IBM IBM PERSONAL SYSTEM/2 MODEL 25 720KB 1-INCH HIGH DISKETTE DRIVE OPTION IBM Announcement Letter Number 189-145 dated September 26, 1989 IBM US - Last Revised on September 26, 1989 Brief Description of Announcement, Charges, and Availability The Personal System/2 (R) (PS/2 (R)) Model 25 720KB 1-inch High Diskette Drive Option (#1056) (6451056) allows the user to install a second 3.5-inch 720KB diskette drive in a PS/2 Model 25 (8525-001, G01, 004 and G04). This diskette drive is functionally equivalent to feature #4106 (78X8956). Feature #1056 must be installed in Model 25s with serial numbers greater than 100,000. (For visual reference, the first diskette drive indicator light must be BELOW the media insertion slot.) For installed Model 25s with serial numbers less than 100,000, continue to order feature #4106. PURCHASE DESCRIPTION PRICE 8525 720KB Diskette Drive (#1056) (6451056) $ 155 Planned Availability Date: September 26, 1989 (R) Registered trademark of International Business Machines Corporation. Customer Letter Section HIGHLIGHTS o 3.5 Form Factor o 1-inch high diskette drive o Standard function (read/write/format) o Access time: 6ms o Track density: 135 TPI o Transfer rate: 250K bits/sec DESCRIPTION The Personal System/2 Model 25 720KB 1-inch High Diskette Drive Option (#1056) (6451056) contains the diskette drive, bezel, diskette drive slide, diskette drive screws, and installation instructions that provide the capability to install the diskette drive on the Personal System/2 Model 25. PUBLICATIONS The following publications are shipped with the feature. Additional copies are not available. PART TITLE NUMBER Operating and Installation Instructions 6280352 Hardware Maintenance Supplement 15F2116 SLSS is not available. SCHEDULE The planned availability date is September 26, 1989. TECHNICAL INFORMATION SPECIFIED OPERATING ENVIRONMENT PHYSICAL SPECIFICATIONS: o Width -- 101.6mm (4 inches) o Depth -- 157.5mm (6.2 inches) o Height -- 25.4mm (1.0 inches) o Weight -- 450g (1 pound) OPERATING ENVIRONMENT: o Temperature -- 10.0 to 51.7 (degs)C (50 to 125 (degs)F) o Relative Humidity -- 8 to 80% o Wet Bulb -- 29.4 (degs)C (85 (degs)F) MACHINE REQUIREMENTS: The Personal System/2 Model 25 720KB 1-inch High Diskette Drive Option (#1056) (6451056) is compatible with the PS/2 Model 25 with serial numbers above 100,000. PROGRAMMING REQUIREMENTS: IBM Disk Operating System (DOS) Version 3.3 or later. LIMITATIONS: This diskette drive is addressed as drive B. The IBM Personal System/2 5.25-inch External Diskette Drive (4869001) announced in Product Announcement 187-060, dated April 2, 1987, is also addressed as drive B. These functions cannot be installed together. The IBM Personal System/2 5.25-inch External Drive requires a cable (#1033) (6451033) for installation. PLANNING INFORMATION CUSTOMER RESPONSIBILITIES: The Personal System/2 Model 25 720KB 1-inch High Diskette Drive Option is designated as customer setup. Instructions are included. CABLE ORDERS: No cables are required. INSTALLABILITY: Following the setup instructions, the user attaches the diskette drive to the PS/2 Model 25. Power is then turned on and setup is run as instructed on the screen. PROBLEM DETERMINATION: If a failure is found at initial installation, an instruction will appear on the screen. Diagnostics are run from the system in which the drive is installed and are included on the Startup Diskette for the supported system. PACKAGING PRODUCT SHIPMENT GROUP PS/2 Model 25 720KB 1-inch High Diskette Drive 720KB 1-inch Bezel (face plate) Diskette Drive Two screws Option Slide Publication, including installation instructions ACCESSORIES AND/OR SUPPLIES: 3.5-inch, 1.0MB diskettes (6404107) can be purchased from IBM Authorized Supplies Dealers, IBM Authorized Distributors, or IBM Direct Response Operations (DRO). Call IBM at 800 IBM-2468. Mail orders should be sent to: IBM Corporation IBM Direct Response Operations One Culver Road Dayton, NJ 08810 SECURITY, AUDITABILITY AND CONTROL This product utilizes the security and auditability features of the PS/2 Model 25 host software programs. User management is responsible for evaluation, selection and implementation of security features, administrative procedures and appropriate controls in application systems and communications facilities. TERMS AND CONDITIONS WARRANTY PERIOD: One year. FIELD INSTALLABLE FEATURE: Yes. CUSTOMER SETUP: Yes. All other terms and conditions are the same as those applicable to the Personal System/2 Model 25. CHARGES FEATURE PURCHASE DESCRIPTION NUMBER PRICE PS/2 Model 25 720KB 1-inch High Diskette Drive Option 1056 $ 155