The processor core voltage managed by a multi-phase PWM controller. This rail dynamically drops or increases voltage based on CPU VID signals.
: LGA 1155 (supports 2nd and 3rd Gen Intel Core processors). RAM : Up to 32GB DDR3. HP Elite 8200 SFF Desktop System Motherboard ₹3,499.00 Go to product viewer dialog for this item. Uses a variation labeled FXN1 . Socket : LGA 1155. Form Factor : ATX. Show more Finding Schematics and Manuals
An updated schematic simplifies circuit tracing by clearly defining test points (TP) and component locators. When diagnostic testing, focus on these three high-failure zones: 1. The Power-On Logic Circuit
| Variant | Primary Brand(s) | Key Specifications | Associated System(s) | | :--- | :--- | :--- | :--- | | | Dell | LGA 775, Intel Q43/Q45 chipset, DDR2 memory, typically Micro-ATX form factor | OptiPlex 760, 960, 380 | | GA0403 / GA0404 | Dell | LGA 775, Intel Q43 chipset, supports DDR2/DDR3, Micro-ATX | OptiPlex 760, 780 | | SS0909 / AM0327 | Dell | LGA 1151, Intel Q170 chipset, supports DDR4 memory | OptiPlex 3040, 7020 | | FXN1 / 611834-001 | HP | LGA 1155, Intel Q67 Express chipset, supports DDR3 memory (up to 32GB), Micro-ATX form factor | Compaq 8200 Elite, HP Pro 3500 | | KA0121 | Dell | LGA 775, Intel G41 chipset, supports DDR2 memory (up to 4GB) | OptiPlex 380, 580 | | LA-0531 | Dell | LGA 1155, Intel Q67 Express chipset | OptiPlex 7010, 9010 | | AZ0422 | Dell | LGA 775, Intel Q43 chipset, supports DDR2 memory | OptiPlex 380 | | 0YC03K / Amo327 | Dell | LGA 1150, Intel Q87 Express chipset | OptiPlex XE2 | | 02P9X9 / P673K | Dell | LGA 1156, Intel 3420 chipset, supports DDR3 ECC memory (up to 32GB), ATX form factor | PowerEdge T310 | | 5XGC8 | Dell | LGA 1151, Intel Q170 chipset, supports DDR4 memory | OptiPlex 3040 | | D517D | Dell | LGA 775, Intel Q43 chipset, supports DDR2 memory | OptiPlex 760 | e93839 motherboard schematic updated
e93839 Motherboard Schematic Updated – What’s New and Why It Matters
Manufactured primarily by Foxconn for major brands like Intel and HP, the E93839 board (often associated with the GA-H61M or similar H61/H81 chipsets) is a staple in budget and enterprise builds.
Adjustments to the Voltage Regulator Module (VRM) to better support high-TDP (Thermal Design Power) processors. The processor core voltage managed by a multi-phase
Locate the +5VSB input pin on the 24-pin ATX connector layout in the schematic. Trace it to the linear or buck regulator that drops it down to +3.3VSB or +3.3V_DUAL .
Look for silk-screened text like REV: X.X or a 6-digit spare part number (e.g., XXXXXX-001 ). Common HP Models with E93839: Workstation xw4600 (P/N: 453080-001 ). HP Envy or Omen series desktops. 🗺️ Pinout Guide: Front Panel Connectors
While having the updated schematic is a win for the Right to Repair movement, remember that documentation is only as good as the technician using it. RAM : Up to 32GB DDR3
The most common request for E93839 boards is the front panel pinout (Power, Reset, HDD LED). While these vary, most OEM boards of this era follow a similar internal standard: Description Common Color/Location Power Button Triggers the system to turn on. Often pins 6 & 8 or 1 & 2. Power LED Lights up when system is on. Usually next to power button pins. HDD LED Flickers during drive activity. Typically pins 1 & 3. Thermal Sensor Required for fan control. If disconnected, fans may run at 100% speed. 🔍 Where to Download Official Schematics
Does the switch pull the PS_ON pin to ground? RAM Check: Measure 1.2V1.2 cap V at the DIMM slots (VDDQ).
Mina nodded. She thought of the countless hours two people might spend arguing about traces on a piece of fiberglass, and how those arguments sometimes mattered more than anything the market wanted them to. She gestured to the board and the schematic. “We post it. We make sure it’s in the wild.”
Enter your Service Tag at Dell Manuals to get the specific "Owner's Manual" with component diagrams.
A hash or minus symbol at the end of a signal name (like PLTRST# or RESET- ) indicates an Active Low signal. This means the signal is considered "True" or "Active" when it reads 0 Volts, and "False" or "Inactive" when it reads 3.3 Volts.