Illustrated Parts & Service Map HP ProDesk 400 G1 Microtower
HP ProDesk 400 G1, Microtower 742428-001 page 2
Standard and Optional Boards
System boards (includes replacement thermal material)
* System board for use in models without Windows 8 718413-001
* System board for use in models with Windows 8 Standard 718413-501
* System board for use in models with Windows 8 Professional 718413-601
* System board for use in models with NetClone (the People’s Republic of
China only)
745238-001
Memory modules (PC3-12800, CL11)
*8-GB
689375-001
*4-GB
671613-001
*2-GB
671612-001
Other boards
* Nvidia NVS315 PCIe x16 graphics card, 1 GB 720837-001
* Nvidia NVS310 PCIe x16 graphics card, 512 MB 707252-001
* AMD Radeon HD8490 DP PCIe x16 graphics card, 1 GB 717219-001
* AMD Radeon HD8470 PCIe x16 graphics card, 2 GB
(the People’s Repub-
lic of China only)
729085-001
* AMD Radeon HD8350 DH PCIe x16 graphics card, 1 GB DDR3 717220-001
*
AMD Radeon HD8350 PCIe x16 graphics card, 1 GB DDR3 (the People’s
Republic of China only)
729084-001
* Nvidia GeForce GT630 DP PCIe x16 graphics card, 2 GB 702084-001
* Intel PRO/1000 single port GbE NIC, includes bracket 728562-001
* Intel Dual Band Wireless-N 7260 802.11 a/b/g/n (2x2) Wireless NIC 745668-001
Intel Core i7 processors (include thermal material)
* 4771 3.5 GHz, 8-MB L3 cache, 84W 742563-001
* 4770, 3.4 GHz, 8-MB L3 cache, 84W 727373-001
* 4770s, 3.1 GHz, 8-MB L3 cache, 65W 732507-001
Intel Core i5 processors (include thermal material)
* 4670, 3.4 GHz, 6-MB L3 cache, 84W 727381-001
* 4670s, 3.1 GHz, 6-MB L3 cache, 65W 732506-001
* 4570, 3.2 GHz, 6-MB L3 cache, 84W 727380-001
* 4570s, 2.9 GHz, 6-MB L3 cache, 65W 732505-001
* 4430, 3.0 GHz, 6-MB L3 cache, 84W 745033-001
* 4430s, 2.7 GHz, 6-MB L3 cache, 65W 745034-001
Intel Core i3 processors (include thermal material)
* 4340, 3.6 GHz, 4-MB L3 cache, 54W 742562-001
* 4330, 3.5 GHz, 4-MB L3 cache, 54W 742561-001
* 4130, 3.4 GHz, 3-MB L3 cache, 54W 742560-001
Intel Pentium processors (include thermal material)
* G3430, 3.3 GHz, 3-MB L3 cache, 54W 742566-001
* G3420, 3.2 GHz, 3-MB L3 cache, 54W 742565-001
* G3220, 3.0 GHz, 3-MB L3 cache, 54W 742564-001
* Not shown
Common POST Error Messages
Screen Message Probable Cause Recommended Action
101-Option ROM Error 1. System ROM checksum
error.
2. Expansion board option
ROM checksum
1. Verify ROM, reflash if required
2. Remove suspected card,
reboot
3. Clear CMOS memory, reboot
4. Replace system board
103-System Board
Failure
DMA, timers 1. Clear CMOS memory.
2. Remove expansion boards.
3. Replace system board.
164-Memory Size Error
and
201-Memory Error
Incorrect memory configu-
ration
1. Run Setup (F10).
2. Check DIMMs for proper
seating, type, and HP
compatibility.
3. Remove DIMMs singularly and
reboot to isolate faulty DIMM.
4. Replace system board.
214-DIMM Configuration
Warning
Populated DIMM configura-
tion is not optimized
Rearrange the DIMMs so that
each channel has the same
amount of memory.
301-, 304-Keyboard
error
Keyboard failure. Check keyboard connection or
keys. Check connector for bent of
missing pins. Replace keyboard.
If 304, possible system board
problem.
501-Display Adapter
Failure
Graphics display controller. 1. Reseat graphics card.
2. Clear CMOS.
3. Check monitor connection.
4. Replace graphics card.
1720-SMART Hard Drive
Detects Imminent Failure
Hard drive is about to fail.
1. Determine if hard drive is giving
correct error message. Use F2
Diagnostics to run DPS Self-
test.
2. Apply hard drive firmware
patch if applicable.
3. Back up contents and replace
hard drive.
Miscellaneous Parts
1 Fan sink 745054-001
2 Speaker 745053-001
3 Fan 745052-001
4 Serial port, PCI card 638815-001
* Fan, BFR/PVC free 748825-001
* Printer port, PCI card 638817-001
* Card reader, 14-in-1, USB 3.0, 3.5-inch 716390-001
* Adapter, USB 3.0 to 2.0 736835-001
* HP Ultraslim Keyed Cable Lock 703372-001
* Hard drive carrier, 2.5-inch to 3.5-inch 703597-001
* Hard drive adapter bracket, 2.5-in or 3.5-in hard drive in 5.25-in bay 397117-001
* WLAN antennas 583345-001
* Mouse, PS2, optical 674315-001
* Mouse, USB, HP Elite 674318-001
* Mouse, washable 724795-001
* Mouse, wireless, HP Elite (Brazil only) 674317-001
* Mouse, USB, optical 674316-001
* Mouse, USB, Portia 719901-001
*Not shown
Diagnostic LEDs
LED Color LED Activity State/Message
Power White On Computer on
Power White 1 blink every 2 seconds Normal Suspend Mode
Power Red 1 blink every second followed
by a 2 second pause
CPU thermal shutdown
Power Red 3 blinks, 1 blink every second
followed by a 2 second pause
Processor not installed
Power Red 4 blinks, 1 blink every second
followed by a 2 second pause
Power failure (power supply over-
load)
Power Red 5 blinks, 1 blink every second
followed by a 2 second pause
Pre-video memory error
Power Red 6 blinks, 1 blink every second
followed by a 2 second pause
Pre-video graphics error
Power Red 7 blinks, 1 blink every second
followed by a 2 second pause
System board failure (ROM
Power Red 8 blinks, 1 blink every second
followed by a 2 second pause
Invalid ROM based on Checksum
Power Red 9 blinks, 1 blink every second
followed by a 2 second pause
System powers on but is unable to
boot
Power Red 10 blinks, 1 blink every second
followed by a 2 second pause
Bad option card
Power Red 11 blinks, 1 blink every second
followed by a 2 second pause
Current processor does not support a
feature previously enabled.
none none System does not power on
and LEDs are not flashing
System unable to power on