4MMDAT4 4/10 Tape Drive Firmware Update Diskette Revision 4BKC for Archive drives with switches
4mmdat4.exe
4mmdat4.txt

4MMDAT5 4/10 Tape Drive Firmware Update Diskette Revision 5AJ for Connor/Seagate drives with jumpers
4mmdat5.exe
4mmread.txt

4MMDAT4 and 4MMDAT5 support the Microcode update process for the IBM internal 3.5" & 5.25" 4mm 4/10GB SCSI tape Drives. The product codes of the tape drives are 74G8632 (3.5" drive) and 76G8631 (5.25" drive). This utility uses the SCSI host adapter card used to connect the tape drives to the PC to update the microcode of the tape drive for non-RAID systems. 

Description  The 4 mm Tape Drive is designed to be attached to any system using a single-ended interface meeting the Small Computer System Interface-II Standard ANSI X3.131-199X Rev. 10h. 
Data Transfer Rate: 400 to 1600KBps (183Kbs for 2GB)  1000KBps is typical with Data Compression (732Kbs for 2GB). Data compression hardware, contained in the tape drive, is controlled by the system software .
Status light: Indicates when it is time to clean the tape path. 
Internal diagnostics:  Activated when 4-mm Diagnostic Cartridge is loaded into drive. System intervention not required to run these internal diagnostics. 
Media Recognition System: Only 'data grade' media can be used with this tape drive. 

 The following should occur to the 4 mm Tape Drive.
        1. The two green status lights and the amber status are lit for 2 seconds which is a test of the LED's. 
        2. The Read-Write and Disturbance lights will turn off and the Ready light will flash, indicating the 4 mm Tape Drive Power-On Self Test (POST) is running. 
        3. The Ready status light is turned off after appr. 15 seconds, indicating that the POST has completed successfully. Follow the instructions that are shipped with the Diagnostic Cartridge to complete the testing of the 4 mm Tape Drive. 

Status Lights on the 4 mm Tape Drive : 
READY, READ-WRITE, DISTURBANCE 

READY	R/W	DIST	Status
FLASH	Off	Off	The Power-On Self Test (POST) is running or the DiagnosticCartridge is running.
Off	Off	Off	One of the following has occurred: ° The Power is off ° The POST has completed successfully but no tape cartridge has been inserted.
ON	Off	Off	A tape cartridge has been inserted and the 4 mm Tape Driveis Ready to receive commands from the system.
ON	FLASH	Off	The Tape motion and the 4 mm Tape Drive is running a device operation or cleaning.
Off	Off	FLASH	The 4 mm Tape Drive has detected an internal fault that requires corrective action such as a tape cartridge failure, high humidity, or no SCSI terminator.
Off/ON	Off/FL	ON	The tape path requires cleaning or is using a poor quality tape cartridge.

SCSI ID Jumper Pin Assignment
(for jumper location, see rear side view - picture ) 

Address	SW-1	SW-2	SW-3
0	Off	Off	Off
1	On	Off	Off
2	Off	On	Off
3	On	On	Off
4	Off	Off	On
5	On	Off	On
6	Off	On	On
7	On	On	On

Configuration Switch (SW-4 to SW-8) Settings.These switches are not present on all drives. If not available then SW-4 to SW-8 = logical '0'). 

Switch #	State	Definition
4	Off	The Tape Drive will not write to any 90 meter media
4	ON	Tape Drive will write to any 90m media Warning: Selecting this option and using Tape Cartridges other than those recommended for use for this Tape Drive will cause errors and void the warranty.
5	Off	Parity enabled
5	ON	Parity disabled
6	Off	Data Compression can be used when writing.
6	ON	Data Compression cannot be used when writing.
7	Off	No Security - Tape Cartridge can be loaded
7	ON	Security - Tape Cartridge cannot be loaded when system issues PREVENT MEDIA command. Warning: Do not set switch to OFF unless system security software is installed.
8	OFF	Reserved MUST be OFF

Configuration Switch Settings  (below top cover, under adhesive tape) 

Switch #	State	Definition
1	ON	No security - Tape Cartridge can be loaded.
1	Off	Security - Tape Cartridge cannot be loaded when system issues PREVENT MEDIA command.
2	ON	Reserved MUST be ON
3	ON	Data Compression can be used when writing.
3	Off	Data Compression cannot be used when writing.
4	ON	Tape Drive only Writes to approved 'DATA GRADE' media.
4	Off	The Tape Drive will Write to any media.WARNING Selecting this option and using unapproved Tape Cartridges may void warranty and cause errors.
5-8	ON	Reserved MUST be on

4 mm 2/4GB - 4/10GB SCSI - Tape Drive Parts

Index	FRU P/N
2/4-GB SCSI Drive Parts
1  4 mm(2GB) Tape Drive       Drive has ID-Jumper (OPT P/N 46G2365)	16G8404
4 mm(2GB) SCSI Tape Drive       (used in ext. OPT P/N 46G4016 MT-3440)	8191193
2  5.25 Bezel Kit	55F9554
(for Mod 57/77/85/90/95/3511)
3  Bezel Kit for Mod 60/80	55F9557
Bezel Kit for 3.5-Inch Drive	8191271
4  5.25 Rail Kit	55F9559
(for Mod 60/80/95/3510/3511)
5  Slide for Mod 90	55F9563
6  Rail Kit for Mod 56/57/77	55F9560
4/10-GB Drive Parts
4 mm (4/10GB) SCSI Tape Drive	16G8454
(OPT P/N 74G8631 or 8191441)       (with SCSI ID-Switches (3517)) 5.25Inch       (ARCHIVE - Microcode - 4BKC)
4 mm (4/10GB) SCSI Tape Drive	16G8456
(OPT P/N 74G8632 or 8191386)       (with SCSI ID-Jumper) 3.5 Inch (87G1470)       (CONNER/SEAGATE Microcode - 5AJ)
2  Bezel for Mod 85/95/3511	18G8400
Bezel for Mod 90	18G8402
Bezel for Mod 57/77	64F1275
3  Bezel for Mod 80	18G8401
Bezel for Server 95A	8191346
4  Rails for Mod 80/85/95/3510/3511	64F4300
	64F4301
5  Rails for Mod 56/57/77	96F7373
	96F7374
6  Slide for Mod 90 (10G7594)	55F9563
Slide Asm for 3.5-Inch Drive	8191272
Slide Kit for Server 95A
Slide Kit Asm Kit	8191348
Slide Kit REORDER No.	8191272
° Slide (for Server 95A)	8191349
° Screw (4x)	1621187
° Spring (Groundstrap)	8191437
NS  Cable for Mod 3510	8191384
NS  Cable for Server 95A	92F2566
7  4-mm Media Kit Contains:	21F8764
Data Cartridge	21F8758
Cleaning Cartridge	21F8763
Diagnostic Cartridge	21F8762
4GB/10GB 4-mm Media Kit (3517)	8191149
Data Cartridge (1x)	8191160
Data Cartridge (5x)	74H8631
Cleaning Cartridge	21F8763
Diagnostic Cartridge	8191146
8  Power Cable (Internal)	90X6758
SCSI ID Cable (Internal)	16G8405
SCSI Extender Cable (Internal)	46G233