IBM

XT/370

kjaer avatar
kjaer
Who joined May 7, 2008, 6:47 p.m.
and authored 284 notes
Wrote the following at Nov. 4, 2012, 9:55 p.m...
Restoration project basically complete now.

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kjaer avatar
kjaer
Who joined May 7, 2008, 6:47 p.m.
and authored 284 notes
Wrote the following at Nov. 4, 2012, 10:03 p.m...
Also runs APL2/PC (as a DOS program). This version of APL does not require the /370 processor, though it does require a customized character ROM for the CGA adapter, implementing the APL character set.

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GL1zdA avatar
GL1zdA
Who joined Dec. 31, 2009, 3:18 p.m.
and authored 205 notes
Wrote the following at Nov. 4, 2012, 11:25 p.m...
Looks great. It's the first time I see a XT/370, so forgive me if it's a stupid question, but why are 2 chassis needed? I always thought the XT/370 is an XT with a set of 3 ISA cards?

PS. William Gibson on the shelf behind 8)

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kjaer avatar
kjaer
Who joined May 7, 2008, 6:47 p.m.
and authored 284 notes
Wrote the following at Nov. 5, 2012, 12:53 a.m...
The 5161 PC Expansion Unit isn't required. The XT/370 is just a 2-card set, plus one optional card for host attachment. The latter isn't necessary to run fully standalone.

What the 5161 does (besides give you some breathing room on slots) is give you space to run two hard drives. A single 10 MB drive can be a bit tight with VM/PC, especially when you're not host-attached (VM/PC lets you access host minidisks using the 3277EM card). It's enough to run, but goes fast once you start defining local minidisks for your apps and/or data, or have other DOS apps to run. The VM/PC control program alone takes up a couple MB.

As it happened I already had a 5161 lying around with a pair of 20 MB drives in it, and this was a more beneficial use of it.

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PymbleSoftware
Who joined July 15, 2008, 4:48 p.m.
and authored 1877 notes
Wrote the following at Nov. 5, 2012, 1:52 a.m...
Nice, I'm impressed.

I used a similar thing "Baby/34" System/34 emulator for JCL and RPG-II at Control Data way back when.

R.

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smj avatar
smj
Who joined Nov. 12, 2007, 7:54 p.m.
and authored 1013 notes
Wrote the following at Nov. 5, 2012, 2:15 a.m...
Nice one, kjaer!

GL1zdA wrote:
PS. William Gibson on the shelf behind 8)

Please leave that self-proclaimed and proud Luddite out of this. There's some very nice Stephenson there too - much better choice...

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zmttoxics avatar
zmttoxics
Who joined Aug. 31, 2009, 8:11 a.m.
and authored 890 notes
Wrote the following at Nov. 5, 2012, 2:57 a.m...
Nice work kjaer! :)

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pentium avatar
pentium
Who joined Aug. 28, 2006, 5:29 p.m.
and authored 4256 notes
Wrote the following at Nov. 6, 2012, 10:12 p.m...
Your camera ahs a dead pixel in the lower left corner. ;)
Otherwise, you have not disappointed.

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miod avatar
miod
Who joined Oct. 9, 2009, 1:44 a.m.
and authored 193 notes
Wrote the following at Nov. 6, 2012, 10:51 p.m...
smj wrote:
GL1zdA wrote:
PS. William Gibson on the shelf behind 8)

Please leave that self-proclaimed and proud Luddite out of this.


What's wrong with being a Luddite ? :mrgreen:

(I'm not a fan of Gibson either, though)

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bluecode avatar
bluecode
Who joined Dec. 13, 2011, 7:56 a.m.
and authored 192 notes
Wrote the following at Nov. 8, 2012, 9:55 p.m...
Sweet! CMS on VM/370 was a fantastic development environment.

SNOBOL4, REXX, XEDIT, CMS had it all, even in the 370 days.

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