+-------------------------------------------------------------------------+ ¦Table 1. PC Server hardware and software configurations measured. ¦ +-----------------------+---------------------------+---------------------+ ¦System ¦ PC Server 500 (old) ¦ PC Server 520 (new) ¦ +-----------------------+---------------------------+---------------------+ ¦PC processor ¦ 90Mhz Pentium with 256K of¦ 133Mhz Pentium with ¦ ¦ ¦ L2 cache (Synchrostream) ¦ 512K asynchronous ¦ ¦ ¦ ¦ L2 cache ¦ +-----------------------+---------------------------+---------------------+ ¦ Hard drives ¦ 3 ¦ 5 ¦ +-----------------------+---------------------------+---------------------+ ¦ Approximate ¦ ¦ ¦ ¦ capacity/drive ¦ 2.25G Fast/Wide ¦ 2.25G Fast/Wide ¦ +-----------------------+---------------------------+---------------------+ ¦ Array stripe width ¦ 64K ¦ 64K ¦ +-----------------------+---------------------------+---------------------+ ¦ Array Adapter ¦ IBM F/W Streaming RAID ¦ IBM SCSI-2 PCI-BUS ¦ ¦ ¦ Adapter ¦ RAID Adapter ¦ +-----------------------+---------------------------+---------------------+ ¦ Adapter cache settings¦ Read ahead=ON ¦ Read ahead=ON ¦ ¦ ¦ Writeback=OFF ¦ Writeback=ON ¦ +-----------------------+---------------------------+---------------------+ ¦ OS/2 file system ¦ HPFS ¦ HPFS386 ¦ +-----------------------+---------------------------+---------------------+ ¦ Logical drive type ¦ RAID-5 ¦ RAID-5 ¦ +-----------------------+---------------------------+---------------------+ ¦ Number of logical ¦ ¦ ¦ ¦ drives ¦ 2 ¦ 2 ¦ +-----------------------+---------------------------+---------------------+ ¦ Number of partitions ¦ ¦ ¦ ¦ per logical drive ¦ 1 ¦ 1 ¦ +-----------------------+---------------------------+---------------------+ ¦ LAN Adapter ¦ IBM AutoLANStreamer MC 32 ¦ IBM AutoLANStreamer ¦ ¦ ¦ ¦ MC 32 ¦ +-----------------------+---------------------------+---------------------+ ¦ OS/2 Level ¦ V3 Warp Fullpack ¦ V4 Warp Server ¦ ¦ ¦ ¦ Advanced ¦ +-----------------------+---------------------------+---------------------+ ¦ P/390 Support code ¦ ¦ ¦ ¦ level ¦ March 1995 ¦ Version 2.2 ¦ +-----------------------+---------------------------+---------------------+