The Sony VAIO PCG-91112M is a legacy multimedia laptop from the early 2010s, typically associated with the VAIO VPC-EC series. Known for its large display and desktop-replacement form factor, it was designed for general entertainment and productivity. Core Specifications
Processor: Features the Intel Core i3-330M (dual-core, 2.13 GHz) or similar first-generation Intel Core i5 processors.
Memory: Shipped with 4GB of DDR3 RAM, expandable to a maximum of 8GB via two SO-DIMM slots.
Storage: Traditionally equipped with a 500GB HDD (5400 rpm), though many used units now feature SSD upgrades for improved performance.
Graphics: Often utilizes the ATI Mobility Radeon HD 5430 or HD 5470 with roughly 512MB of dedicated video memory. Display and Multimedia
Screen: A large 17.3-inch "VAIO Display" with HD+ resolution ( ) or Full HD ( ), depending on the specific sub-model.
Optical Drive: Includes a DVD SuperMulti Drive or a Blu-ray ROM combo drive. Camera: Built-in MOTION EYE webcam ( resolution). Connectivity and Ports
Interfaces: HDMI output, VGA, 3x USB 2.0, an e-SATA/USB combo port, and an ExpressCard slot.
Networking: Gigabit Ethernet, Wi-Fi (802.11b/g/n), and Bluetooth 2.1 + EDR. Physical Profile sony vaio pcg-91112m specs
Weight: Approximately 3.2 kg to 3.3 kg, making it a heavy device better suited for stationary use. Dimensions: Roughly . Sony Vaio PCG-91112M - PC Portable - Ratake
Core i3-330M. Chipset graphique. Intel HD Graphics for Previous Generation Intel Processors. Fréquence. 2.13 Ghz. * Écran: 17.0" - Ratake Sony VAIO PCG-91112M RAM buy - PHS memory
The Sony VAIO PCG-91112M is a classic desktop replacement laptop, part of the widely recognized VAIO VPC-EC series. Known for its expansive 17.3-inch display and multimedia focus, this model remains a point of interest for collectors and users looking to maintain legacy hardware. Core Technical Specifications
The PCG-91112M was designed to handle high-definition media and everyday productivity. Most configurations in this series utilized the Intel HM55 Express Chipset.
Processor: Typically equipped with an Intel Core i3-330M processor, featuring two cores and four threads with a base clock speed of 2.13 GHz.
Memory: Standard models shipped with 4GB of DDR3 SDRAM (1066 MHz), though the motherboard often supports an upgrade to a maximum of 8GB.
Graphics: Multimedia performance is driven by the ATI Mobility Radeon HD 5650 (with 1GB of dedicated VRAM) or similar mid-range GPUs from the ATI HD 5000 series.
Storage: Originally came with a 500GB Serial ATA (5400 rpm) hard drive. Many users now upgrade these to 512GB SSDs for a significant performance boost. Display and Multimedia The Sony VAIO PCG-91112M is a legacy multimedia
The standout feature of this model is its large screen, aimed at "AV Entertainment".
Screen: A 17.3-inch VAIO Display with LED backlighting. Depending on the specific regional sub-model, it offered a resolution of 1600 x 900 (HD+) or a 1920 x 1080 (Full HD) panel.
Optical Drive: High-end units featured a Blu-ray Disc Player (BD ROM/DVD+-RW combo), while standard units used a DVD SuperMulti drive.
Audio: Integrated stereo speakers supported by Dolby Home Theater v3. Physical Connectivity
The chassis provides ample room for a variety of legacy and high-speed ports:
USB: 3 dedicated USB 2.0 ports plus an additional e-SATA/USB hybrid port.
Video Out: Full-sized HDMI and VGA (D-sub) ports for external monitors.
Expansion: Features an ExpressCard/34 slot, an SD card slot, and a specialized Memory Stick Duo slot. Model family: Sony VAIO (PCG-9111x series) Release era:
Networking: Includes a Gigabit Ethernet port and 802.11 b/g/n Wireless LAN. Build and Portability
As a desktop replacement, the PCG-91112M is substantial. It weighs approximately 3.3 kg (7.28 lbs) and measures about 409 mm wide. It originally ran on Windows 7 Home Premium (64-bit), though it can run modern Windows versions with sufficient RAM and an SSD upgrade.
Sony VAIO PCG-91112M — Quick specs summary
Notes: Exact CPU, RAM, storage, display size, and optical drive vary by specific submodel/configuration. For precise, model-specific specs (serial/part-number lookup or service manual) check the unit’s label or original product manual.
The HM55 chipset is crucial because it dictates memory support, storage interface (SATA II, not III), and integrated graphics. It does not support USB 3.0 natively.
The PCG-91112M had several common failure points reported by users on forums (e.g., NotebookReview, Reddit r/Vaio):
Gaming Potential: The discrete Radeon HD 5470 can play late-2000s titles (e.g., Call of Duty 4, Left 4 Dead 2, The Sims 3) at low-to-medium settings. Modern gaming is not feasible.
| Issue | Cause | Mitigation | | :--- | :--- | :--- | | Hinge cracking | Magnesium alloy is thin; plastic clips near hinge break | Reinforce with epoxy. Open lid from center, not corners. | | Fan noise / thermal shutdown | Dried thermal paste (Sandy Bridge runs hot), clogged fan | Repaste with Arctic MX-4 or Noctua NT-H1. Fan replacement (part #MCF-527PAM05). | | Battery controller death | Cell imbalance after deep discharge | Replace battery (generic compatible exists). Never store at 0%. | | AMD GPU artifacts | Solder ball degradation (rare for 6470M, but possible) | Force Intel iGPU only via BIOS (if accessible) or disable AMD in Device Manager. | | Keyboard key failure | Membrane fatigue | Replace keyboard (cheap, ~$20 from China). Very easy – 3 screws under RAM cover. |
Before diving into the specs, it is important to understand how Sony structured its model numbers. The PCG-91112M is part of the VAIO C Series (or sometimes listed under general PCG notebooks). Key identifiers:
Many databases confuse this model with the VAIO VPC-EH series, as they share similar hardware. The PCG-91112M is essentially a specialized SKU of the 2011-2012 multimedia VAIO, often featuring a distinctive glossy shell.