail-Safe Timer
NMI Failed
ServerBIOS2 test
error: Fail-Safe
Timer takers too
long.
1. DIMM
2. System
Board
device Address
Conflict
Address conflict for
specified device.
1. Load Setup
Defaults in
IBM BIOS
Setup Utility.
2. Backup
battery
3. System
Board
MT 2658/2659/2677
43