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#1
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how to increase conventioal memory
hi
i am use windows 98 SE and i am run dos base soft. when i am start ms dos soft. it running perfectly but after 15min or 20min later is give a error of conventional memory. so how to increase a conve. mem. my pc configuration is: PII - 350 MHz 256 SD RAM 10 GB HDD(5GB FREE) but i am install this system windows 2000 its running perfectly. and my ms dos progr require memory is 16mb |
#2
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"RASHESH" wrote in
: hi i am use windows 98 SE and i am run dos base soft. when i am start ms dos soft. it running perfectly but after 15min or 20min later is give a error of conventional memory. so how to increase a conve. mem. my pc configuration is: PII - 350 MHz 256 SD RAM 10 GB HDD(5GB FREE) but i am install this system windows 2000 its running perfectly. and my ms dos progr require memory is 16mb www.computerhope.com/ac.htm#4 But conventional memory is only the memory below 1MB. You program uses 16MB, so it's not all conventional. Maybe you'll have to skip the 'NOEMS' When it first runs fine, and stops after 15 minutes, while it runs perfectly in W2000, then maybe you have a memory leak in emm386 of W98SE. |
#3
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http://support.microsoft.com/default.aspx?scid=kb;[LN];134399
How to Increase Conventional Memory for MS-DOS-Based Programs How much conventional memory is available when you start, and how much is available when the message appears? -- Jeff Richards MS MVP (Windows - Shell/User) "RASHESH" wrote in message ... hi i am use windows 98 SE and i am run dos base soft. when i am start ms dos soft. it running perfectly but after 15min or 20min later is give a error of conventional memory. so how to increase a conve. mem. my pc configuration is: PII - 350 MHz 256 SD RAM 10 GB HDD(5GB FREE) but i am install this system windows 2000 its running perfectly. and my ms dos progr require memory is 16mb |
#4
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"Ingeborg" wrote in message
... "RASHESH" wrote in : hi i am use windows 98 SE and i am run dos base soft. when i am start ms dos soft. it running perfectly but after 15min or 20min later is give a error of conventional memory. so how to increase a conve. mem. my pc configuration is: PII - 350 MHz 256 SD RAM 10 GB HDD(5GB FREE) but i am install this system windows 2000 its running perfectly. and my ms dos progr require memory is 16mb www.computerhope.com/ac.htm#4 But conventional memory is only the memory below 1MB. You program uses 16MB, so it's not all conventional. Maybe you'll have to skip the 'NOEMS' When it first runs fine, and stops after 15 minutes, while it runs perfectly in W2000, then maybe you have a memory leak in emm386 of W98SE. Nope, conventional memory is the first addressable 640 KB of memory. That's what the encrypted question was about. EMM386 /NOEMS pages in high memory. The remainder is extended memory that can be made into expanded memory format/paged. |
#5
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"Lil' Dave" wrote in
: Nope, conventional memory is the first addressable 640 KB of memory. That's what the encrypted question was about. In earlier days (around the middle ages) I used an compiler/optimizer from Texas Instruments, which was developed for some 32 bit platform (unix, I think), and ported to dos. By this history it was only able to use conventional memory. Unfortunately the optimizer could not optimize complicated code because it then needed more than 640kB. But then (sound of trumpets) dos 5 appeared. By using the option 'devicehigh=emm386.exe I=A000-EFFF' it was possible to create a dedicated session with 960kB contiguous 'conventional' memory. Because the videocard wasn't accessible anymore (it was mapped in A000-BFFF ram and C000-C7FF rom), the line 'ctty com1' in autoexec.bat was necessary, which redirected the console to com1, so you could use the computer with a serial terminal. Theoretically it is possible to use 1MB in this way, but then no bios services (diskaccess) are available anymore (bios is mapped in F000- FFFF), and some interrupts have to be redirected to usercode. For this reason I feel free to claim the the whole 8086 addressable range is conventional memory. :-) BTW, this option was disappeared in dos 6.x. You could use 960kB, but it was not contiguous anymore. Mem reported 640kB dos memory, and 320kB UMB's. I haven't tried it in dos 7 anymore. Ingeborg |
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