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Hello! One of my sisters gave me their old notebook computer for my 40th birthday. It's a HP Pavilion ZT1135. It has no working built-in networking capabilities and recently, the old hard Toshiba 40 GB IDE hard drive was replaced with a Transcend 8 GB 2.5" PATA SLC Industrial SSD (model number TS8GSSD25-S) as I was previously unable to use it for over a year. Looking into the information from Navratil System Info, the Transcend 8 GB 2.5" PATA SLC Industrial SSD has a actual fixed disk capacity of 7.45 GB. This drive is limited to 300,000 writes per single level cell memory (512-byte sector) for a total of drive life of writing up to 2.13 PB of data. Here's what I have installed so far: 1. I managed to install Microsoft MS-DOS 6.22 using the USB 2.0 compatible floppy disk as well as Windows 3.1 without problems and I disabled the Windows swapfile. By disabling the Windows swapfile, you CANNOT install Win32s. I managed to install 4DOS without too much of a problem, but I managed to disable swapfile support also. The notebook has 256 MB of memory with 248 MB is usable, 8 MB is reserved for video memory. The notebook PC has a integrated S3 Twister 86C380 graphics chip with 7 MB of video memory. MS-DOS 6.22 can only recognise up to 64 MB of memory and only supports the 16-bit FAT file system which limits the size of the partition to 2 GB (up to 65,505 clusters at 32 KB per cluster and 64 sectors per cluster). Currently, I have the drive split up into four partitions: 2. Drive C: (primary partition): 1,474.47 MB with 49.63 MB (or 3.37%) of disk space used 3. The extended partition occupies a total of 6,141.09 MB. Drives D, E and F all have 2,047.03 MB with drive F using 40.25 MB (or 1.96%) of disk space. Drives D and E have not been used yet. Overall, out of the total 7,615.56 MB capacity, MS-DOS 6.22 is using only 89.88 MB or just 1.18% of the total disk space. This may sound too much and too good to be true for a tiny 21-year old operating system. However, MS-DOS 5 through 6.22 alone may not understand how a SSD functions and I have concerns over possible data corruption. Also, is it possible to use USB support and PCMCIA drivers under MS-DOS and Windows 3.1? The notebook has two PCMCIA slots that were made by ENE Technology Inc. Under Windows 3.1, the OS doesn't even detect the USB floppy drive at all. Windows File Manager displays drives C, D, E, F and X. Do you have any idea what can be done to reduce data corruption under MS-DOS when run on a SSD? Also, how can I get Windows 3.1 to detect the USB floppy drive when MS-DOS does?