Date:    02/15/1996
Product: 5511/5512/5513
Subject: IDE Driver Change Notice

The IDE driver has been changed from 551X114.ZIP to 551X116.zip.
    NINE parts has been changed :
        (1) SiS IDE DOS Driver modified.
        (2) SiS IDE Windows Driver modified.
        (3) SiS IDE Windows 95 Driver modified.
        (4) SiS IDE OS/2 Driver modified.
        (5) SiS IDE OS/2 Driver readme.doc file modified.
        (6) SiS IDE Netware Driver modified.
        (7) SiS IDE Netware Driver readme.doc file modified.

===============================================================================
5513IDE MODIFIED LOG:
1.      Under Windows 95, system can't play Video-CD & Audio-CD after SiS IDE
        Windows 95 Driver installed.
Sol:    Now SiS IDE Windows 95 driver Ver 1.16 can full support Video CD &
        Audio-CD directly.

        CDROM SCT Test for Audio-CD & Video-CD function with
        SiS IDE Windows 95 Driver:

                             Audio    Video
            Philips 20CR      pass      pass
            Philips 42CR      pass      pass
            Philips 52CR      pass      pass
            Acer 527          pass      pass
            Creative 620E     pass      pass
            Creative 420E     fail      fail
            Toshiba 5302B     pass      fail
            Mitsumi 400FX     pass      fail
            Sanyo             fail      fail
            Pioneer 124       fail      pass
            BCD 539T          pass      pass
            Panasonic 574B    fail      pass
            Panasonic 581J    pass      pass
            TEAC 55E          fail      pass
            TEAC 56E          pass      pass
            Sony 55E          pass      pass
            Sony 77E          pass      pass
            NEC 272           pass      pass
            NEC 273           pass      pass
            Aztech CDA 668    pass      pass

2.      Under Windows 95 (SiS IDE DMA Mode Driver + 32 MB DRAM + IDE CD-ROM),
        "Exception Error Message" will appear when accessing CD-ROM.
Sol:    Version 1.16 fixed.

3.      Under Windows 95, SiS IDE Driver (DMA Mode) can't work concurrently
        with other DMA operation.
Sol:    Version 1.16 fixed.

4.      Under Windows 95, SiS IDE Windows 95 Driver Ver 1.16 improves the
        performance of DMA mode.

5.      Under DOS, SiS IDE DOS Driver can show "DMA mode of Current disk =
        ..." message for Hard Disks' working mode after driver be active.

6.      Under Windows 3.1, SiS IDE Driver (DMA Mode) can't work concurrently
        with other DMA operation.
Sol:    Version 1.16 fixed.

7.      SiS IDE OS/2 Driver default mode changed from PIO to DMA mode.

8.      SiS IDE Netware 3.11 Driver & SiS IDE Netware 3.12 Driver change disk
        control base from IDE.DSK to ISA.DSK.