Socket 7 Motherboard

[Darth Sanderson]

Incomputer hardware, a CPU socket or CPU slot contains one or more mechanical components providing mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows for placing and replacing the central processing unit (CPU) without soldering.

Common sockets have retention clips that apply a constant force, which must be overcome when a device is inserted. For chips with many pins, zero insertion force (ZIF) sockets are preferred. Common sockets include Pin Grid Array (PGA) or Land Grid Array (LGA). These designs apply a compression force once either a handle (PGA type) or a surface plate (LGA type) is put into place. This provides superior mechanical retention while avoiding the risk of bending pins when inserting the chip into the socket. Certain devices use Ball Grid Array (BGA) sockets, although these require soldering and are generally not considered user replaceable.

CPU sockets are used on the motherboard in desktop and server computers. Because they allow easy swapping of components, they are also used for prototyping new circuits. Laptops typically use surface-mount CPUs, which take up less space on the motherboard than a socketed part.

As the pin density increases in modern sockets, increasing demands are placed on the printed circuit board fabrication technique, which permits the large number of signals to be successfully routed to nearby components. Likewise, within the chip carrier, the wire bonding technology also becomes more demanding with increasing pin counts and pin densities. Each socket technology will have specific reflow soldering requirements. As CPU and memory frequencies increase, above 30 MHz or thereabouts, electrical signalling increasingly shifts to differential signaling over parallel buses, bringing a new set of signal integrity challenges. The evolution of the CPU socket amounts to a coevolution of all these technologies in tandem.

A CPU socket is made of plastic, and often comes with a lever or latch, and with metal contacts for each of the pins or lands on the CPU. Many packages are keyed to ensure the proper insertion of the CPU. CPUs with a PGA (pin grid array) package are inserted into the socket and, if included, the latch is closed. CPUs with an LGA (land grid array) package are inserted into the socket, the latch plate is flipped into position atop the CPU, and the lever is lowered and locked into place, pressing the CPU's contacts firmly against the socket's lands and ensuring a good connection, as well as increased mechanical stability.

It appears that some of these old mobos could only cache the first 128/256/512mb ram & beyond that performance would degrade considerably. Since win98 probably can't handle more than 256-512mb very well anyway I don't mind the latter but 128mb would be very restricting.

I don't need a ton of ports, just agp(2x), at least 3 PCI & maybe and 1 ISA. Would also be nice if it isn't too big (e.g. baby-at size). And while we're at it having ATX power would also be nice, so I won't have to hunt down an old AT powersupply :p

I don't think 128MB is too restricting for a K6. I ran a K6-2 300 on a VX mainboard back in the day with 64 MB (maximum cacheable amount), and it certainly was sufficient. The K6 in it's original version isn't a very fast processor, compared to a P2, so you won't be able to run ressource intensive 98 games on it anyway.

Games wise it would be fine for my use (I plan on mating it with a 16mb agp voodoo3 - should be able to run quake3-level games or older i think?), I figured light web surfing with something like a recent version of k-meleon could use a bit more ram. If it won't be stable at 100fbs I'll try 75(4x multiplayer) or 83mhz(3.5x multiplayer), I'm pretty sure it can tolerate at least a bit more than 66.

Hrm, seems my local options are quite limited. This is the only relatively cheap motherboard (I'm in germany so I could get free shipment for this particular one) I found with the same chipset (ali 5), good enough of a compromise?

30 euro total, not too bad I guess...I also found a P5A but that would set me back 72 euros with shipment (+ a bunch of stuff I don't want, like an S3 graphics card) which is a bit more than I'd like to spend. How big of a difference am I likely to see between these?

Do you need the best SS7 board, or the board that best fits your needs? I think for K6-300 a well built 2MB-cached MVP3 or ALI A5 will be more than sufficient. The criteria for the best SS7 board, in my perspective, such as 133FSB, 1/4 PCI divider, 1.3V core, will be overkill for a K6.

for long term stable usage, i would go with mvp3 boards: dfi k6xv3/66, epox mvp3g5, tyan trinity1598. my tmc ti5vgf is pretty satisfying too but it only supports dma33 with 586b southbridge, tmc has another ti5vga-ultra model that uses 686a southbridge and has dma66 support.

Another question - if we're talking fairly late mobos (late 90s), does it matter if I get Baby-AT or ATX? Or can I assume that any baby-at from that era will support ATX powersupply and i'll be able to stuff it somehow into an ATX case?

The QDI Titanium IB+ is one of the best AT boards although its not Super Socket 7. But a BIOS upgrade can make it support AMD K6+ CPU's which give a good speed boost. It is based on the Intel Triton chipset which in my opinion is very very good.

We've seen generations of hardware come out from Intel and AMD. This makes it important to ensure you're matching up compatible processors and motherboards with the chipset best suited to your needs. But what is a chipset and why are sockets different?

A socket is the array of pins and the securing mechanism that hold a processor in place and connect the motherboard to the available processing power. There are different sockets depending on what generation CPU is supported. If a situation should occur where the CPU and socket aren't compatible, the best case scenario is that the component won't physically be able to connect with the socket, while the worst case may be irreparable damage to either system part.

Luckily, it's easy to figure out and check whether or not a CPU you're looking at will work with a specific motherboard. Usually, it's recommended to choose the CPU first, which provides you with the socket it requires, making buying a motherboard that little bit simpler. For example, a new Ryzen 5 3600X will require an AM4 motherboard, while an Intel Core i5-9600K will need one with LGA 1151.

Choosing the right motherboard for your PC can be a little tricky, but if you're starting with this component as the foundation for your next build, we've rounded up a handful of our favorites that will create a high-performing platform.

Depending on the configuration of pins, certain sockets may support multiple processor generations. An example would be the current LGA 1151 socket for Intel, which supports sixth-, seventh-, eighth-, and ninth-gen CPUs. The socket cannot be swapped out and will require a full motherboard replacement should you need to take advantage of another interface.

But just because the socket matches your CPU, it doesn't mean the motherboard will be compatible with it. This is where the chipset comes into play. An Intel Core i5 7600K and 9600K both support LGA 1151, but the former works with the Z170 chipset while the latter works with the Z370 chipset.

In the most basic sense, a chipset is a group of electronic components on the motherboard that manages data between the processor, RAM, storage and other connected hardware. Multiple chipsets are available per socket, allowing you to choose between budget and performance, with the more expensive motherboards sporting more capable components.

See below for a chart of the recent sockets that you'll find available online when building a new PC. The number used by Intel in its naming scheme denotes just how many connections are on the socket itself.

A different naming scheme is used by AMD with AM4 used for Ryzen processors. AM3+was used for "Bulldozer" and "Piledriver" FX series of CPUs. AM sockets are used for mainstream and enthusiast CPU solutions, while the FM series is deployed for APUs. TR4 is solely used for Threadripper CPUs.

Rich Edmonds was formerly a Senior Editor of PC hardware at Windows Central, covering everything related to PC components and NAS. He's been involved in technology for more than a decade and knows a thing or two about the magic inside a PC chassis. You can follow him on Twitter at @RichEdmonds."}), " -0-10/js/authorBio.js"); } else console.error('%c FTE ','background: #9306F9; color: #ffffff','no lazy slice hydration function available'); Rich EdmondsSocial Links NavigationSenior Editor, PC BuildRich Edmonds was formerly a Senior Editor of PC hardware at Windows Central, covering everything related to PC components and NAS. He's been involved in technology for more than a decade and knows a thing or two about the magic inside a PC chassis. You can follow him on Twitter at @RichEdmonds.

With the AMD Ryzen 600- and 800-series chipsets, all AMD Socket AM5 motherboards are compatible with all AMD Socket AM5 processors. That means you can choose any Socket AM5 board for AMD Ryzen 7000, 8000, and 9000 compatibility. (A BIOS update may be required for Ryzen 8000 and 9000 series processors on 600-series boards)

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