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Re: XT-cf shown in FDISK as C: but "C: " gives "Invalid drive specification"

Posted on 2021-10-10, 20:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I cant boot from it either as it just says "Non-system disk or disk error. Replace and press any key when ready", probably because I succesfully nulled out the MBR... that message comes from the PBR Partition Boot Record, not the MBR. you might want to try a format or a sys. After doing SYS C: I …

Re: XT-cf shown in FDISK as C: but "C: " gives "Invalid drive specification"

Posted on 2021-10-10, 20:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Alright. I managed to make a DOS 5.0 disk that boots on this computer, copied FDISK, FORMAT and SYS to it. I think the 32MB card is busted as doing anything just throws errors. I tried with a 128MB Cisco CF card and the partition on it is visible (installed DOS 5 on it through PCem with a dd'ed …

Re: XT-cf shown in FDISK as C: but "C: " gives "Invalid drive specification"

Posted on 2021-10-07, 06:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This sounds like the sort of problem you get when you haven't rebooted properly. But you say FDISK did the reboot, strange. Try FDISK /mbr from dos 6.22. Is it possible to write the partition table in a different machine with a normal IDE setup? I can try, but I don't have a CF->IDE adapter so I'll …

Re: XT-cf shown in FDISK as C: but "C: " gives "Invalid drive specification"

Posted on 2021-10-07, 06:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You have no way to make a DOS 5 boot floppy and try there? Who knows how "some NEC OEM version" may work, in those times I think MS distributed DOS in source form and the OEM was expected to customize IO.SYS, and who knows what they did... Hmm... I can try making one using https://winworldpc.com/ …

XT-cf shown in FDISK as C: but "C: " gives "Invalid drive specification"

Posted on 2021-10-06, 21:11

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, I got a XT-CF Lite 4.1 for my 8088 XT clone and finally get rid of 360K 5.25" floppy issues thanks to dying media (already had 2/5 disks die on me) I used a 32MB Cisco compact flash I got years ago out of a non-working router, plugged it in and the XT-CF BIOS recognizes it as Master. I have …

Re: CGA with VGA

Posted on 2019-06-11, 21:20

in Marvin \ Video

in Marvin \ Video

I don't have that either, is there any difference between the two?

Re: CGA with VGA

Posted on 2019-06-11, 15:06

in Marvin \ Video

in Marvin \ Video

Here are some threads about CGA to RGB (SCART) schematics. Depending on the VGA monitor, these can be adapted. Keep in mind that these adapters can't do Composite CGA. If you like Composite CGA, a CVBS-VGA converter (Composite to VGA) might be needed. Image quality is hit and miss, though. Some …

Re: CGA with VGA

Posted on 2019-06-11, 06:32

in Marvin \ Video

in Marvin \ Video

Your best bet is one of the older Sony LCD screens, if it has vga, rca and everything else there is a good chance it will sync up to cga with a simple adapter How do I make this simple adapter you speak about? Also, I have a NEC multisync, that should work too, right? I know it has quite good …

CGA with VGA

Posted on 2019-06-10, 22:18

in Marvin \ Video

in Marvin \ Video

Hello, I have a 8088 PC XT clone with both a MDA and CGA card. I use this computer with the CGA card's composite output but it kinda looks like not good so I want to go the proper way. Here where I live it's hard and expensive to get old CGA compatible CRTs so I cannot do it that way, for now at …

Re: Floppy Drive stuff

Posted on 2018-05-30, 17:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

unfortunately only one mini MOLEX connector and no adaptors for FDD power D:

Re: Floppy Drive stuff

Posted on 2018-05-30, 15:54

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Alright then, I think sometime I will get some ATX PSUs and converters from Aliexpress.

Re: Floppy Drive stuff

Posted on 2018-05-30, 15:10

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Are you sure the floppies are in good condition and working on some other computer? Yes, disks are working fine on my other old PCs I have a similar issue with my BX-2000 board, I've tried multiple drives and ribbon cables, and multiple diskettes, it has issues reading disks. The said drives, …

Floppy Drive stuff

Posted on 2018-05-30, 13:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello. I have a Pentium 100 machine that I run DOS on (CDU DOS 7.1). I wanted to install one of my games from floppy but the machine just doesn't like reading ANY floppy with ANY drive. In DOS when I do dir a: or anything that touches the A drive it says "Not ready reading drive A:", even when I …

Re: Windows 95C networking problems

Posted on 2018-02-25, 09:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

although I can reach via SMB other computers connected to the switch, that's a good start already

Re: Windows 95C networking problems

Posted on 2018-02-25, 09:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

the problem is that only the Windows 95 PC doesn't reach the main router, and I never use DHCP on these computers, only static IPs, the AP and computers always have the main router as gateway and the subnet mask is always the same

Windows 95C networking problems

Posted on 2018-02-24, 21:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, I have a machine, an old Olidata system with a Pentium-S 166MHz and 16MB of RAM. I installed Windows 95C (OSR2.5) and it all went smooth. I then installed a 10/100 Fast Ethernet card from compaq (the NC3123, only card I have that is this old) and it went all ok. I then installed the TCP IP …

Re: Windows 3.11 FWG Compaq NIC 3123 Drivers

Posted on 2018-01-12, 13:28

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ok. sp10873 works. Windows detected the card. There's an issue, no TCP-IP. Is there a driver? Is that a generic thing? Can I use something like SMB to transfer things in and out of the machine?

Re: Windows 3.11 FWG Compaq NIC 3123 Drivers

Posted on 2018-01-12, 12:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

do NDIS2 drivers work with WfW 3.11? I never used ethernet or an internet connection with DOS before, so i am kind of a noob in this regard. I also found the sp10873 exe from HP's enterprise site, and the first driver that you linked doesn't state the NC3123 NIC or the WfW3.11 compatibility so i …

Windows 3.11 FWG Compaq NIC 3123 Drivers

Posted on 2018-01-11, 22:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi, i have a Compaq 3123 Fast ethernet NIC and would like to use it with windows 3.11 FWG. I cannot find any drivers for it though and in the install the list doesn't contain such card for network connection. does anyone have this driver? I don't know where to write it so feel free to tell me the …

Re: CT4500 drivers question

Posted on 2017-06-27, 21:08

in Marvin \ Sound

in Marvin \ Sound

thanks

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