Related Manuals for DEC 525-MB
Summary of Contents for DEC 525-MB
-
Page 1: Installation Guide
DECpc 525-MB IDE Hard Disk Drive Installation Guide EK-XARCG-IA. A01 Digital Equipment Corporation Maynard, Massachusetts... - Page 2 Computer Software clause at DFARS 252.227-7013. © Copyright Digital Equipment Corporation. All Rights Reserved. Printed in U.S.A. The following are trademarks of Digital Equipment Corporation: DEC, DECpc, and the Digital logo. The following is a third-party trademark: MS-DOS is a registered trademark of Microsoft Corporation.
-
Page 3: Kit Contents
Installation Guide Kit Contents The 525-MB hard disk drive kit contains the following: Item Order Number One disk drive RE25L Two expansion brackets 74-44337-01 Four screws, #6-32 x 3/16-inch 90-08020-01 Four screws, #6-32 x 1/4-inch 90-00038-19 DECpc 525-MB IDE Hard Disk... - Page 4 Installation Guide Drive Configuration Overview Drive configuration depends on whether the drive operates as a master or a slave. If the drive operates as a... Then... Master (boot drive) Use the factory-default jumper setting Slave (secondary drive) Reconfigure the jumpers The jumpers are located at J9 and J12 on the printed circuit board (Figure 1).
- Page 5 Installation Guide Table 1. Jumper Functions and Default Settings Jumper Function Default Setting Reserved for factory use Open Cable select Open Synchronization (disk array) Open Slave present Open † Drive select Jumpered * Only located at J9 † DS jumpered at J9 and DS open at J12 Drive Select (DS) Jumper Configurations The drive is configured at the factory as a master drive with the DS pins jumpered on J9.
-
Page 6: Installing The Drive
Installation Guide You can jumper the DS pins at either the J9 or J12 control connector location. Example: If you jumper the DS pins at J12 to configure a master drive, park the jumper (if installed) on J9. The drive has drive active slave present (DASP) signal capabilities to check for the presence of a slave drive. - Page 7 Installation Guide _______________________ Note _____________________________ Depending on the layout of your computer, you may find it easier to connect the cables (described in step 5) before you mount the drive in the bay. 4. Mount the drive in a drive bay. If you mount the drive in a 5¼-inch bay, attach the expansion brackets (Figure 3).
- Page 8 Installation Guide 5. Connect the IDE cable and 4-pin DC power cable (Figure 4). IDE Cable 4-Pin Power Cable L J - 0 3 0 4 1 - T I 0 Figure 4. Connecting Cables 6. Verify that your computer has an ISA or an EISA bus. Configuration Utility ISA (16-bit) System setup utility...
- Page 9 Installation Guide Table 3. Logical Addressing Parameters Size Formatted Heads Cylinders Precomp Landing Sectors Capacity Zone 525 MB 525 MB 1017 If you select an adapter board instead of the computer's main logic board IDE hard disk controller, disable the computer's main logic board IDE hard disk controller.
-
Page 10: Specifications
Installation Guide Specifications The following table describes operational specifications: Table 4. Operational Specifications Characteristics Specifications Capacity (formatted) 525 MB Number of disks Number of read/write heads Track density (tracks per inch) 2670 Logical characteristics • Cylinders 1017 • Heads • Sectors per track •...
Need help?
Do you have a question about the 525-MB and is the answer not in the manual?
Questions and answers