If the open license, allows this, I would like to pay someone to make changes to the XT-FDC to eliminate the second 34 pin connector and move the 37 pin external connector closer to the card edge where an external connector will attach to the card bracket.
I believe the development files are...
I have a XT-IDE and a XT-FDC with Sergey's bios installed in an IBM XT. I can boot from a compact flash card and access both the configured 1.2 meg and 360k floppies.
It will not boot from a floppy and I remember a post about a bios conflict. I read a post about gluing the bios together but to...
I need help determining the correct pin alignment for a SCSI 50 pin female Centronics connector. Which pin is pin one.
I have posted a picture, is the Centronics connector placed on the cable correctly?
Thank you,
Jimmy
I recently purchased a M4 Data 9914 R 9 track tape drive with a Pertec interface from eBay. The description was the tape drive was displaying a drive door error.
The drive was handled very roughly during shipping by UPS and the front plastic assembly was damaged. Attached are some of pictures...
I am trying to trace out the circuits for the IBM 5364 Driver Card. There are 3 chips labeled R1, R2, and R3. They have the trademark AB in a circle which I think is Allen Bradley.
R1 is 316E221331 with 8501 under the number. R2 and R3 are labeled 314A822 or possibly 314AB22 with the number...
I am trying to initialize my 5364 hard drive form the services menu option 6. I get past the first two screens until it prompts for the bad sector map. The drive has 7 heads 732 cylinders. It is listed in the drive as type 0665 44mb. The same type as my AT.
The screen prompts for cylinder, head...
I am wanting to acquire a copy of SSP 4.0 for an IBM System/36 5364 on 5 1/4 diskettes. I need both the SSP OS, the firmware and the PC Attachment Software.
Looking for IBM manual 9402 Model 436 SA41-4138 9402/9404 Models 4XX Problem Analysis, Repair(8) SY44-4941.
I am trying to repair a power supply for a 9402-436, if anyone has this manual.
For restoration tips I'd suggest Vintage Computer Forum group. Those guys are real pros there. Schematic, cap replacement, oss, logic analyzer - they konw everything!
I have a Mitsubishi Model M2896-63-02U 1/2 height 8" diskette drive. I have tried several controllers the XT-FDC, Sergeys FDC, both boards are equipped with PC8477 chips. I also tried a CompatiCard IV card. The drive is powered with Dbits power supply and using their 50pin to 34 pin adapter. I...
I found these comments while visiting another forum.
“Ha. You managed to dig up something really obscure. I know what SASI is, but I have never in my life actually seen a SASI device, much less these 8 inch floppy drives with 50 and 34 pin Shugart interfaces. To get an answer you're going to...
I have a Shugart Model 801. From the manual it requires 120vac, +24vdc, +5vdc and -5vdc. I have a Mean Well power supply Model RD-125B, that outputs both +24vdc and +5vdc. Can I user a step down converter to convert the +24vdc to -5vdc? There are several listed on eBay. Would I be better off...