Ibm I5

The IBM System i is a midrange computer platform from IBM, sometimes referred to generically by the umbrella term AS/400 or "AS400"The platform was first introduced as the AS/400 (Application System/400) in June 19, with the operating system being called OS/400 In 00, IBM introduced the eServer iSeries (with the 400 sometimes added)As part of IBM's rebranding initiative in 06, it was.

Execute Query Error 400 Ibm System I Access Odbc Driver Db2 For I5 Os Sql0104 Build Uipath Community Forum

Ibm i5. IBM i5/OS IP Networks Dynamic;. IBM i5/OS Network Security Scenarios A Practical Approach. RE IBM I5 We migrated to the I5 about a year ago and no real problems to speak of We do not use LPARs though Original Message From system21bounces@xxxxxxxxxxxx mailtosystem21bounces@xxxxxxxxxxxx On Behalf Of Prill, Steve Sent Thursday, July 14, 2.

IBM i Program Conversion Getting Ready for 61 and Beyond;. 00年 IBM eServer iSeries に改称 当. I5 is the latest hardware evolution of one of IBM's most widelyinstalled product lines iSeries servers use IBM's Power5 microprocessors and are capable of running five different operating systems at the same time (AIX, Windows, Linux, OS/400, and i5/OS) on multiple partitions IBM also offers p5 (or pSeries) servers for large enterprise users who want to run Unix systems or who need more scalability.

Product Name Version Product ID;. IBM i5/OS Network Security Scenarios A Practical Approach. Sell it yourself Shop with confidence Top Rated Plus.

Page 34 IBM eServer i5/570 Model i5/570 CoD from 3300 to CPW Minimal Configuration Processor 1Ways Power5, 165GHz, L1L2L3 Cache Processing units available 10 Maximum partitions 10 Maximal Configuration Processor 16Ways Power5, 165GHz, L1L2L3 Cache Processing units available 160 Maximum partitions 160 iSeries. Skip to main content Try Prime All. This IBM® Redbooks publication provides specific setup information for various scenarios of Internet security Assuming readers have knowledge of the theories and conceptual parts of the related topics, this book aims to assist i5/OS network security administrators who need to set up any of the scenarios listed in the Table of Contents.

Documentation for IBM i v5r4 is not available in IBM Knowledge Center IBM i release V5R4 is out of service The products, versions, and releases listed in this topic are out of service However, you can view the documentation for IBM i 54 as PDF files. Share Social Mail. Find great deals on eBay for ibm i5 Shop with confidence.

Free shipping for many products!. RE IBM I5 Triggers may not work if you have any that were poorly written in V4r5 or earlier Original Message From Diana Larsson mailtodlarsson@xxxxxxxxxxxxxxxxxx Sent Thursday, July 14, 05 328 PM To 'System 21 Users' Subject RE SYSTEM21 IBM I. I5/OS is the name IBM has given to its newest release of OS/400 V5R3 i5/OS runs on IBM's i5 servers, which are based on IBM's Power5 microprocessors.

The IBMiSeries Versions supported include IBM i5/OS v54 up to 71;. IBM charges about $3,700 to turn on additional processors The i5 550 uses a 64bit 165GHz processor with as much as 64G bytes of main memory and 38 terabytes of disk storage. IBM eServer iSeries Security Guide for IBM i5/OS Version 5 Release 3;.

The new IBM® eServer i5 servers extend the IBM eServer iSeries™ family They are the first servers in the industry based on the leadingedge IBM POWER5™ 64bit microprocessor Today’s eServer i5 servers give the flexibility to move from one generation of technology to another without disrupting a company’s business. Welcome to the thirteenth formal edition of the worldrenown System Builder This IBM System i5, IBM i5, and iSeries System Builder, SG, offers you a comprehensive guide to the IBM System i5, IBM i5, and iSeries processor hardware, related hardware, and System i software marketed by IBM representatives since the introduction of the AS/400e servers in 1996. IBM i5/OS (product number 5722SS1) and to all subsequent releases and modifications until otherwise indicated in new editions This version does not run on all reduced instruction set computer (RISC) models nor does it run on CISC.

Electronic Service Agent for IBM i5/OS V5R3 Introduction to Electronic Service Agent for i5/OS V5R3 Electronic Service Agent for IBM i5/OS V5R3 is integrated into the base i5/OS V5R3 operating system It is no longer a separately installed LPO product Electronic Service Agent provides an automatic hardware problem reporting function that. RE IBM I5 Triggers may not work if you have any that were poorly written in V4r5 or earlier Original Message From Diana Larsson mailtodlarsson@xxxxxxxxxxxxxxxxxx Sent Thursday, July 14, 05 328 PM To 'System 21 Users' Subject RE SYSTEM21 IBM I. In 1999, IBM introduced logical partitioning (LPARs) with i5/OS to support multiple virtual systems on a single hardware footprint In 06, the operating system at V5R4 was named i5/OS for the newly introduced System i servers, which IBM marketed until 08.

From servers and mainframes to storage systems and software, IBM IT infrastructure provides the building blocks of a nextgeneration IT architecture. This IBM Redbooks publication gives a broad understanding of a new 32bit Java Virtual Machine (JVM) in IBM i5/OS With the arrival of this new JVM, IBM System i platform now comfortably supports Java and WebSphere applications on a wide array of different server models from entry size boxes to the huge enterprise systems. Ibm i5 515 Pdf User Manuals View online or download Ibm i5 515 Quick Start Manual.

Lenovo ThinkPad X2 Tablet 125" Core i5 25M 4 GB RAM 3 GB HDD with UltraBase Series 3 f Lenovo ThinkPad X2 Intel Core i525M (25GHz, 3MB L3, 1333MHz FSB) ku. > > work on the i5 until the tech from Sharp comes out and clears the code > > from the printer In the mean time we can still print from any > > Windows device, like Word, or Outlook I am fed up with the Sharp > > technicians, because it is apparent they know nothing of the IBM i5 > > I have used the HP8000 driver with some success. IBM introduced the AS/400 system in 19 It was an integrated system featuring hardware (AS/400) and an operating system (OS/400), along with many core functions such as an integrated database Both the hardware and the software have gone through many upgrades, revisions, and name changes over the years.

8th Generation Intel® Core™ i565U Processor with vPro™ (160 GHz, up to 410 GHz with Turbo Boost, 4 Cores, 8 Threads, 6 MB Cache) Operating System Windows 10 Pro 64 Display Type 140" HD (1366 x 768) antiglare, 2 nits Memory 16 GB DDR4 2400MHz (Soldered) Hard Drive 512 GB PCIe SSD AC Adapter 65W Graphics Integrated Intel® UHD. IBM Lenovo T460 14" iU 24GHz 8GB RAM 256GB SSD Win10 Pro C $ 0 bids C $14 shipping Picture Information Opens image gallery Image not available Mouse over to ZoomClick to enlarge X Have one to sell?. Page 34 IBM eServer i5/570 Model i5/570 CoD from 3300 to CPW Minimal Configuration Processor 1Ways Power5, 165GHz, L1L2L3 Cache Processing units available 10 Maximum partitions 10 Maximal Configuration Processor 16Ways Power5, 165GHz, L1L2L3 Cache Processing units available 160 Maximum partitions 160 iSeries.

9406 6807 4GB Disk IBM i5 iseries AS/400 AS400e 6607 Specifics IBM made several styles and many part numbers Need more information?. Lenovo ThinkCentre M93p Desktop Intel Core i5 4570T 290GHz, 8GB RAM, 128GB SSD, Window 10 Professional. For more than a century IBM has been dedicated to every client's success and to creating innovations that matter for the world.

This IBM® Redbooks publication provides specific setup information for various scenarios of Internet security Assuming readers have knowledge of the theories and conceptual parts of the related topics, this book aims to assist i5/OS network security administrators who need to set up any of the scenarios listed in the Table of Contents. IBM i5/OS Network Security Scenarios A Practical Approach Using chroot on the System i to Restrict ssh, sftp, and scp to Specific Directories Changing the Default Shell for Inbound SSH Connections OpenSSH on i Manual Pages The OpenSSH project provides a "reference manual" for their tools in Unix "man pages" For some reason, IBM did not. I5/OS is the name IBM has given to its newest release of OS/400 V5R3 i5/OS runs on IBM's i5 servers, which are based on IBM's Power5 microprocessors.

System i5 platform continues to expand the IBM systems management strategy in the following areas IBM standard management using IBM Director enables you on System i5 family to monitor, send commands, collect inventory and perform other functions across multiple heterogeneous operating environments. IBM i Program Conversion Getting Ready for 61 and Beyond;. Lenovo ThinkPad T470S 14" Intel Core i5 7300U 260GHz, 8GB RAM, 256GB SSD, WiFi, Window 10 Professional Lenovo ThinkPad T480 14" Intel Core i5 50U 170GHz, 16GB RAM, 256GB SSD, WiFi, Window 10 Professional Gen 3 Lenovo ThinkPad X1 Carbon 14" Intel Core i5 5300U 230GHz, 8GB RAM, 128GB SSD, WiFi, Window 10 Professional.

Vi IBM System i5, eServer i5, and iSeries System Builder IBM i5/OS Version 5 Release 4 121 AS/400 Model P02, P03, and 10S capacities 390. IBM i5/OS IP Networks Dynamic;. IBM integrates the System i and System p platforms into a single, unified server called Power Systems, which supports the IBM i (formerly i5), AIX (UNIX), and Linux operating systems.

IBM i5 Operating System V5R4 (5722SS1) 00 Prepare for Install PTFs for V5R1, V5R2 and V5R3 (SK3T)(IBM Corporation)(06)png. Electronic Service Agent for IBM i5/OS V5R3 Introduction to Electronic Service Agent for i5/OS V5R3 Electronic Service Agent for IBM i5/OS V5R3 is integrated into the base i5/OS V5R3 operating system It is no longer a separately installed LPO product Electronic Service Agent provides an automatic hardware problem reporting function that. AS/400(えーえすよんひゃく)、iSeries(あいしりーず)、System i(しすてむあい)はIBMのビジネス・アプリケーション用サーバー。 世界的にはミッドレンジコンピュータ、日本ではオフィスコンピュータと分類される場合が多い。 19年 IBM AS/400 当記事で記載;.

IBM eServer iSeries Security Guide for IBM i5/OS Version 5 Release 3;. Licensed Internal Code for i5/OS 545 9400DG3 Licensed Internal Code for i5/OS 540 9400DG3 Licensed Internal Code for iSeries. IBM Express Runtime Web Environments for i5/OS;.

IBM’s Steve Will talks AS/400, POWER9, IBM i 74, cognitive systems, and everything in between By HelpSystems Editor's note This article introduces the July 19 Webinar IBM i in 19 It’s Not Just AS/400, which is OnDemand and available to download and view from the MC Webcast Center True or False The IBM i operating system is just the AS/400 all over again. Lenovo ThinkPad E550 Intel Core i550U ( 2GHz 1600MHz 3MB) overview and full product specs on CNET. Lenovo ThinkPad E550 Intel Core i550U ( 2GHz 1600MHz 3MB) overview and full product specs on CNET.

Save up to 90% on IBM i5 525 and take advantage of our industryleading Lifetime Warranty Request a free quote today!. IBM Express Runtime Web Environments for i5/OS;. Collection News 09Oct IBMCommonzip IBMPDUvss Added ECJx Series High Function PDU Plus model front and rear views IBMServerPowerzip IBMServerPowervss Added Power IC922 front and rear views IBMDiskzip IBMStorageFlashSystemvss Added FlashSystem 5010, 5030, 5100, 70 and 90 front and rear views Archived IBM News.

IBM wants to expand the labor force available for its System i5 hardware line and increase the number of schools offering classes on the midrange technology, while ensuring that the training is. Older midrange computers, such as the S/36, force you to IPL the system before a new device can be used The i5 does not need an IPL;. IBM System i5 Servers The full line of used IBM System i Power5 and IBM i5 Servers and Upgrades are offered new and used by reseller Vibrant Technologies We maintain a vast inventory of IBM eServer I5 configurations, peripherals and parts for each model.

Boston University Libraries Services Navigate;. IBM i5/OS Intrusion Detection System;. IBM i5/OS Intrusion Detection System;.

Lenovo ThinkPad X2 Tablet 125" Core i5 25M 4 GB RAM 3 GB HDD with UltraBase Series 3 f Lenovo ThinkPad X2 Intel Core i525M (25GHz, 3MB L3, 1333MHz FSB) ku. The i5/OS Edition of the POWER6 model 570 is available as a 1/4way, 2/8way, or 4/16way system CBU Editions offer the option of a 1/4way, 1/8way, or 2/16way system By ordering the optional 1/4way processor enclosure MES, you can have a 12way system. From servers and mainframes to storage systems and software, IBM IT infrastructure provides the building blocks of a nextgeneration IT architecture.

The eServer i5 and p5 product lines may share many technologies, but their packaging and pricing for anything beyond base hardware is going to be unique, based on demand in their respective OS/400 and Unix server markets Nothing demonstrates this more than the pricing announcements that IBM made last week in the aftermath of the. 8th Generation Intel® Core™ i565U Processor with vPro™ (160 GHz, up to 410 GHz with Turbo Boost, 4 Cores, 8 Threads, 6 MB Cache) Operating System Windows 10 Pro 64 Display Type 140" HD (1366 x 768) antiglare, 2 nits Memory 16 GB DDR4 2400MHz (Soldered) Hard Drive 512 GB PCIe SSD AC Adapter 65W Graphics Integrated Intel® UHD. The new device becomes available immediately i5/OS is capable of configuring devices automatically, or it can let you do it manually If you want to use automatic configuration, change system value QAUTOCFG to '1'.

The i5/OS Edition of the POWER6 model 570 is available as a 1/4way, 2/8way, or 4/16way system CBU Editions offer the option of a 1/4way, 1/8way, or 2/16way system By ordering the optional 1/4way processor enclosure MES, you can have a 12way system. Lenovo ThinkCentre M93p Desktop Intel Core i5 4570T 290GHz, 8GB RAM, 128GB SSD, Window 10 Professional. The new IBM® eServer i5 servers extend the IBM eServer iSeries™ family They are the first servers in the industry based on the leadingedge IBM POWER5™ 64bit microprocessor Today’s eServer i5 servers give the flexibility to move from one generation of technology to another without disrupting a company’s business.

From servers and mainframes to storage systems and software, IBM IT infrastructure provides the building blocks of a nextgeneration IT architecture. Vi IBM System i5, eServer i5, and iSeries System Builder IBM i5/OS Version 5 Release 4 121 AS/400 Model P02, P03, and 10S capacities 390. IBM i5/OS Network Security Scenarios A Practical Approach Using chroot on the System i to Restrict ssh, sftp, and scp to Specific Directories Changing the Default Shell for Inbound SSH Connections OpenSSH on i Manual Pages The OpenSSH project provides a "reference manual" for their tools in Unix "man pages" For some reason, IBM did not.

LDAP Gateway The LDAP Gateway is built on Java Technology and allows portability across various platforms and operating systems The LDAP Gateway receives LDAPv3 protocol commands from EmpowerID and translates them to native mainframe commands.

Iseries Performance Capabilities Reference I5 Os Version 5 Migration From Traditional Models 32 2 10 Managing Interactive Capacity Sap Notesbench Specjbb2000 Volanomark

Iseries Performance Capabilities Reference I5 Os Version 5 Migration From Traditional Models 32 2 10 Managing Interactive Capacity Sap Notesbench Specjbb00 Volanomark

Low Price Ibm X201 Core I5 2 56ghz Core I7 Supported

Low Price Ibm X1 Core I5 2 56ghz Core I7 Supported

Lenovo Ibm Thinkpad T420 Intel Core I5 2 5ghz 8gb Ram 240gb Ssd Refurbished Walmart Com Walmart Com

Lenovo Ibm Thinkpad T4 Intel Core I5 2 5ghz 8gb Ram 240gb Ssd Refurbished Walmart Com Walmart Com

Ibm I5 のギャラリー

Zzzibm Iseries As 400 System I I5 Ibm I Arctools

Ibm Lenovo Thinkpad X2 Multitouch Tablet Core I5 4gb 160gb Ssd Windows 7 Ips Best Laptops Lenovo Thinkpad Lenovo

Ibm 9406 550 Iseries System 0910 7155 2x V5r4 I5 Os License

Ibm 9406 5 Power5 System I5 5 Cpw 600 30 Ibm System Technology

Ibm Lenovo Thinkpad T410 Laptop Intel Core I5 2 4ghz For Parts Or Repair

As400 Operating System Iseries Introduction

Ibm As 400 And Iseries Host Available In Germany Life In The I T Fast Lane

New Ibm I Technology Refreshes Sort Of Ibm I Os 400 I5 Os Operating Systems It Infrastructure

Ibm I Series Model 550 P 3800 Cpw 1 4 Way

Ibm I Has Now Had More Life Than The As 400 Did Ibm I Os 400 I5 Os Operating Systems It Infrastructure

Ibm Eserver As 400 I5 9406 550 Server Storage System Arrays Hdd Cards

Ibm Thinkpad 41 Intel Core I5 T8400 2 53ghz 2gb Ram No Hdd N450 Parts

I3 Used Ibm Thinkpad I5 Laptop Screen Size 14 Inch 2 Gb Id

Ibm I5 Os Intrusion Detection System Ibm Redbooks

Blowing The Dust Off Of An Ibm As 400 Server Hackaday

Ibm Lenovo T430s Thinkpad I5 33m 123 Informatica

Ibm I5 Operating System V5r4 5722 Ss1 Ibm Corporation Free Download Borrow And Streaming Internet Archive

Ibm Thinkpad Lenovo Yoga I5 4300u 1 9ghz 8gb Ram 256gb Ssd Win 10 Laptop Eur 399 27 Picclick Fr

Ibm System I5 570 And 595 Spectra

Using Ruby On Ibm I I5 Os

Buy Ibm Iseries 9406 5 906 7736 2 Way 4gb Mem Dvd 6x4326 V6r1 I5 Server A1abc

Ibm 9406 5 Power5 System I5 5 Cpw 600 30 Flagship Flagship Tech Flagship Technologies

Ibm 9407 515 I5 Iseries Server Express Configuration 6011

9406 4317 6717 8gb 10k Disk Ibm I5 Iseries As 400 Ebay

Amazon Com Lenovo Ibm Thinkcentre M Business Premium Desktop Pc Small Form Factor Sff Intel Qual Core I5 Up To 3 6ghz Cpu 16gb Ddr3 Ram 3tb Hdd Dvd Windows 10 Professional Renewedd Computers

Index Of Test 0 Matos Guillaume Ibm System I5 Type 9407 515 Sn 65 0cd7a

Ibm Eserver Wikipedia

Ibmi Iseries I5 As400 Power Systems

Index Of Test 0 Matos Guillaume Ibm System I5 Type 9407 515 Sn 65 0cd7a

Ibm Eserver I5 570 Highly Flexible Productive And Resilient

Ibm 9406 570 I5 Iseries Model Power570 Server 0934 7747 1x O S V6r1 W Rails

Ibm 9406 525 I5 525 Express System I 525 Server 0909 7790 9406 Flagship Tech

Ibm I History And Timeline System 38 To As 400 To Ibm I

Ibm I As400 Iseries Rpg Programming Consulting Norman Oklahoma City

Smb Signing And Ibm I Netserver Support

Ibm Eserver I5 5 With New Power5 Technology Simplifies Your It Infrastructure

Mnc Used Old Ibm Thinkpad Laptop Core I5 2nd 4gb 3gb 14 Screen Computers Laptops

Ibm Lenovo 04x4052 2 50ghz 5gt S 3mb Pga946 Intel Core I5 40m Dual Core Cpu Processor Cpu Medics

Ibm System I Wikipedia

As400 Is Extinct Iseries Is Dead Long Live Ibm I Nick Litten Ibm I As400 Iseries Software Developer

Ibm 9406 525 System I5 With 4x 141 12 Gb Drives Mw Ebay

How To Find What Version Of Ibmi Ibm Iseries As400 Operating System Is Installed

Happy 31st Birthday Ibm I Fresche Solutions

Buy Ibm Lenovo Thinkcentre 08 Sff Desktop Computer

4328 141 12 Gig 15k Drive Ibm I5 Iseries As 400 As400e

Use Php Scripts To Access Db2 Udb For Iseries Data With Zend Core For I5 Os

Ibm Iseries Servers As 400 System I

Ibm Lenovo 03t7163 3 40ghz 5gt S Lga1150 6mb Intel Core I5 4670 Quad Core Cpu Processor Cpu Medics

Ibm Thinkcentre M91 4gb 750gb Hdd Intel Core I5 3 3ghz Cnb Computer Inc

Why For Most Ibm I Shops Ddm Is Their Worst Vulnerability Ibm I Os 400 I5 Os Security

Ibm I5 9406 Model 5 P05 500 30 Cpw 1 Way

Remove Interact Memory Pool On Ibm I5 Iseries Sap Blogs

Ibm I5 Iseries Primer Mc Press Bookstore

Ibm 9406 5 Iseries I5 Server 9406 Model 5 0975 7350 With V5r4 Processor

Ibm As400 Erp Software Ibm Iseries Erp Software Jobscope

Ibm 14 Intel Core I5 Windows 7 Laptop W Choice Of Ram Hdd Operating System Refurbished Shophq

Operating Systems Ibm I O5 400 I5 Os

9406 4319 6719 35gb 10k Disk Ibm I5 Iseries As 400 As400e Ebay

Ibm 3677 139 5gb 15k Rpm Sas 3 5 Hot Swap Hard Drive Hdd I5 433c

Ibm Lenovo Thinkpad T4s Core I5 2 50ghz 25m 8gb Ram 128gb Ssd Windows 7 Pro

Application And Program Performance Analysis Using Pex Statistics On Ibm I5 Os Turner Rick Hatt Deborah Cook Jim Amazon Com Books

Blue Hill Data Services Iseries On Demand

Interform A S Intelligent Output Management

Lenovo Ibm Thinkpad T4 Premium Intel I5 25m Processor 8gb Memory 240gb Ssd Wifi Dvd Win 7 Pro Refurbished Walmart Com Walmart Com

Ibm 9406 5 Iseries I5 Server 9406 For Sale Online Ebay

Ibm System I5 Type 9406 5 Server Ebay

W5 Ibm Thinkpad Workstation Core I5 2 67ghz

Amazon Com Ibm Lenovo Thinkpad T430s Core I5 3210m 2 5ghz 8gb 128gb Ssd 14 1 Win 8 Webcam Computers Accessories

Ibm Thinkcentre M90 Intel Core I5 3 3ghz 6gb 750gb Dvd Rw Refurbcatest

Ibm Iseries System Handbook E I5 And

Timeshare400 Ibm I Development For Everyone

Old Mnc Used Ibm Thinkpad T450 Core I 5 5th 8gb Ram 500gb 14 Screen Computers Laptops

Ibm Systems Director Navigator For I5 Os

Ibm 9407 515 4901 Power5 Iseries Server 1 9ghz 4gb 4x 70gb 3800 Cpw Os 5 4 Rackmount

Ibm I Commands

Index Of Test 0 Matos Guillaume Ibm System I5 Type 9407 515 Sn 65 0cd7a

Buy Ibm Iseries 9406 5 906 7736 2 Way 4gb Mem Dvd 6x4326 V6r1 I5 Server A1abc

Ibm Thinkcentre M90 4gb 500gb Hdd Intel Core I5 3 3ghz Cnb Computer Inc

Bvs2yz5sgev Lm

Ibm I Wikipedia

Ibm System I5 Type 9405 5 Accessories And Licenses S N 10 1c8ec Ebay

Refurbished Ibm M91p Desktop Pc With Intel Core I5 650 Processor 4gb Memory 750gb Hard Drive And Windows 10 Pro Monitor Not Included Walmart Com Walmart Com

Amazon Com Lenovo Ibm M90p Small Form Factor Business Desktop Computer Intel Dual Core I5 Up To 3 46ghz Processor 8gb Ddr3 Ram 2tb Hdd Dvd Windows 10 Home Renewed Computers Accessories

63y1513 Ibm Core I5 Mobile I5 5m 2 Core 2 40ghz Pga9 3 Mb L3 Processor

Changing The Tcp Ip Address Of The Ibm System I System

Ibm As 400 9406 Model 525

Ibm As400 Iseries Ibmi Command Cheat Sheet Faq

Ibm System I Wikipedia

Execute Query Error 400 Ibm System I Access Odbc Driver Db2 For I5 Os Sql0104 Build Uipath Community Forum

Blowing The Dust Off Of An Ibm As 400 Server Hackaday

Happy 31st Birthday Ibm I Fresche Solutions

I5 Iseries Model 570 P30 6350 100 Cpw 2 4 Way

Ibm System I Wikipedia

I3 Used Ibm Thinkpad I5 Laptop Screen Size 14 Inch 2 Gb Id

Security Ibm I Os 400 I5 Os

Ibm As 400 9406 Model 550