HECnet June 2012

hecnet@lists.dfupdate.se

38 participants
612 discussions

Introducing myself... and my little network

by md.benson＠gmail.com

On 8 Jun 2012, at 10:58, Johnny Billquist <bqt at softjar.se> wrote: Yes, a TZ87 (DLT2000) can read TK50 tapes and TK70 tapes as well. Really? That is even better. I had a fleeting memory of the TZ87, but I just assumed I must be remembering wrong. That lines up, my DLT4000 is a TZ88 and won't, was the first DLT that didn't read them IIRC -- Mark Benson http://markbenson.org/blog http://twitter.com/MDBenson

12 years, 5 months

lunchbox VAXen, was Re: [HECnet] Introducing myself... and my little network

by HECNET＠beyondthepale.ie

Lunchboxes! :-) And there are images for new boot ROMs available for those which will allow you to boot from the on-board SCSI host adapter, which is relatively slow (NCR5380-based) but still less painful than trying to find, and then afford to purchase, an RD54. I think someone even wrote a driver for VMS to use disks on that controller. I have several of those machines; I really should look into that. Does anyone have any further information on, or actual copies of, those boot ROMs and/or the VMS device driver? That's a patch for VAX/VMS 5.5-2 called PK2KDRVR which Wolfgang Moeller wrote in response to the moaning years ago on comp.os.vms etc that the VS2000 would be so much more useful if it could use SCSI disks. To his surprise, he found there was very little interest in his solution. I was interested and I found the patched driver worked well. I found I couldn't tell if it was slow or not as the 2000 is so slow anyway! I never tried the patched boot ROMs as I boot my 2000's from a 3100. (How come I can remember this stuff and I have trouble remembering what happened yesterday!) Wolfgang also did patches for VS3100 boot ROMs which had problems booting disks over 1GB in size. I also have another patch he wrote which makes the floppy driver in a 2000 treat the drive as an RX23 instead of an RX33 making it possible for VMS to correctly access 3.5in disks in a 2000. I've put what I have on CEIRE:: (I can't find the original PK2KDRVR.ZIP so I've just zipped up the contents of my PK2KDRVR directory which is likely what I got when I unzipped the original zip file...) Regards, Peter Coghlan.

12 years, 5 months

Introducing myself... and my little network

by bqt＠softjar.se

On 2012-06-08 11:10, Kari Uusim ki wrote: On 8.6.2012 10:31, Mark Benson wrote: On 8 Jun 2012, at 08:23, Dave McGuire<mcguire at neurotica.com> wrote: I haven't tried cleaning TK50 heads in years, but I will (now that I have a more respectable workspace) start trying that. I will let you know how things go. I'll probably start digging into those within the next month or two. Thank you for the suggestion! I take it TK50 tapes won't read in a later drive? Yes, a TZ87 (DLT2000) can read TK50 tapes and TK70 tapes as well. Really? That is even better. I had a fleeting memory of the TZ87, but I just assumed I must be remembering wrong. Johnny

12 years, 5 months

Introducing myself... and my little network

by bqt＠softjar.se

On 2012-06-08 11:10, Dave McGuire wrote: On 06/08/2012 05:08 AM, Mark Benson wrote: The TK85 can read TK50s? I didn't know that! If that's the case, it's likely that the TF85 (DSSI version) may as well, and I have one of those. That may be one more option to get my huge pile of TK50s read. I had a feeling the later TKs read TK50. I read it on on of HP's DLT compatibility docs but couldn't remember if it was TK50 or TK70 that was the oldest compatible format. I have a SCSI-II DLT4000 drive (TK88 or 89??) and I know that doesn't read any old TK tapes, only DLT1,2 etc. The general rule with most of those format is that the current drive will read and write the current format, and read (but not write) the previous format. There are of course exceptions, but not many. Indeed. Such as the Tx85 reading both TK50 and TK70. :-) Johnny

12 years, 5 months

DECnet-DOS, was Re: [HECnet] Size of HECnet

by mcguire＠neurotica.com

On 06/08/2012 05:11 AM, Mark Benson wrote: Dave outside your door is a well dressed gentleman in a suit that looks like something a certain outrageous poet and author wore, and has hair to match. (Hint: its the same daft stuff I sometimes pull on Sampsa.) There's also a blue colored box outside......... Ok, you lost me there, my friend. Welcome to the world of strange Dr Who references.. Uh-oh. Explains why I didn't get it either (not a fan). Me neither. ;) No offense, Gregg! -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

Introducing myself... and my little network

by mcguire＠neurotica.com

On 06/08/2012 04:24 AM, Johnny Billquist wrote: I haven't tried cleaning TK50 heads in years, but I will (now that I have a more respectable workspace) start trying that. I will let you know how things go. I'll probably start digging into those within the next month or two. Thank you for the suggestion! I take it TK50 tapes won't read in a later drive? They will. TK70 and TK85 (if I remember right) can both read TK50. You also have the TZ30 (I think the name is), which is a TK50 compatible, but smaller drive, with SCSI. The TK85 can read TK50s? I didn't know that! If that's the case, it's likely that the TF85 (DSSI version) may as well, and I have one of those. That may be one more option to get my huge pile of TK50s read. Yes, it should. See http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CGYQFjA… (Page 5) Thanks for the info! This gives me a nice option. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

DECnet-DOS, was Re: [HECnet] Size of HECnet

by md.benson＠gmail.com

On 8 Jun 2012, at 10:09, Dave McGuire <mcguire at neurotica.com> wrote: On 06/08/2012 04:58 AM, Sampsa Laine wrote: Dave outside your door is a well dressed gentleman in a suit that looks like something a certain outrageous poet and author wore, and has hair to match. (Hint: its the same daft stuff I sometimes pull on Sampsa.) There's also a blue colored box outside......... Ok, you lost me there, my friend. Welcome to the world of strange Dr Who references.. Uh-oh. Explains why I didn't get it either (not a fan). -- Mark Benson http://markbenson.org/blog http://twitter.com/MDBenson

12 years, 5 months

Introducing myself... and my little network

by uusimaki＠exdecfinland.org

On 8.6.2012 10:31, Mark Benson wrote: On 8 Jun 2012, at 08:23, Dave McGuire<mcguire at neurotica.com> wrote: I haven't tried cleaning TK50 heads in years, but I will (now that I have a more respectable workspace) start trying that. I will let you know how things go. I'll probably start digging into those within the next month or two. Thank you for the suggestion! I take it TK50 tapes won't read in a later drive? Yes, a TZ87 (DLT2000) can read TK50 tapes and TK70 tapes as well. Kari

12 years, 5 months

Introducing myself... and my little network

by mcguire＠neurotica.com

On 06/08/2012 05:08 AM, Mark Benson wrote: The TK85 can read TK50s? I didn't know that! If that's the case, it's likely that the TF85 (DSSI version) may as well, and I have one of those. That may be one more option to get my huge pile of TK50s read. I had a feeling the later TKs read TK50. I read it on on of HP's DLT compatibility docs but couldn't remember if it was TK50 or TK70 that was the oldest compatible format. I have a SCSI-II DLT4000 drive (TK88 or 89??) and I know that doesn't read any old TK tapes, only DLT1,2 etc. The general rule with most of those format is that the current drive will read and write the current format, and read (but not write) the previous format. There are of course exceptions, but not many. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

DECnet-DOS, was Re: [HECnet] Size of HECnet

by mcguire＠neurotica.com

On 06/08/2012 04:58 AM, Sampsa Laine wrote: Dave outside your door is a well dressed gentleman in a suit that looks like something a certain outrageous poet and author wore, and has hair to match. (Hint: its the same daft stuff I sometimes pull on Sampsa.) There's also a blue colored box outside......... Ok, you lost me there, my friend. Welcome to the world of strange Dr Who references.. Uh-oh. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

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HECnet June 2012