Understanding 32 Bit PCI Slots with a Bandwidth of 1133MBps

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In summary, the conversation discusses the bandwidth of 32 Bit PCI Slots, which has a bandwidth of 1133MBps. It is mentioned that the PCI bus is shared and if multiple devices, such as a fax card and graphics card, are connected to PCI Slots, they will share the same data path and the bandwidth will be split between them. It is also noted that PCI-e has a dedicated lane to the chipset, making it a point-to-point connection. The speaker suggests upgrading to a newer graphics card, such as AGP or PCI Express, for better performance and stability, as well as taking advantage of the increasing demands for better graphics on the web.
  • #1
biferi
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The 32 Bit PCI Slots have a Bandwidth of 1133MBps.

And I know they connect to the Southbridge BUSS.

But if you have three PCI Slots and you have a FAX Card in one and a Graphics Card in another.

And they both are working at the same time am I right the 1133MBps Bandwidth will be split between the two of them?
 
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  • #2
PCI bus is shared. If you have a gfx card and a fax card on PCI then they both share the same data path.
PCI-e on the other hand is a point to point connection and devices connected here have a dedicated lane to the chipset.

Confirm which one you have and you have you know if it's shared or not.

P.S. It's not that basic/simple but yeah.
 
  • #3
May I ask if this is a project or are you actually using a PC that doesn't have a dedicated graphic bus? Unless you intend to work totally from command line there are huge benefits from upgrading. Even an old AGP board would be an improvement, but serialization as in PCI Express is a major leap forward in bandwidth as well as a reduction in data collision ie: increased performance AND stability (a rare combination). Many people seem to think that "fancy" graphics cards are strictly for gamers but the increased complexity of graphic content on the web has driven up both the value and the need for better graphics. Also, the ever increasing minimal hardware demands of Windows has made some very good used PCs available for very cheap. Might be time to upgrade.
 

1. How does a 32 bit PCI slot with 1133MBps bandwidth differ from other slots?

A 32 bit PCI slot is a type of expansion slot on a computer's motherboard that allows for the installation of additional hardware components. The "32 bit" refers to the number of bits that can be transferred at one time, while the "1133MBps" refers to the maximum bandwidth or data transfer rate of the slot. This means that a 32 bit PCI slot with 1133MBps bandwidth can transfer 1133 million bits of data per second. This differs from other slots, such as 16 bit PCI slots, which can transfer half the amount of data (566.5MBps) per second.

2. What types of devices can be connected to a 32 bit PCI slot with 1133MBps bandwidth?

A 32 bit PCI slot with 1133MBps bandwidth is typically used for high-speed devices, such as network adapters, sound cards, and graphics cards. These devices require a fast data transfer rate to function properly, and the 1133MBps bandwidth of the slot allows for smooth and efficient communication between the device and the computer.

3. Is 1133MBps the maximum bandwidth for a 32 bit PCI slot?

Yes, 1133MBps is the maximum bandwidth for a 32 bit PCI slot. This bandwidth is determined by the clock speed of the slot, which is typically 33MHz for a 32 bit slot. Therefore, the maximum bandwidth can be calculated by multiplying 33MHz by 32 bits, which equals 1056MBps. However, with the added overhead and other factors, the actual maximum bandwidth is slightly higher at 1133MBps.

4. What does the term "bandwidth" mean in relation to a 32 bit PCI slot with 1133MBps?

Bandwidth refers to the amount of data that can be transferred between the device and the computer in a given amount of time. In this case, the 1133MBps bandwidth of a 32 bit PCI slot means that it can transfer up to 1133 million bits of data per second. This is important for high-speed devices that require a fast data transfer rate to function properly.

5. Can a 32 bit PCI slot with 1133MBps bandwidth be upgraded?

No, a 32 bit PCI slot with 1133MBps bandwidth cannot be upgraded. The maximum bandwidth is determined by the slot's clock speed and bit width, which cannot be changed. However, newer motherboards may have faster slots with higher bandwidths, such as the 64 bit PCI slot with 266MBps bandwidth. In this case, upgrading to a newer motherboard with faster slots would increase the overall system performance.

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