RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START SCSI RIGHT. FROM THE START RIGHT. FROM THE START Disk Drives Installation Instructions RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START RIGHT. FROM THE START PDI-00436-20,Rev.
1995 Alpha Microsystems REVISIONS INCORPORATED REVISION 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 DATE Mar. 1990 Apr. 1990 May 1991 July 1991 Aug. 1991 Sept. 1991 Jan. 1992 Apr. 1992 July 1992 Dec. 1992 Jan. 1993 Mar. 1993 Apr. 1993 Sept. 1993 Nov. 1993 Dec. 1993 SCSI Disk Drives Installation Instructions To re-order this document, request part number PDI-00436-20. The information contained in this manual is believed to be accurate and reliable.
Installation Instructions: SCSI Disk Drives Page i TABLE OF CONTENTS 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3.0 TOOLS REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4.0 HANDLING SCSI DISK DRIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5.
Page ii Installation Instructions: SCSI Disk Drives APPENDIX B - AM-436-20 (40MB) AND AM-436-21 (80MB) SCSI DRIVES APPENDIX C - AM-436-25 (-01) 120MB SCSI DRIVE APPENDIX D - AM-436-24 (-13) 203MB SCSI DRIVE APPENDIX E - AM-436-15 (-23) 324MB SCSI DRIVE APPENDIX F - AM-436-20 (-00) 40MB AND AM-436-21 (-11) 80MB SCSI DRIVES APPENDIX G - AM-436-20 (-00) 40MB AND AM-436-21 (-11) 80MB SCSI DRIVES APPENDIX H - AM-436-29 (-19) 234MB AND AM-436-26 (-14) 203MB SCSI DRIVES APPENDIX I - AM-436-30 (-18) 324MB SCSI DR
Installation Instructions: SCSI Disk Drives Page 1 1.0INTRODUCTION This document describes the installation of both 3-1/2" and 5-1/4" SCSI disk drives into an Alpha Micro computer. It is written for the experienced Alpha Micro Service Technician, so if you do not feel comfortable performing the hardware and software procedures discussed in this document, please contact your Alpha Micro Dealer or the Alpha Micro Technical Support Group for help.
Page 2 Installation Instructions: SCSI Disk Drives 3.0TOOLS REQUIRED For most installations, the only tools you will need are: A #2 phillips-head screwdriver. A pair of needle-nose pliers, used for removing or installing SCSI drive ID jumpers. An ohm meter, used to verify the signal ground on the disk drive is not shorted to chassis ground (not required in Series 90 Applications). 4.0HANDLING SCSI DISK DRIVES Disk drives can be damaged easily when handled improperly: 1.
Installation Instructions: SCSI Disk Drives Page 3 6.0SCSI TERMINATION USING EXTERNAL TERMINATOR OPTION The preferred method of terminating the SCSI bus in an AMOS based computer is the installation of an external terminator. In Early April of 1993, the external SCSI bus terminator became standard on all AMOS based computer configurations.
Page 4 Installation Instructions: SCSI Disk Drives Figure 1 shows two different types of external SCSI connectors. 1.Configuration"A" shows an extended external SCSI connector and bail locks for holding the terminator in place. This configuration is used on almost all of Alpha Micro’s currently available product. The terminator is installed by sliding it over the connector and then latching the bail locks into the notches in the terminator. 2.Configuration"B" shows a flush mounted external SCSI connector.
Installation Instructions: SCSI Disk Drives Page 5 7.0TERMINATOR POWER In order to properly terminate the SCSI bus, one of the SCSI peripherals must be configured to supply termination power to the SCSI bus. Use the following guidelines to determine which peripheral will be used to supply termination power for the SCSI bus: 1.Whenever possible, only one SCSI peripheral will be configured to supply termination power to the SCSI bus. 2.
Page 6 Installation Instructions: SCSI Disk Drives 8.0SCSI DRIVE INSTALLATION (AM-1400/1600 COMPUTERS) This section details how to install a replacement 3-1/2" SCSI drive into your AM-1400 or AM-1600 computer. AM-1400 and AM-1600 computers do not require a 5-1/4" mounting bracket. SCSI disk drives used in AM-1400/1600 computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground.
Installation Instructions: SCSI Disk Drives Page 7 If your old SCSI drive is still in place, remove the four screws that attach the drive to the mounting brackets and remove the drive from the enclosure. Before installing your new drive, take a look at the mounting brackets that support the 3-1/2" SCSI drive. The brackets should have some insulating material on the inside edges where the drive and the mounting bracket make contact.
Page 8 Installation Instructions: SCSI Disk Drives When ordered as independent demand, the PRF-00113-00 and (-20) mounting brackets are shipped unassembled. For most applications the 5-1/4" front bezel is not required. If your application does not require a front bezel, all you need to do is attach the rails to the drive as shown in Figure 4. PRF-00113-10 3-1/2" SCSI DRIVE MOUNTING BRACKET. PRF-00113-20 3-1/2" SCSI DRIVE MOUNTING BRACKET.
Installation Instructions: SCSI Disk Drives Page 9 A 3-1/2" SCSI drive is installed in the bracket as shown in Figure 4. The drive is held in place with four screws, two in each side. The illustration shows the drive being mounted in the DWB-00113-10 bracket, but the procedure is virtually the same for all mounting brackets. PRF-00113-10 3-1/2" SCSI DRIVE MOUNTING BRACKET.
Page 10 Installation Instructions: SCSI Disk Drives 9.13-1/2" SCSI Drives in Series 90 Computers Series 90 computers also require 5-1/4" mounting brackets in order to mount 3-1/2" SCSI disk drives. For Series 90 AM-940, AM-980, and AM-990 computers, the drive is installed in the bracket as previously described, but the addition of two plastic mounting rails is required to be Series 90 compatible. These two plastic rails are held in place with two screws as shown in Figure 5.
Installation Instructions: SCSI Disk Drives Page 11 PIN 1 ------> Plugging the 50-pin interface cable in backwards can damage the drive. Plug the 4-pin power cable into the drive. This connector is keyed so you can’t go wrong. 10.0ISOLATING SIGNAL AND CHASSIS GROUNDS For all AMOS 680X0 applications it is important to prevent the disk drive’s DC (signal) ground from being shorted to the computer’s AC (chassis) ground.
Page 12 Installation Instructions: SCSI Disk Drives Checking Individual Peripherals for Shorts to Chassis Ground 1.To determine if a peripheral is shorted to chassis ground, disconnect the peripheral’s power and interface cables, but do not loosen or remove any of the peripheral’s mounting hardware. Use an ohm meter to measure between chassis ground and either of the two middle pins on the peripheral’s power connector.
Installation Instructions: SCSI Disk Drives Page 13 10.2Drive Isolation (AM-1400/1600 Computers) In AM-1400 and AM-1600 computers, 3-1/2" SCSI disk drives are installed as described in Section 6. Unlike most of the other applications, no 5-1/4" mounting bracket is required for AM-1400/1600 computers.
Page 14 aa Installation Instructions: SCSI Disk Drives This isolator is used in AM-1400/1600 applications for mounting 1-3/4" thick 3-1/2" SCSI disk drives. DWF-20525-01 Self-Adhesive Strip a MAC687 Figure 7 The isolator has two sets of holes, allowing both Quantum or Maxtor drives to be used. Once the isolator is positioned around the drive, it can be placed in its mounting position inside the chassis. The drive will be held in place using four nylon screws and metal washers as shown in Figure 6.
Installation Instructions: SCSI Disk Drives Page 15 FRONT BEZEL NYLON SHOULDER WASHERS (HDW-10004-07) METAL SUPPORT BRACKET DWF-20260-00 SCSI DISK DRIVE MAC688 Figure 8 10.4Drive isolation (AM-990 Universal VME Enclosure) Disk drives mount inside the AM-990 chassis using plastic slide rails. One rail installs on each side of the peripheral. Because the mounting rails are made of plastic, they prevent the drive from making metal to metal contact with the chassis.
Page 16 Installation Instructions: SCSI Disk Drives Under AMOS 2.2 (or later) operating systems, you can divide your hard disk drive into logical splits larger than 32MB. In fact, you could take a 540MB drive and make it one giant 540MB logical. While this is perfectly acceptable, you may get a memory allocation error when running programs that load a copy of the bitmap into your memory partition—e.g., DSKANA and MONTST.
APPENDIX A CONFIGURING AMOS SCSI DISK DRIVES A.1BOOTING FROM A SCSI DRIVE (AMOS ONLY) This section describes the process of making your new SCSI drive bootable. Your drive was formatted by Alpha Micro prior to shipment, therefore the procedure for formatting the drive is not discussed. However, the SCSI drive format program, FMTSCZ, is described in detail in Alpha Micro’s System Commands Reference Manual. A.1.
Page A-2 Configuring AMOS SCSI Disk Drives System disk driver: SCZDVR.DVR RETURN Number of logical units: 3 RETURN Bitmap size: 3413 RETURN Language definition table: ENGLSH RETURN System terminal interface driver: AM130 RETURN System terminal interface port number: 0 RETURN System terminal interface baud rate: 9600 RETURN Enter number of SECONDARY DEVICE(S) to be defined into system, one per line. Enter blank line to terminate loading.
Configuring AMOS SCSI Disk Drives Page A-3 All other user will users will be suspended while VCRSAV is running. Enter RETURN to continue or CTRLC to abort: RETURN The tape you have created will be compatible with your new 80MB SCSI disk drive. Once you have installed your new drive, use your WARMBOOT tape to boot your new drive. To restore the software enter the following command: VCRRES ALL:*.*[]=ALL:*.*[] RETURN A.1.
Page A-4 Configuring AMOS SCSI Disk Drives Example: :T JOBS 1 JOBALC JOB1 ; TRMDEF TERM1,AM130=0:19200,AM62A,100,100,100 ; DEVTBL DSK1,DSK2 DEVTBL TRM,RES,MEM DEVTBL /VCR0 ; BITMAP DSK,,0,1,2 ; ERSATZ ERSATZ.INI ; SYSTEM CMDLIN.SYS SYSTEM SYSMSG.USA SYSTEM MOUNT.LIT SYSTEM ; SET GUARD SET DSKERR SET HEX ; MOUNT DSK1: MOUNT DSK2: ; VER MEMORY 0 Note that no Bitmap size was allocated in the sample Initialization file above. Self-configuring drives do not require pre-allocating a bitmap size.
Configuring AMOS SCSI Disk Drives Page A-5 After booting from the SCSI drive perform the initial system testing procedure outlined in the next section. A.2INITIAL SYSTEM TESTING Once the computer has successfully booted, it’s time to test your newly installed SCSI disk drive. Use the SYSTAT command to determine the current status of your newly installed SCSI drive, type: SYSTAT RETURN Observe the terminal display and check the status of both the newly installed SCSI drive and the primary disk drive.
Page A-6 Configuring AMOS SCSI Disk Drives A.3OTHER DOCUMENTATION Information on how to use FIXLOG, FMTSCZ, BADBLK, and other SCSI related programs can be found in the Systems Command Reference Manual, DSM-00043-00. PDI-00436-20, Rev.
APPENDIX B AM-436-20 (40MB) AND AM-436-21 (80MB) SCSI DRIVES QUANTUM 3-1/2" SCSI DRIVE MODEL # FORMATTED CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 40S 40MB 2 2560 1 PDB-00436-20 80S 80MB 3 3413 1 PDB-00436-21 TERMINATORS 50-PIN CONNECTOR PIN #1 DC POWER A0 A1 A2 SERIES 90 (ONLY) SPECIAL INSTRUCTIONS Parity must be "enabled," install a jumper at this position.
APPENDIX C AM-436-25 (-01) 120MB SCSI DRIVE MAXTOR SCSI 3-1/2" SCSI DISK DRIVE MODEL # 7120SR FORMATTED CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE 4 3833 1 120MB ALPHA MICRO PART NUMBER PDB-00436-25 (-01) TERMINATOR POWER JUMPER IN = Drive supplies termination power for the SCSI bus. OUT= Drive does not supply termination power for the SCSI bus. TERMINATORS 50-PIN CONNECTOR PIN #1 DC POWER SCSI I.D.
Page C-2 AM-436-25 (-01) 120MB SCSI Drive For AM-1400LC and AM-1600M installations, the product kit (PDB-00436-25) includes special drive mounting brackets that must be used in order to mount this drive. These brackets (DWF-20533-00) are drilled to match the mounting holes on the Maxtor drive. The brackets are held in place with two phillips head screws inserted through the chassis bottom.
APPENDIX D AM-436-24 (-13) 203MB SCSI DRIVE MAXTOR SCSI 3-1/2" SCSI DISK DRIVE MODEL # LXT-213SY FORMATTED CAPACITY 203MB NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE 7 3703 1 ALPHA MICRO PART NUMBER PDB-00436-13 (-24) SERIES 90 (ONLY) SPECIAL INSTRUCTIONS Parity must be "enabled," install a jumper at this position.
Page D-2 AM-436-24 (-13) 203MB SCSI Drive For AM-1400LC and AM-1600M installations, the product kit (PDB-00436-24) includes special drive mounting brackets that must be used in order to mount this drive. These brackets (DWF-20533-00) are drilled to match the mounting holes on the Maxtor drive. The brackets are held in place with two phillips head screws inserted through the chassis bottom. You will also need to remove the plastic panel located on the front of the drive.
APPENDIX E AM-436-15 (-23) 324MB SCSI DRIVE MAXTOR 3-1/2" SCSI DISK DRIVE MODEL # LXT-340SY FORMATTED CAPACITY 324MB NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE 11 3778 1 ALPHA MICRO PART NUMBER PDB-00436-15 (-23) SERIES 90 (ONLY) SPECIAL INSTRUCTIONS Parity must be "enabled," install a jumper at this position. PIN #1 TERMINATORS 50-PIN CONNECTOR DC POWER OUT = Drive does not supply termination power for the SCSI bus.
Page E-2 AM-436-15 (-23) 324MB SCSI Drive For AM-1400LC and AM-1600M installations, the product kit (PDB-00436-23) includes special drive mounting brackets that must be used in order to mount this drive. These brackets (DWF-20533-00) are drilled to match the mounting holes on the Maxtor drive. The brackets are held in place with two phillips head screws inserted through the chassis bottom. You will also need to remove the plastic panel located on the front of the drive.
APPENDIX F AM-436-20(-00) 40MB and AM-436-21(-11) 80MB SCSI Drives MAXTOR 3-1/2" SCSI DRIVE MODEL # FORMATTED CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 7040SR 40MB 2 2560 1 PDB-00436-20 (-00) 7080SR 80MB 3 3413 1 PDB-00436-21 (-11) TERMINATION POWER JUMPER IN = Drive supplies termination power for the SCSI bus. TERMINATORS OUT = Drive does not supply termination power for the SCSI bus. FACTORY PRESET Drive spins-up when power is applied.
Page F-2 AM-436-20(-00) 40MB and AM-436-21(-11) 80MB SCSI Drives For AM-1400LC and AM-1600M installations, the product kit (PDB-00436-20/21) includes special drive mounting brackets that must be used in order to mount this drive. These brackets (DWF-20533-00) are drilled to match the mounting holes on the Maxtor drive. The brackets are held in place with two phillips head screws inserted through the chassis bottom.
APPENDIX G AM-436-20(-00) 40MB and AM-436-21(-11) 80MB SCSI Drives MAXTOR 3-1/2" SCSI DRIVE MODEL # FORMATTED CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 7040S 40MB 2 2560 1 PDB-00436-20 (-00) 7080S 80MB 3 3413 1 PDB-00436-21 (-11) TERMINATORS PIN #1 TERMINATION POWER JUMPER IN = Drive supplies termination power for the SCSI bus. OUT = Drive does not supply termination power for the SCSI bus.
Page G-2 AM-436-20(-00) 40MB and AM-436-21(-11) 80MB SCSI Drives For AM-1400LC and AM-1600M installations, the product kit (PDB-00436-20/21) includes special drive mounting brackets that must be used in order to mount this drive. These brackets (DWF-20533-00) are drilled to match the mounting holes on the Maxtor drive. The brackets are held in place with two phillips head screws inserted through the chassis bottom.
APPENDIX H AM-436-29(-19) 234MB and AM-436-26(-14) 203MB SCSI Drives MAXTOR SCSI 3-1/2" SCSI DISK DRIVE MODEL # FORMATTED CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 7213SR 203MB 7 3703 1 PDB-00436-14 (-26) 7245S 234MB 8 3743 1 PDB-00436-19 (-29) TERMINATION POWER JUMPER IN = Drive supplies termination power for the SCSI bus. TERMINATORS SCSI I.D. 50-PIN CONNECTOR PIN #1 OUT = Drive does not supply termination power for the SCSI bus.
Page H-2 AM-436-29(-19) 234MB and AM-436-26(-14) 203MB SCSI Drives In order to use the Maxtor 7245S 3-1/2" SCSI disk drive with operating systems earlier than AMOS 1.4C and 2.2C, you need the following versions of FMTSCZ.LIT and FMTSCZ.OVR, which are available on AMTEC+: FMTSCZ.LIT 3.0(149)-1 (or later) FMTSCZ.OVR 1.0(102) (or later) The version of FMTSCZ.LIT included in AMOS 1.4C (or later) and AMOS 2.
APPENDIX I AM-436-30(-18) 324MB SCSI Drive MAXTOR SCSI 3-1/2" SCSI DISK DRIVE MODEL # FORMATTED CAPACITY 7345S 324MB NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE 11 3778 1 ALPHA MICRO PART NUMBER PDB-00436-18 (-30) TERMINATION POWER JUMPER IN = Drive supplies termination power for the SCSI bus. TERMINATORS SCSI I.D. 50-PIN CONNECTOR PIN #1 OUT = Drive does not supply termination power for the SCSI bus.
Page I-2 AM-436-30(-18) 324MB SCSI Drive In order to use the Maxtor 7345S 3-1/2" SCSI disk drive with operating systems earlier than AMOS 1.4C and 2.2C, you need to have the following versions of FMTSCZ.LIT and FMTSCZ.OVR, which are available on AMTEC+: FMTSCZ.LIT 3.0(149)-1 (or later) FMTSCZ.OVR 1.0(102) (or later) The version of FMTSCZ.LIT included in AMOS 1.4C (or later) and AMOS 2.2C (or later) is compatible with the Maxtor 7345S 3-1/2" SCSI drive, but you need the following version of FMTSCZ.
APPENDIX J AM-436-44 1.2GB and AM-436-45 540MB SCSI Drives MAXTOR SCSI 3-1/2" SCSI DISK DRIVE MODEL # CAPACITY NUMBER OF LOGICALS BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER MXT-1240S 1.2GB 37 4087 1 PDB-00436-44 MXT-540S 540MB 17 3921 1 PDB-00436-45 TERMINATION POWER JUMPER IN = Drive supplies termination power for the SCSI bus. MOTOR START ON POWER-UP DO NOT REMOVE PIN #1 TERMINATORS OUT = Drive does not supply termination power for the SCSI bus.
Page J-2 AM-436-44 1.2GB and AM-436-45 540MB SCSI Drives Maxtor MXT drives with 1.2 firmware can only be used in Series 90 applications. Maxtor MXT drives with special 6F+ firmware can only be used in Roadrunner and AM-190 applications. MXT drives that include 6F+ firmware will have a sticker affixed to the rear of the drive indicating the firmware revision. Maxtor MXT drives with 1.5 (or later) firmware can be used on all Alpha Micro Series 90 and AMOS applications that support SCSI disk drives.
APPENDIX K AM-436-06 (330MB) 5-1/4" SCSI DRIVE MAXTOR SCSI 5-1/4" SCSI DISK DRIVE MODEL # NUMBER OF LOGICALS 330MB 10 BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 3967 1 PDB-00436-06 TXD DC POWER XT-8380S FORMATTED CAPACITY E19 JP14 RXD SERIES 90 (ONLY) SPECIAL INSTRUCTIONS JP33 PIN-1 TERMINATOR PACKS 50-PIN CONNECTOR JP8 JP9 Parity must be "enabled," install a jumper at JP40.
Page K-2 AM-436-06 (330MB) 5-1/4" SCSI Drive SCSI disk drives used in AMOS 680X0 based computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground. Before installing your new disk drive, see Section 10 (in this document) dealing with drive isolation in AMOS based products. PDI-00436-20, Rev.
APPENDIX L AM-436-08 (638MB) 5-1/4" SCSI DRIVE MAXTOR SCSI 5-1/4" SCSI DISK DRIVE MODEL # NUMBER OF LOGICALS 638MB 20 BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 4088 1 PDB-00436-08 TXD DC POWER XT-8760S FORMATTED CAPACITY E19 JP14 RXD SERIES 90 (ONLY) SPECIAL INSTRUCTIONS JP33 PIN-1 TERMINATOR PACKS 50-PIN CONNECTOR JP8 JP9 Parity must be "enabled," install a jumper at JP40.
Page L-2 AM-436-08 (638MB) 5-1/4" SCSI Drive The only user configurable jumpers on the Maxtor drive shown above are the drive select jumpers (JP35, JP36, and JP37). All other jumpers are factory installed and should never be moved. SCSI disk drives used in AMOS 680X0 based computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground. Before installing your new disk drive, see Section 10 (in this document) dealing with drive isolation in AMOS based products.
APPENDIX M AM-436-08 (638MB) 5-1/4" SCSI DRIVE MAXTOR SCSI 5-1/4" SCSI DISK DRIVE MODEL # XT-8760SH FORMATTED CAPACITY NUMBER OF LOGICALS 638MB 20 BITMAP SIZE FORMAT INTERLEAVE ALPHA MICRO PART NUMBER 4088 1 PDB-00436-08 DRIVE SELECT JUMPERS DS1 DS2 DS3 DS4 DS5 DS6 DS7 DC POWER DS0 JP40 JP14 JP38 SERIES 90 (ONLY) SPECIAL INSTRUCTIONS TERMINATOR PACKS 50-PIN CONNECTOR PIN-1 JP3 These jumpers are factory configured and should NEVER be reconfigured.
Page M-2 AM-436-08 (638MB) 5-1/4" SCSI Drive SCSI disk drives used in AMOS 680X0 based computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground. Before installing your new disk drive, see Section 10 (in this document) dealing with drive isolation in AMOS based products. PDI-00436-20, Rev.
APPENDIX N AM-436-16 (1.2GB) 5-1/4" SCSI DRIVE (PCBA# 1027614) MAXTOR SCSI 5-1/4" SCSI DISK DRIVE FORMATTED CAPACITY MODEL # PO-12S NUMBER OF LOGICALS 1.2GB BITMAP SIZE N/A N/A FORMAT INTERLEAVE ALPHA MICRO PART NUMBER N/A PDB-00436-16 Note: This drive is only for use in Series 90 Computers running PICK Operating Systems.
Page N-2 AM-436-16 (1.2GB) 5-1/4" SCSI Drive SCSI disk drives used in AMOS 680X0 based computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground. Before installing your new disk drive, see Section 10 (in this document) dealing with drive isolation in AMOS based products. PDI-00436-20, Rev.
APPENDIX O AM-436-16 (1.2GB) 5-1/4" SCSI DRIVE (PCBA# 1027341) MAXTOR SCSI 5-1/4" SCSI DISK DRIVE FORMATTED CAPACITY MODEL # PO-12S NUMBER OF LOGICALS 1.2GB BITMAP SIZE N/A FORMAT INTERLEAVE N/A ALPHA MICRO PART NUMBER N/A PDB-00436-16 Note: This drive is only for use in Series 90 Computers running PICK Operating Systems.
Page O-2 AM-436-16 (1.2GB) 5-1/4" SCSI Drive SCSI disk drives used in AMOS 680X0 based computers must be installed with the drive’s signal ground isolated from the computer’s chassis ground. Before installing your new disk drive, see Section 10 (in this document) dealing with drive isolation in AMOS based products. PDI-00436-20, Rev.
