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HP - A2231A 16MB Kit (2 x 8MB) FastPage Parity 72-Pin SIMM Memory for 3000 Series 9 x 7
- Memory Type: FastPage Parity SIMM
- Form Factor: 72-pin SIMM
- Kit Capacity: 16MB
- Module Capacity: 2 x 8MB
- Speed: Not specified (typical for this era)
- ECC: Parity (Error Detection)
- Compatibility: HP 3000 Series
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Product Overview
The HP A2231A is a 16MB memory kit consisting of two 8MB FastPage Parity 72-pin SIMM modules. It is designed for older HP 3000 Series systems.
Technical Information
| Manufacturer | HP |
| Part Number | A2231A |
| Memory Type | FastPage Parity SIMM |
| Form Factor | 72-pin SIMM |
Additional Specifications
| Kit Capacity | 16MB |
| Module Size | 8MB |
| Number of Modules | 2 |
| Error Correction | Parity |
Product Description
The HP A2231A is a memory upgrade kit specifically designed for HP 3000 Series computer systems. This kit includes two 8MB modules, totaling 16MB of memory. The modules are 72-pin SIMMs (Single In-line Memory Modules), a common form factor for older computer architectures. They utilize FastPage mode technology, which allows for faster data access compared to earlier page mode memory. A key characteristic of these modules is 'Parity'. Parity memory provides a basic level of error detection. A parity bit is generated for each byte of data, allowing the system to detect if a single bit error has occurred during data transfer or storage. However, unlike ECC (Error-Correcting Code) memory, parity memory cannot correct the error; it can only report that an error has happened. Given the 72-pin SIMM form factor and FastPage Parity designation, this memory is intended for much older server and workstation systems. Compatibility is strictly limited to systems that support this specific type of SIMM and require parity checking. The '9 x 7' notation in the title likely refers to the physical dimensions or pin layout, further emphasizing its legacy nature.
