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The Soyo SY-6BA+ IV is an ATX motherboard with an Intel 440BX chipset and a single Slot 1 processor interface. Its manual lists Pentium III, Pentium II, and Celeron support, 66 or 100 MHz front-side bus operation, four SDRAM DIMM sockets, and AGP, PCI, and ISA expansion. These specifications apply to the SY-6BA+ IV; do not assume they also describe the separately documented SY-6BA+ model without “IV.”
Identify the exact Soyo board
The board covered here is the SY-6BA+ IV, an ATX, single-Slot 1 motherboard. Soyo also had a separately documented SY-6BA+ model, so check the model printed on the board and the title of the manual before applying any specification. The two names are similar, but their documentation should not be treated as interchangeable.
The SY-6BA+ IV manual identifies Intel 82440BX chipset technology. The figures and compatibility details below are from that historical manual hosted by ManualsLib, not a current manufacturer support page: Soyo SY-6BA+ IV manual.
Which CPUs and bus speeds does it support?
The manual names Intel Pentium III, Pentium II, and Celeron processors and documents 66 MHz and 100 MHz front-side bus operation. It says FSB selection is automatic according to the processor.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
This is not confirmation that every Slot 1 CPU will work. For a particular processor, check its bus speed and voltage requirements against the exact board and BIOS revision, and account for the condition of the used board. The manual does not validate specific CPU part numbers or every possible processor-and-board combination.
What RAM does the SY-6BA+ IV use, and how much can it take?
The board has four DIMM sockets for SDRAM. Memory requirements depend on the processor’s bus speed and on whether the DIMMs are registered or unbuffered.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
| Configuration | Manual specification |
|---|---|
| 100 MHz FSB | 8 ns / 100 MHz PC100-compliant SDRAM |
| Maximum memory | Up to 512 MB with ordinary supported DIMMs; up to 1 GB with registered DIMMs |
| DIMM construction | Do not mix registered and unbuffered DIMMs |
| Socket population | Module-size and installation-order constraints apply; follow the manual for the intended configuration |
The manual describes different memory-speed requirements for 66 MHz and 100 MHz FSB operation. It also specifies installation-order and module-size constraints, so capacity alone is not enough to select a working set. If searching for parts, “PC100 SDRAM DIMM” is a useful category phrase—not a guarantee that a particular listing or module will work. Verify the DIMM’s speed, capacity, registered status, and population order against the manual and the actual board.
What slots and connectors are on the board?
The manual’s board layout documents these legacy interfaces:
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- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
- One AGP slot
- PCI and ISA expansion slots
- Four IDE connectors supporting up to eight IDE devices
- A floppy disk connector
- ATX power, CPU fan, and power fan connectors
These are period-era interfaces. The manual establishes their presence, but does not establish compatibility with every modern adapter, drive, or accessory.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to check before buying parts or restoring one
- Read the board marking. Confirm that it says SY-6BA+ IV, not SY-6BA+ or another similar model.
- Match the processor configuration. Check the CPU family, FSB, voltage, BIOS revision, and board condition; Slot 1 fit alone does not establish compatibility.
- Plan the DIMM set as a whole. Confirm SDRAM type, speed, module capacity, registered or unbuffered construction, and socket order. Do not combine registered and unbuffered memory.
- Inspect restoration hardware in place. The manual identifies a CPU fan connector and mentions a CPU retention set. Confirm that a replacement cooler, fan, or retention part physically matches the actual board; the manual does not approve modern accessory listings.
The manual is useful for identifying the board and its documented configuration limits. It does not establish current part availability, prices, the condition of an individual used board, or the compatibility of a specific marketplace listing.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
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