2/4GB- 4/10GB Tape Drive
  Picture
(see above) 
MicroCode
Lvl.
Drive size
     1
V4BKC-42
3.5-Inch
 
V4BKC-47
5.25-Inch
     2
V5.77-42
3.5-Inch
 
V5.77-47
5.25-Inch

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. 



Testing the 4 mm Tape Unit w/o Using the System.
      Make sure that all system activity for the 4mm Tape Drive has been properly halted. 
      Unload and eject any tape cartridge from the drive. 
      Make sure the power to the tape drive is turned off. 
      Turn the power-on to the 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
  Bezel for Mod 80 18G8401
      Bezel for Server 95A 8191346
  Rails for Mod 80/85/95/3510/3511 64F4300
64F4301
  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

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