Hewlett-Packard 1155 Illustrated Parts & Service Map
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HP 1155
All-in-One Business PC 730784-001 page 3
Password Security and CMOS
Establishing a Setup or Power-On password
1. Turn on or restart the computer.
2. As soon as the computer turns on, press the Esc key while “Press the ESC key for
Startup Menu” message is displayed at the bottom of the screen.
3. Press the F10 key to enter Computer Setup.
4. To establish Setup password, select Security > Setup Password and follow the
instructions.
- or -
To establish a Power-On password, select Security > Power-On Password and
follow the instructions on the screen
5. Before exiting, click File > Save Changes and Exit.
Resetting a Setup or Power-On password
1. Turn off the computer and disconnect the power cord from the power outlet.
2. Remove the access panel.
3. On the system board, locate the header labeled CLR PASSWORD.
4. Remove the jumper and place it on pins 1 and 2.
5. Wait for three seconds, and then replace the jumper to its original position (pins 2
and 3).
6. Replace the access panel and reconnect the power cord.
7. Turn on the computer and allow it to start.
Resetting CMOS
1. Turn off the computer and disconnect the power cord from the power outlet.
2. Remove the access panel.
3. On the system board, locate the header labeled CLR CMOS.
4. Remove the jumper and place it on pins 2 and 3.
5. Wait for three seconds, and then replace the jumper to its original position (pins 1
and 2).
6. Replace the access panel and reconnect the power cord.
7. Turn on the computer and allow it to start.
Advanced
(continued)
Bus Options - Allows you to enable/disable PCI SERR# Generation and
PCI VGA palette snooping.
Onboard Devices - Allows you to set resources for or disable on-board
system devices.
Device Options - Allows you to set:
• Printer mode (Bi-Directional, EPP + ECP, Output Only)
• Num Lock State at Power-on (off/on)
• Integrated Video (enable/disable)
• Integrated Graphics (Auto/Disable/Force)
• Internal Speaker (enable/disable)
• NIC PXE Option ROM Download (enable/disable)
• SATA RAID Option ROM Download (enable/disable)
• Multi-Processor (enable/disable)
• Hyper-threading (enable/disable)
• Turbo Mode (enable/disable)
VGA Configuration - Allows you to specify which VGA controller is the
“boot”/primary. Displayed only if add-in video card installed.
AMT Configuration - Allows you to set:
• AMT (enable/disable)
• Unconfigure AMT/ME (enable/disable)
• Hide Unconfigure ME Confirmation Prompt (enable/disable)
• Watchdog Timer (enable/disable)
Common POST Error Messages
Screen
Message Probable Cause Recommended Action
101-Option ROM
Error
System ROM or expansion
board option ROM check-
sum.
1. Verify ROM, reflash if required
2. Remove recently added cards to see if
problem remains.
3. Clear CMOS. If message disappears, may
be card problem.
4. Replace system board
103-System Board
Failure
DMA or timers 1. Clear CMOS memory.
2. Remove expansion boards.
3. Replace system board.
163-Time & Date
Not Set
Invalid time or date in con-
figuration memory.
RTC battery may need to be
replaced.
Reset the date and time under Control Panel
(Computer Setup can also be used). If the
problem persists, replace the RTC battery.
164-Memory Size
Error
Memory amount has
changed since the last boot
(memory added/removed).
Press the F1 key to save the memory changes.
164-Memory Size
Error
Incorrect memory configura-
tion
1. Run Setup (F10).
2. Make sure memory module(s) installed
properly.
3. If third-party memory added, test using HP-
only memory.
1. Verify proper module type.
201-Memory Size
Error
RSM failure 1. Ensure memory modules are correctly
installed.
2. Verify proper module type.
3. Remove and replace faulty module(s).
4. If error persists after replacing modules,
replace system board.
214-DIMM Config-
uration Warning
Populated DIMM configura-
tion is not optimized
Rearrange DIMMs so that each channel has
the same amount of memory.
219-ECC Memory
Module Detected
ECC Modules not
supported on this
Platform
Recently added memory
module(s) support ECC
memory error correction.
1. If additional memory was recently added,
remove it to see if the problem remains.
2. Check product documentation for memory
support information.
301-, 304-Key-
board error
Keyboard failure. 1. Reconnect keyboard with system turned off.
2. Check kybd connection or keys.
3. Check connector for bent or missing pins.
4. Replace keyboard.
5. If 304, possible sys bd problem.
511-CPU Fan not
Detected
CPU Fan not Detected. 1. Reseat CPU fan.
2. Reseat fan cable.
3. Replace CPU fan.
1805-Ambient
Temperature Pre-
viously Over Limit
This system was placed in a
low power state to prevent
damage due to excessive
environmental temperature.
Make sure the system meets the HP enclosure
guidelines as listed in the Quick Specs, includ-
ing the following:
1. Clean the air vents on the front, back, or any
other vented side of the computer.
2. Ensure that there is a 10.2 cm (4 in)
clearance on all vented sides of the
computer to permit the required airflow.
3. Ensure that computers are not so near each
other that they are subject to each other's
re-circulated or preheated air.
2200-PMM Alloca-
tion Error during
MEBx Download
2201-MEBx Mod-
ule did not check-
sum correctly
2202-PMM Deallo-
cation Error during
MEBx cleanup
(2200) Memory error during
POST execution of the Man-
agement Engine (ME) BIOS
Extensions option ROM.
(2201) Memory error during
POST execution of the Man-
agement Engine (ME) BIOS
Extensions option ROM.
(2202) Memory error during
POST execution of the Man-
agement Engine (ME) BIOS
Extensions option ROM.
1. Reboot the computer.
2. Unplug the power cord, re-seat the memory
modules, and reboot the computer.
3. If the memory configuration was recently
changed, unplug the computer, restore the
original memory configuration, and reboot
the computer.
4. If the error persists, replace the system
board.
2230-General
error during MEBx
execution
2231-ME error dur-
ing MEBx execu-
tion
2232-AMT error
during MEBx exe-
cution
2233-HECI error
during MEBx exe-
cution
(2230) Error occurred during
MEBx execution which fails
into the “General” grouping.
Status information displayed
along with the error provides
further clarity into the failure.
MEBx handles transference
of information between the
system BIOS and ME firm-
ware.
(2231) Error occurred during
MEBx execution which fails
into “ME” grouping.
(2232) Error occurred during
MEBx execution which fails
into “AMT” grouping.
(2233) Error occurred during
MEBx execution which fails
into “MEI or HECI” grouping.
1. Reboot the computer.
2. If the error persists, update to the latest
BIOS version and ME firmware version.
3. If the error still persists, replace the system
board.