Re: [MSX] Single side / Double side FDD?
hello replace rom disk ( 8235 have serie number 00 , 19 or 39 and not same rom inside ) make new cable for connectic because 1DD have not standard 34 pins connect 2DD 720k is ok Jipe - Original Message - From: "voyager" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, January 05, 2004 10:27 PM Subject: [MSX] Single side / Double side FDD? > Hi guys, happy new year > > I have an old Philips 8235, with a single side floppy. Is there a way to > replace it with a double sided one? > > Thanks > > Voyager > > > ___ > MSX mailing list ([EMAIL PROTECTED]) > Info page: http://lists.stack.nl/mailman/listinfo/msx > ___ MSX mailing list ([EMAIL PROTECTED]) Info page: http://lists.stack.nl/mailman/listinfo/msx
Re: [MSX] Novaxis Problems on Philips NMS8255 help wanted hw debugging
Hi try phone cellular battery (old model) the pack is 3 x 1.2v found in electronic shop Jipe - Original Message - From: "Gerald Stap" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, October 12, 2003 10:46 PM Subject: Re: [MSX] Novaxis Problems on Philips NMS8255 help wanted hw debugging > Hi, the latest update; > > It seems to be a clockchip problem indeed. > I booted the msx/novaxis with graph-key pressed and then manually set > hostid and targetid with _hostid() and _targetid() from BASIC. This > allowed me to enter the setup menu after a reset from basic (defusr=0: > a=usr(0) => do not use the powerswitch as you'll lose the settings!). I > then enabled multiple devices and it found my zip. After another > software reboot my hd booted. Yes! > > I found a 3.6v NiCd 65mAh battery on this website: > http://www.allebatterijen.nl/pages/ItemDetails.asp?ArtCode=11033ZA65&HG=Batt erijen > voor computers, diversen.&SG=Ni-Cd computerbatterijen > But it doesn't say if it is an accu. Just a battery for CMOS. Do you > think I can use this battery in my NMS8255? (The NMS8255 needs a 3.6v > 45mAh NiCd accumulator). I've never ordered an MSX replacement accu > before ;) > > Tom Emmelot wrote: > > >Hello Gerald, > > > >You remember me? > >I believe that you put your finger on the right place, some data is saved in > >the clockchip so far I know! > >sorry if I am wrong but first get a new battery! > > > >Grtz >*< TOM >*< > > > >- Original Message - > >From: "Gerald Stap" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Sunday, October 12, 2003 6:35 AM > >Subject: Re: [MSX] Novaxis Problems on Philips NMS8255 help wanted hw > >debugging > > > > > > > > > >>Does anybody know what happens when the battery for the MSX > >>clockchip/sram is dead? Because that seems to be the case for my NMS8235 > >>and is most obvious difference between my NMS8235 and NMS8255. Can it be > >>possible that that is why the Novaxis won't boot my HD? > >>Any documentation on the Novaxis would help. > >> > >>Gerald Stap wrote: > >> > >> > >> > >>>Hi, > >>> > >>>After 5 years I finally decided to bring my MSX back to life. But with > >>>all the external hardware (the slotexpander, scartcables + selector > >>>for GFX9000, rs232c + external modem, novaxis scsi + harddrive and > >>>zipdrive) it barely fits on my desk. So I decided to build my NMS8255 > >>>into a miditower to save space. > >>> > >>>NB. Before I built the whole lot into my miditower, everything worked > >>>fine except for the fact that the gfx9000 and de opl4 couldn't both be > >>>entered in de gouda slotexpander due to power problems. The setup > >>>worked with the gfx9000 in slot 1 and the opl4 in the slotexpander > >>>thouigh. > >>> > >>>After I built the whole lot in an miditower a little problem arose > >>>which has been haunting me for two weeks now. > >>> > >>>The problem is that everything works except for the Novaxis. It can > >>>only find the scsi harddisk but won't boot from it. Instead it exits > >>>to BASIC. Drive A: is not readable from DOS 2.xx. And physical drive A > >>>is mapped to drive B. Also the novaxis cannot detect the zipdrive. I > >>>can not enter the setup menu. It says wait or something, and then the > >>>computer hangs. > >>> > >>>It does not matter if I use cartridge slot 1 or 2 directly or the > >>>slots in the slot expander. Other cartridges like Kingsvalley 2 or > >>>my FM-Pak work fine.In fact the whole MSX performs fine unil I attach > >>>the Novaxis. > >>> > >>>The msx-mainboard is now connected to a 150Watt PC-AT powersupply > >>>which should be sufficient. I checked all the voltages +/-12V and +5V > >>>on the AT powersupply and they seem to bee correct. This is also the > >>>case with slot 1+2 and the Gouda slotexpander even with cartridges in > >>>them. Zip-drive, diskdrive A&B and the SCSI hd now get their power > >>>directly from the AT powersupply. > >>> > >>>My first thoughts were that maybe the Novaxis SCSI interface had a > >>>defect or I had a bad SCSI chain, but when I put a dos 2.20 cart and > >>>the Novaxis in the slotecpander, and connect the slotexpander to my > >>>NMS8235 with doublesided diskdrive, using the SCSI chain in the > >>>miditower (zip + hd) the Novaxis detects both my HD and zipdrive and > >>>boots from it. Then everything seems to work ok. I can even enter the > >>>setup menu. So this rules out a faulty SCSI chain or bad termination. > >>> > >>>I even replaced the MSX main board in the miditower with another. But > >>>still I have the same problem. > >>> > >>>Specs board 1: > >>>Philips MSX2 NMS8255 board with built in dos2.20, fast diskrom 7 mhz > >>>and 512kB RAM > >>> > >>>Specs board 2: > >>>Philips MSX2 NMS8255 board with built in dos2.20, fast diskrom 7 mhz > >>>and 256kB RAM > >>> > >>>I'm very puzzled. > >>>Does anybody have any ideas on how to get the novaxis working? what > >>>are the tolerances of the novaxis? > >>> > >>>- Could it be a grounding problem? > >>>- Is it advisa
Re: [MSX] Novaxis Problems on Philips NMS8255 help wanted hw debugging
hi gouda slot expander have many litle problem with philips (i have 8280) try to loaded the bus of the slot expander with one or two cartridge (slot select not actived) and change the scsi in all sub-slot try to clean the connector of the cartridge of slot expander one of my sub-slot don't accept gouda scsi and mega-sram (corrupt datas) but work with other cartrige a long ribbon cable pertub the bus i have sunrise slot expander with my turbo-r and i have not this problem just if power of slot expander (pc xt powersupply) is not actived in the same time of the turbo-r i have blank screen i have just added a power switch and don't cut the swicth of powersupply of the turbo-r and of the pc xt powersupply 220v =)---o__o-I---(= =)-- turbo-r I---(= =)-- pc xt powersupply slot expander Jipe - Original Message - From: "Gerald Stap" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, October 11, 2003 11:40 PM Subject: [MSX] Novaxis Problems on Philips NMS8255 help wanted hw debugging > Hi, > > After 5 years I finally decided to bring my MSX back to life. But with > all the external hardware (the slotexpander, scartcables + selector for > GFX9000, rs232c + external modem, novaxis scsi + harddrive and > zipdrive) it barely fits on my desk. So I decided to build my NMS8255 > into a miditower to save space. > > NB. Before I built the whole lot into my miditower, everything worked > fine except for the fact that the gfx9000 and de opl4 couldn't both be > entered in de gouda slotexpander due to power problems. The setup worked > with the gfx9000 in slot 1 and the opl4 in the slotexpander thouigh. > > After I built the whole lot in an miditower a little problem arose which > has been haunting me for two weeks now. > > The problem is that everything works except for the Novaxis. It can only > find the scsi harddisk but won't boot from it. Instead it exits to > BASIC. Drive A: is not readable from DOS 2.xx. And physical drive A is > mapped to drive B. Also the novaxis cannot detect the zipdrive. I can > not enter the setup menu. It says wait or something, and then the > computer hangs. > > It does not matter if I use cartridge slot 1 or 2 directly or the slots > in the slot expander. Other cartridges like Kingsvalley 2 or my FM-Pak > work fine.In fact the whole MSX performs fine unil I attach the Novaxis. > > The msx-mainboard is now connected to a 150Watt PC-AT powersupply which > should be sufficient. I checked all the voltages +/-12V and +5V on the > AT powersupply and they seem to bee correct. This is also the case with > slot 1+2 and the Gouda slotexpander even with cartridges in them. > Zip-drive, diskdrive A&B and the SCSI hd now get their power directly > from the AT powersupply. > > My first thoughts were that maybe the Novaxis SCSI interface had a > defect or I had a bad SCSI chain, but when I put a dos 2.20 cart and the > Novaxis in the slotecpander, and connect the slotexpander to my NMS8235 > with doublesided diskdrive, using the SCSI chain in the miditower (zip + > hd) the Novaxis detects both my HD and zipdrive and boots from it. Then > everything seems to work ok. I can even enter the setup menu. So this > rules out a faulty SCSI chain or bad termination. > > I even replaced the MSX main board in the miditower with another. But > still I have the same problem. > > Specs board 1: > Philips MSX2 NMS8255 board with built in dos2.20, fast diskrom 7 mhz and > 512kB RAM > > Specs board 2: > Philips MSX2 NMS8255 board with built in dos2.20, fast diskrom 7 mhz and > 256kB RAM > > I'm very puzzled. > Does anybody have any ideas on how to get the novaxis working? what are > the tolerances of the novaxis? > > - Could it be a grounding problem? > - Is it advisable to supply the slotexpander it's own +/-12V and 5V from > the AT power supply instead of getting it from the MSX main board via > slot 1 or 2? > > Any help/hints would be greatly apprciated. > > Gerald > > > > > > > > ___ > MSX mailing list ([EMAIL PROTECTED]) > Info page: http://lists.stack.nl/mailman/listinfo/msx > ___ MSX mailing list ([EMAIL PROTECTED]) Info page: http://lists.stack.nl/mailman/listinfo/msx
Re: [MSX] Turbo R with Gouda SCSI
checked your battery on turbo-r ( 2 x 1.5v ) because gouda Scsi save parameter into clock ram if ok try deconnect battery and replace for clear memory - Original Message - From: "Hans-Peter Zeedijk" <[EMAIL PROTECTED]> To: "MSX Mailinglist" <[EMAIL PROTECTED]> Sent: Sunday, August 03, 2003 2:41 PM Subject: [MSX] Turbo R with Gouda SCSI > My TurboR with Gouda SCSI with a 40Mb harddisk ceised to funktion: It > doesn't boot anymore. The harddisk spinnes and the BIOS still discovers both > the harddisk and ZIP-drive. > How do I proceed to make it bootable/accessible? > > ___ > MSX mailing list ([EMAIL PROTECTED]) > Info page: http://lists.stack.nl/mailman/listinfo/msx > ___ MSX mailing list ([EMAIL PROTECTED]) Info page: http://lists.stack.nl/mailman/listinfo/msx
Re: Connector on the Philips MSX PC card
if cable is to long cartridge don't work correctly on a true msx buffering signal is done - Original Message - From: <[EMAIL PROTECTED]> Newsgroups: local.msx.int Sent: Tuesday, June 05, 2001 4:29 PM Subject: Connector on the Philips MSX PC card > > > > Hello Girls and Boys, > > A question about the Philips MSX PC card. I have such a card (no, I'm not > willing to sell it ;-) ) in my PC and it works great, but... > > On the card is a 50 pins male 'connector' (much like a SCSI connector), of which > I suspect that it is a cartridge slot 'connector'. I've soldered a flat cable > connector to a cartridge slot connector (some nifty soldering if I say so > myself) and connected it to the card (via a flatcable). The results I can > measure are that the GND, +5V, +12V and -12V seem to be at the correct > locations. The result if I power up the 'MSX' are that it powers up, but does > not (correctly) run the cartridges. It seems to do something, but I cannot make > out what it does AND it is not consistent. > > PLEASE HELP ME, I'M DESPERATE! > > Does anybody have the schematics for this card (at LEAST of the connector)! > > Regards, > > Jeroen Smael > > > -- > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html -- For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
Re: turboR DRAM mode & DOS2
try push key 2 when reset the turbo-r available on A1GT - on st i don't know - Original Message - From: "Patriek Lesparre" <[EMAIL PROTECTED]> Newsgroups: local.msx.int Sent: Friday, May 25, 2001 9:43 PM Subject: turboR DRAM mode & DOS2 > Hi all, > > me again with another DOS2 problem. > > On turboR an extra 64kB memory is used by the system. I guess this is the > DRAM mode memory. > > Now I have these questions: > 1. Do the DOS2 system segments reside before or after the DRAM memory? > 2. Is there any way to free this 64kB? I have tried switching to R800 ROM > or Z80 mode and rebooting DOS2 (BASIC then CALL SYSTEM), but that does not > work. > > Thanks, > > Patriek > > -- > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html -- For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
