On Tue, 17 Jan 2006 22:11:29 +0000, you wrote:
>Hi Hugh,
>
>On Tuesday 17 January 2006 22:00, Hugh Gundersen wrote:
>> On Tue, 17 Jan 2006 19:48:23 +0000, you wrote:
>> >Hi Guys,
>> >
>> >Just to add / correct information given about my old "IBM XT".
>> >
>> >Model No: 5160
>> >Manufactured in Scotland 1983
>>
>> Are you really certain of this date?
>
>Thats what it says on the rating plate
>
>> It could be a patent date I am sure the 286 was not available until
>> 85/86
>
>The patent date is 1981
>
>> Nearly all had the 8086 which was apparently 2 x 8080(?) back to back
>
>The difference was the width of the data bus.
>
>> There was a 186 that was a bit of a flop but it could access 1 Mb and
>> more RAM. This was grabbed by Research Machines and then they conned
>> the GLC to put them into all London Schools because they looked like
>> real computers.
>
>As far as I remember the 80186 was produced as an embeded processor and
>was an 8086 in a square package and not a DIL package.
So why wasn't the 86 capable of accessing 1Mb ram
>
>> >4MHz 286 CPU
>> >128Kb ram on board
>> >2 30 pin dimm slots each supporting 256Kb
>> >5.25" Single sided 160Kb floppy
>> >Seagate ST506 HDD.
>> >
>> >Note the 5160 did not have a hard disk fitted originally. I
>> > purchaced the ST506 separatly. It has a header for the tape
>> > cassette recorder, which went to a slot bracket containg the audio
>> > in and out sockets.
>> >
>> >
>> >The other machine is an "IBM AT"
>> >Model No: 5162
>> >Manufactured in Scotland 1984
>> >6MHz 286 CPU
>> >Socket for 287 Co processor
>> >128Kb ram on board
>> >2 30 pin dimm slots each supporting 256Kb
>> >5.25" Double sided 1200Kb floppy
>> >Seagate ST510 HDD.
>> >
>> >Note this machine (5162) has been very heavily modified over the
>> > years and currently sports a 43Mb 3.5" hard disk drive. It also
>> > has the two floppy disk drives. A 1.2Mb 5.25" and a 1.4Mb 3.5"
>> > one.
>> >Amazingly it will also recognise and support an IDE CDrom on the
>> > plug in interface card, along with any IDE hard disk that is in the
>> > BIOS table. Unfortunatly that is a maximum of 128Mb, although if
>> > you set a "Type 17" you can use an overlay to get to 504Mb.
>> >
>> >Just shows, the old grey stuff isn't infallable after all !!!
>> >
>> Sir Hugh of Bognor
>
>--
>Best Regards:
> Derrick.
> Pontefract Linux Users Group.
> plug at play-net.co.uk
Sir Hugh of Bognor
--
Remember. You may honestly belive that you understood everything
you thought I said but what you thought you heard wasn't
exactly what I said.
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
--
----------------------------------------
To unsubscribe, mailto: [EMAIL PROTECTED]
Is your picture included in the Official Win-Home List Members Profiles Page?
http://www.besteffort.com/winhome/Profiles.html
If not, write to: [EMAIL PROTECTED]
