一位技术爱好者对1994年产的Apple Workgroup Server 9150进行了一次全面的重建与升级。1这台机器原配80MHz PowerPC 601处理器、512K L2缓存和最多264MB内存，配备DDS-2磁带驱动器、2倍AppleCD 300i Plus光驱以及原厂A/UX能力。1经过修复和改造，作者将其升级为配备Sonnet 400MHz G3 NuBus处理器卡、HPV PDS视频卡和ZuluSCSI存储模拟器的系统，后者集成了三个4GB磁盘镜像。1
升级过程涉及多项技术挑战。1原机器的塑料外壳因增塑剂挥发而变脆，作者采用尼龙螺钉和活页夹重新固定逻辑板。1最终系统成功配置为Mac OS 8.6与MkLinux R2双启动。1MkLinux R2基于Linux 2.0.38-osfmach3内核，集成Mach 3.0微内核、glibc 2.1.3和XFree86 3.3.6。1由于Mach内核对虚拟内存哈希桶的硬性限制，内存配置被设定为-m191作为最大可靠方案。1
值得注意的是，MkLinux官方仅声称支持NuBus Power Mac 6100/7100/8100系列，但实际上与WGS系列也兼容。1
An enthusiast has completed a comprehensive restoration and upgrade of a 1994 Apple Workgroup Server 9150, transforming the aging workstation into a dual-boot system running both Mac OS 8.6 and MkLinux R2 1. The machine originally shipped with an 80MHz PowerPC 601 processor, 512K L2 cache, and support for up to 264MB of RAM, paired with a DDS-2 tape drive and 2x AppleCD 300i Plus optical drive 1. The restoration process addressed hardware deterioration caused by volatile plasticizers; the original plastic components became brittle and required replacement with nylon fasteners and binder clips to secure the logic board 1.
The upgrade involved significant enhancements across multiple subsystems 1. A Sonnet 400MHz G3 NuBus processor card replaced the original CPU, while a ZuluSCSI storage emulator was integrated with three 4GB disk images and an HPV PDS video card was added to the system 1. The MkLinux installation runs version R2, built on Linux 2.0.38-osfmach3 with Mach 3.0 microkernel, glibc 2.1.3, and XFree86 3.3.6 1. A critical memory constraint emerged during configuration: the Mach kernel applies a hard limit on VM hash buckets, making -m191 the maximum reliable memory setting for stable operation 1. Though MkLinux's official support documentation lists only NuBus Power Mac models (6100/7100/8100 series), the Workgroup Server 9150 proved compatible with the distribution 1.
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