TK50 Image Archive

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The TK50 specification lists a design lifetime of 30 years for TK50 tapes. Some of the older tapes in my collection are starting to approach this age, so I think it's important to create a digital archive of these tapes before they become unreadable.

After some searching, I found some code to create tape images compatible with the SIMH emulator. This code successfully compiles on a CentOS 5.4 system, and works with an external SCSI TK50 drive, using the /dev/nst0 device. Using this code, I made the following images of my TK50 tape library. Several of these images have been tested with SIMH.

After the destruction of a tape, the TK50 became unreliable. Some searching turned up a TZ875-TA 5-slot tape changer, which is able to read TK50 tapes. This drive has proved much more reliable in making tape images.

Part Number Tape Label File
AQ-A9690-JS Interleaf
TPS 4
Slim TPS for DECstations
Aq-a9690-js_interleaf_tps_4_slim_tps_for_decstations.tap.gz
AQ-FP86M-BN VAX FORTRAN V5.5 BIN TK50 Aq-fp86m-bn_vax_fortran_v5.5_bin_tk50.tap.gz
AQ-FP86N-BN VAX FORTRAN V5.6 BIN TK50 Aq-fp86n-bn_vax_fortran_v5.6_bin_tk50.tap.gz
AQ-FT73J-BN WPS-PLUS/VMS V4.1 BIN TK50 Aq-ft73j-bn_wps-plus_vms_v4.1_bin_tk50.tap.gz
AQ-HY27F-BE DEC GKS RTO V4.2 BIN TK50 Aq-hy27f-be_dec_gks_rto_v4.2_bin_tk50.tap.gz
AQ-JP22E-BE VMS V5.3 BIN TK50 1/2
VMS BINARY
Aq-jp22e-be_vms_v5.3_bin_tk50_1_2_vms_binary.tap.gz
AQ-KX71A-BN MICROVMS V4.7 BIN TK50 Aq-kx71a-bn_microvms_v4.7_bin_tk50.tap.gz
AQ-NJ58A-BE VMS V5.2 BIN TK50
WARRANTY MANDATORY UPDATE
Aq-nj58a-be_vms_v5.2_bin_tk50_warranty_mandatory_update.tap.gz
AQ-NZ22D-XH PWRKS V4.1 DOS FOR VMS TK50 Aq-nz22d-xh_pwrks_v4.1_dos_for_vms_tk50.tap.gz
AQ-PBJRB-BE ULTRIX/UWS V4.0 (RISC)
SUPPORTED SUBSETS VOLUME 2
Aq-pbjrb-be_ultrix_uws_v4.0_(risc)_supported_subsets_volume_2.tap.gz
AQ-PU1B0-R1.B01 CSCPAT_1049
TPU V3.1/MOTIF INT/EVE TK 1/1
Aq-pu1b0-r1.b01_cscpat_1049_tpu_v3.1_motif_int_eve_tk_1_1.tap.gz
AQ-PXKZ0-R1.A01 VMS V5.52H4 RMST TK50 1/2 Aq-pxkzo-r1.a01_vms_v5.52h4_rmst_tk50_1_2.tap.gz
AQ-PXL20-R1.A01 VMS V5.52H4 UPD TK50 1/1 Aq-pxl20-r1.a01_vms_v5.52h4_upd_tk50_1_1.tap.gz