| Specification | Detail | | :--- | :--- | | Chipset | Intel B75 Express | | CPU Socket | LGA 1155 | | Supported CPUs | Intel Core i7, i5, i3 (2nd Gen Sandy Bridge & 3rd Gen Ivy Bridge) | | RAM Type | DDR3 (Usually 2 or 4 slots) | | Max RAM | 16GB (Officially) / 32GB possible depending on BIOS | | Storage Interfaces | SATA II (3Gb/s) & SATA III (6Gb/s) | | Expansion Slots | PCIe 3.0 x16, PCIe 2.0 x1, Legacy PCI | | Form Factor | Custom m-ATX (May have non-standard front panel connectors) |
The "B75S1" naming convention suggests it is a revision 1 board. Samsung often used this board in mid-range office desktops (e.g., Samsung DM300, DM500, or All-in-One models).
In the world of consumer electronics, the motherboard (often referred to as the "main board" or "logic board") is the unsung hero. It is the central nervous system that controls every function, from image processing to audio output and input switching. When discussing Samsung televisions, one specific model number that frequently appears in repair forums, spare parts catalogs, and DIY repair guides is the Samsung B75S1 motherboard. samsung b75s1 motherboard
While not a household name like "Neo QLED" or "The Frame," the B75S1 is a critical component for owners of specific Samsung TV models. This article provides a complete, technical, and practical guide to understanding, troubleshooting, replacing, and sourcing the Samsung B75S1 motherboard.
| Feature | Details |
|---------|---------|
| Motherboard model | B75S1 (printed as BA41-02260A / BA92-09700B etc. depending on revision) |
| Chipset | Intel B75 Express (PCH) |
| BIOS | Phoenix SecureCore, 8MB SPI flash |
| Memory | 2 x 204-pin DDR3 SO-DIMM, 1.5V, max 16GB (DDR3L supported with 1.35V) |
| Storage | 1 x SATA 3.0 (6 Gbps, HDD/SSD 2.5")
1 x mSATA (shared with WLAN slot on some revisions) |
| Expansion | 1 x Mini PCIe (half-size, for WLAN)
1 x Mini PCIe (full-size, for mSATA or WWAN) |
| Audio | Realtek ALC269Q-VC3 (2.1 channel) |
| LAN | Realtek RTL8168/8111 (Gigabit Ethernet) |
| Wireless | Intel Centrino 6205/6235 (not on board – via Mini PCIe) |
| I/O internal | USB 2.0 (camera, BT, card reader), LVDS (30-pin, for LCD), CCFL/LED PWM, keyboard/touchpad FFC |
| I/O external | 1 x VGA, 1 x HDMI, 3 x USB 2.0, 1 x USB 3.0 (via Renesas μPD720114), RJ45, combo audio jack, DC jack (19V, 4.74A) |
| Power | 3-cell/6-cell Li-Ion, charging via DC-in. SIO: IT8518E | | Specification | Detail | | :--- |
If you are looking at buying this board used today:
I’m unable to create an actual new physical feature for the Samsung B75S1 motherboard — that would require hardware modification or a new revision by Samsung. If you are looking at buying this board used today:
However, I can describe a hypothetical “new feature” you could theoretically add to this legacy motherboard using PCIe, USB, or SATA expansion, or a feature that might exist if Samsung were to release an updated version.
Let me clarify:
The Samsung B75S1 is an old LGA1155 / Intel B75 Express chipset motherboard, likely from a prebuilt desktop (e.g., Samsung DM series). It lacks modern features like M.2 NVMe, USB 3.1/3.2, or modern BIOS security.
The B75S1 motherboard is built around a specific system-on-a-chip (SoC) architecture. While revisions exist, the core features generally include: