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IBM AS400 Models 170-270
IBM iSeries AS/400 Models 170-270 Overview
IBM iSeries AS/400 9406 Models 170 and 270 are classic midrange servers from the AS/400e and early iSeries lineup, delivering reliable performance for legacy applications and small to medium business workloads. These systems feature processor options like Apache and Northstar series (Model 170) or SStar (Model 270), with CPW ratings ranging from entry-level P05 tiers to higher P10/P20 capacities. They support expandable memory, SCSI DASD with RAID, integrated Ethernet, and communication capabilities in tower configurations suitable for cost-effective legacy environments.
Key Features
- Processor options including 1-way Apache/Northstar (125–262 MHz) and select 2-way configurations for scalable CPW performance.
- Memory starting at 64 MB (expandable up to 832 MB or more on higher configs) for efficient multitasking.
- SCSI DASD storage (e.g., 16.76 GB 7200 RPM base, higher capacities available) with RAID support.
- Integrated 1-port Ethernet adapter and communication lines (e.g., Twinax) for connectivity.
- CD-ROM drive and media support for installation and backups.
- OS/400 compatibility with Logical Partitioning (LPAR) on later releases.
- Tower form factor for flexible deployment.
Model Comparison
| Model | Form Factor | Processor Options | CPW Range (Processor/Interactive) | Memory Min-Max | Storage Example | Target Use Case |
|---|---|---|---|---|---|---|
| 9406-170 | Tower | Apache (125 MHz): #2159–#2183; Northstar (262 MHz): #2289–#2388 (1-way & 2-way) | 50–1090 CPW / 15–70 interactive | 64–1024 MB | 16.76 GB 7200 RPM SCSI (expandable) | Entry to midrange legacy apps, small-medium setups |
| 9406-270 | Tower | SStar series (e.g., #2432, #2434 2-way at 600 MHz) | Up to 2350 CPW / 70 interactive | 256 MB+ | 51.48 GB 10K RPM SCSI (expandable) | Higher-performance midrange, demanding workloads |
These models provide dependable throughput with features tailored for IBM i legacy support and migration paths.
Compatibilities
IBM AS/400 Models 170 are compatible with OS/400 V4R2 to V5R3 and Models 270 are compatible with OS/400 V5R2 to v5r4 releases, including V5R1 (recommended for enhanced LPAR support), and successor i5/OS versions where applicable. They support legacy IBM i applications, Twinax workstations, SCSI storage, and basic networking. These systems integrate well in older environments and can serve as bridges to newer IBM Power hardware.
All systems include a 60-day warranty from DataTechComputer.com.