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Release Notes
WITE32
Version 3.11
6/28/2004
Copyright 2004 Guzik Technical Enterprises. All rights reserved
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WITE32 Release Notes Version 3.11 Table of Contents Chapter 1 New Hardware Supported in WITE32.................................................................................................... 3 1.1 Support of Servo Revision 3 for RWA-2000 Series....................................................................................................................................3 1.2 Comb Loader for Guzik V2002 Spinstands ................................................................
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WITE32 Release Notes Version 3.11 CHAPTER 1 NEW HARDWARE SUPPORTED IN WITE32 1.1 Support of Servo Revision 3 for RWA-2000 Series WITE32 software version 3.11 supports the RWA-2000 series of testers equipped with Servo Revision 3. Please refer to the Guzik Servo Revision 3 For RWA-2000 Series document P/N 02-107283-03 for more details on the new features of Servo Revision 3. From the operation and WITE32 user interface point of view, Servo Revision 3 is the same as Servo Revision
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WITE32 Release Notes Version 3.11 1.4 Micro Actuator Support for Guzik V2002 Spinstands A Micro Actuator is a device located on the suspension of a magnetic head that can transform applied voltage to the radial displacement of the head. Micro Actuator testing is supported on Guzik V2002 Spinstands starting from WITE32 version 3.11. The Micro Actuator configuration and operation is described in the Micro Actuator Tests User's Guide P/N 02- 107264-02. Please also refer to section 2.3.2.
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WITE32 Release Notes Version 3.11 1.5 Head Amplifiers The following head amplifiers are initially supported in WITE32 version 3.11: • 81G214M • 81G5114D • 81G5114P • GTEMR4PP • MINI • MR5M_M • MUX_SR1795BAA • PA7500 • PA7501 • PA7515 • SR1671 • SR1850B • SR1852 • SR1880 • TLS26A954AA • TLS26D714 • WABASH3x2 1.6 Head Stacks The following head stacks are initially supported in WITE32 version 3.11: • 81G214M – MAGELLAN_81G214M • PA7540B – NOVA_PA7540B • SR1641 – SCORPIO
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WITE32 Release Notes Version 3.11 CHAPTER 2 WITE32 MODIFICATIONS 2.1 New System Erase and System Band Erase Configuration Two new system configuration sets are introduced in WITE32: System Erase and System Band Erase. All tests and operations, which invoke erase operation or band erase operation, use the System Erase and System Band Erase settings or allow you to specify custom parameters for erase or band erase. This modification has two purposes: 1. The AC erase operation must b
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WITE32 Release Notes Version 3.11 There are two frames in the dialog box – the Erase Parameters frame and the Band Erase Parameters frame. The Erase Parameters frame allows you to define the erase configuration. The Iterations text box Defines the number of repetitions for each erase operation at each offset The Mode option buttons Defines the erase modes: • Positive DC – the DC erase operation using the positive write current for one revolution. • Negative DC – the DC erase operat
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WITE32 Release Notes Version 3.11 CAUTION: When you upgrade tos WITE32 version 3.11 from the previous versions of WITE32, the product update procedure performs the conversion of the old band erase configuration (specified in terms of number of tracks to erase) to the new band erase configuration (specified in terms of From, To, and Step values). This conversion uses the track size value specified in the Product Parameters dialog box for the selected ! spinstand driver. Please make s
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WITE32 Release Notes Version 3.11 The following is the SNR test configuration dialog box in WITE32 version 3.10 (provided as an example): Original erase operation parameters Figure 3 SNR Test Configuration in WITE32 version 3.10 The following is the new SNR test configuration dialog box in WITE32 version 3.11: A new button opens a configuration dialog box for erase operation Figure 4 SNR Test Configuration in WITE32 version 3.11 Guzik Technical Enterprises 9
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WITE32 Release Notes Version 3.11 The new Erase Setup button is added to the configuration dialog box of the test. When it is clicked, an Erase configure dialog box will open: The caption shows which test erase operation configuration is being edited Selects between using a System Erase configuration or Custom Erase configuration Figure 5 SNR Test Erase Configuration in WITE32 version 3.11 2.1.4 Tests With Band Erase Configuration The following tests perform a band erase operation
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WITE32 Release Notes Version 3.11 The following is the Low Erase Current test configuration dialog box in WITE32 version 3.10: Original erase operation parameters Original band erase operation parameters Figure 6 Low Erase Current Test Configuration in WITE32 version 3.10 The following is the new configuration dialog box in WITE32 version 3.11: A new button opens erase configuration dialog box Figure 7 Low Erase Current Test Configuration in WITE32 version 3.11 Guzik Tech
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WITE32 Release Notes Version 3.11 The following is an example of the Band Erase dialog box, which opens after you press the Erase Setup… button in the test configuration dialog box: The caption shows which test erase operation configuration is being edited Selects between using a System Erase configuration or Custom Erase configuration Figure 8 Low Erase Current Test Band Erase Configuration in WITE32 version 3.11 2.1.5 Tests With Erase Preconditioning A new System Erase option is a
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WITE32 Release Notes Version 3.11 2.2 New Adjacent Track Interference Module (WATI) The new Adjacent Track Interference module (WATI module) is added to WITE32 package. This module contains one test – the Adjacent Track Interference test. Please refer to the WATI Module Users Guide (P/N 02-107268-02) for the description of the WATI module and the test. The WATI module requires a license and possible hardware upgrade; please contact sales@guzik.com and provide them your RWA and Spinst
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WITE32 Release Notes Version 3.11 2.3.2.1 Dialog Box Layout and Tab Pages The parameters in the Product Parameters dialog box are grouped into three tab pages: • The Disk tab page. This page contains controls and parameters related to disk geometry such as disk type, minimum radius, maximum radius, direction of rotation and speed (RPM), device options, disk working area, skew angle parameters, start and stop options. • The Heads tab page. The page contains a number of parameters relat
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WITE32 Release Notes Version 3.11 2.3.2.2 Changes of the Disk Type Control The following two changes are introduced in the Disk Type control starting from WITE32 version 3.11: • The Disk type 2.756 Inch (70 mm) is now supported. This disk type is added to the Product Parameters dialog box. • The Disk type 1.3 Inch is no longer supported. The chuck design for 1.3 Inch disk never existed for V2002 spinstand, this option is removed from the Disk Type control in the Product Parameters di
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WITE32 Release Notes Version 3.11 2.3.2.3 Head Geometry Parameters The mounting angle of the head suspension on the V2002 cartridge may vary due to a different angle, in which the mounting block is installed on the cartridge. In order to switch between products that have different mounting angles of the head on the cartridge the Cartridge Angle parameter is added to the CCW and CW Head Parameters. The Cartridge Angle is an angle in degrees between the center line of the head and the he
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WITE32 Release Notes Version 3.11 2.3.2.4 Micro Actuator Parameters In order to start working with Micro Actuator it has to be enabled and configured. The new controls are added to the Product Parameters dialog box. Figure 13 Micro Actuator Parameters in the V2002 Product Parameters Dialog Box The controls for the Micro Actuator configuration are grouped into two frames – CCW Micro Actuator Parameters and CW Micro Actuator Parameters. The following parameters are configured for each a
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WITE32 Release Notes Version 3.11 • The Use CCW Micro Actuator Parameters check box indicates that CCW parameters will be applied to the CW Micro Actuator. Please enable this check box if configurations of both CW and CCW actuators are identical, such that you do not have to configure the same parameter twice. The parameters of the CCW and CW micro actuators can be configured independently, or you can apply the CCW Micro Actuator Parameters to the CW Micro Actuator by enabling the CCW
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WITE32 Release Notes Version 3.11 • Changes in the configuration of Guzik Technical Enterprises PCI boards (adding/removing/changing PCI slot) on the host computer do not require to reinstall the driver from the WITE32 installation disk. 2.5 The Write With Retries Operation A new type of operation is implemented in WITE32 revision 3.11: the Write With Retries operation. This is a special case of the write operation when the RWA shuts down the write gate in the sectors, in which the spi
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WITE32 Release Notes Version 3.11 2.6 TAA Calibration Through Programmable Differentiator Starting from WITE32 version 3.11, the calibration of amplification of programmable differentiator filters is not performed during TAA calibration. All programmable differentiators are assumed to have the same amplification at their cutoff frequencies as the Open filter. This means that if the spectral content of the signal is located below the cutoff frequency of a programmable differentiator, t
