On Tue, 17 Jan 2006 20:14:54 -0000, you wrote: >30 pin dimm slots, and 286 on XT - must be a 'later' system >lucky you.. >I remember the continual addition of chipsets in bulk to an add-in board to >get to 256 > >and the scraped hands from inserting the boards with all the protruding pin >ends on the back > >JimB. >
I agree Jim the Dimm memory modules came with the 386 all the others had 14 or 16 pin DIL.chips - I still have some if you want them....? > >----- Original Message ----- >From: "Gaffer" <[EMAIL PROTECTED]> >To: <[email protected]> >Sent: Tuesday, January 17, 2006 7:48 PM >Subject: Re: Brief History of IBM PCs (WAS RE: Mobo caps - again!) > > >> Hi Guys, >> >> Just to add / correct information given about my old "IBM XT". >> >> Model No: 5160 >> Manufactured in Scotland 1983 >> 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 !!! >> >> -- >> Best Regards: >> Derrick. >> Pontefract Linux Users Group. >> plug at play-net.co.uk >> >> -- >> ---------------------------------------- >> The WIN-HOME mailing list is powered by L-Soft's renowned >> LISTSERV(R) list management software. For more information, go to: >> http://www.lsoft.com/LISTSERV-powered.html >> >> 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] -- ---------------------------------------- The WIN-HOME mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html
