иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии иии иии иии зддд© зддд© здбд© зддд© б б зд© б зддд© здбд© иии иии Ё Ё Ё Ё а Ё цддды Ё Ё ЧЧЧ Ё Ё Ё цд Ё иии иии юддды юддды а а а юддды а юды юддды а иии иии иии иии здд© © здд© здд© здд© з © б б б б здд© иии иии здды Ё д╢ д д╢ Ё Ё цдд© д Ё юдде юдде Ё иии иии юдды а юдды юдды юдды юдды а а а а иии иии иии иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Compliments of The P e r S t o r S u p p o r t B o a r d FidoNet 1:102/523 AlterNet 7:401/523 ALL ABOUT BIOSES PS180-8XT The current ROM BIOS on the PS180-8XT hard disk controller is version XT9-1.05, which supports IRQ and DMA requests. It has four hard disk cylinder and head configurations in each of the four available drive tables. If two hard disks are to be installed in the system, both must be listed in the same drive table. If they are not in the same table, a custom BIOS is necessary. See page 16 for further information on these BIOS configuration tables. The version XT9-1.05 BIOS will allow you to install two PS180-8XT controllers in the same system and use low-level format programs from other software packages. The drive tables of this version differ from those of the earlier XT9-1.03 BIOS version. It is a good idea to check the BIOS drive tables of the version you have for correct jumpering instructions. For XT compatible systems having 286 accelerator cards, 386 accelerator cards, NEC V-20 chips, or NEC V-30 chips, and the AT&T 6300 computers, we advise that you use the AT9-1.03 version of the BIOS with the PS180-8XT Controllers. This will make operation more efficient and increase data transfer rate. The AT&T 6300 computer has a resident ROM addressed at C800:0 which must be disabled to operate with the PS180-8XT Controller. In addition, the AT&T motherboard has two sets of 8 position dip switches; dip switch 0 and dip switch 1. Position 3 of dip switch 1 (located to the back of the motherboard) must be in the OFF position for this computer to operate correctly with the PS180-8XT Controller. Expansion boxes used with IBM PC compatibles have their own power supply and bus expansion slots, and they use interface cards between the main computer and the expansion box. Some of these systems can be used with the XT9-1.03 or XT9-1.05 BIOS version on the PS180-8XT card with satisfactory results. Other such systems must have the XAT9-1.03 BIOS (available from Perstor Systems, Inc.) to perform data transfers and hard disk formats. PS180-8AT The Perstor PS180-8AT controllers work in AT and compatible systems having up to a 10 MHZ bus speed and up to a 20 MHZ processor speed. With these 286 systems, the C-MOS must be set in the system setup configuration to show that no hard disks are attached prior to installing the PS180-8AT Controller. The current ROM BIOS on the PS180, version AT9-1.07, supports programmed I/O transfers. This BIOS has four hard disk cylinder and head configurations in each of the four available drive tables. If two hard disks are to be installed in the system, both must be listed in the same drive table. If they are not in the same table, a custom BIOS is necessary. The AT9-1.07 BIOS will allow you to install two PS180-8XT controllers in the same system and use low-level format programs from other software packages. The drive tables of this version differ from those of the earlier AT9-1.03 BIOS version. It is a good idea to check the BIOS drive tables of the version you have for correct jumpering instructions. If you have the AT9-1.03 BIOS, the Award motherboard BIOS requires that either two drives be attached to the PS180-8AT or that drive 1 be jumpered radially for the PS180-8AT to work properly. Using a PS180-8AT with a system having a motherboard BIOS by AMI or DTK will result in clock problems upon boot-up. The hour will be correct, but the minutes will always reset to 00. You can eliminate these problems by using the AT9-1.07 BIOS DRIVE TABLE LISTINGS - AT9-1.03 AND XT9-1.03 _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 1) CYLS/HEADS 5-6 7-8 13-14 15-16 306/4 OFF OFF OFF OFF 640/4 ON OFF OFF OFF 640/6 OFF ON OFF OFF 1024/3 ON ON OFF OFF DRIVE UNIT 1 PIN SETS (TABLE 1) CYLS/HEADS 1-2 3-4 13-14 15-16 306/4 OFF OFF OFF OFF 640/4 ON OFF OFF OFF 640/6 OFF ON OFF OFF 1024/3 ON ON OFF OFF _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 2) CYLS/HEADS 5-6 7-8 13-14 15-16 615/4 OFF OFF ON OFF 1024/5 ON OFF ON OFF 1024/8 OFF ON ON OFF 1024/15 ON ON ON OFF DRIVE UNIT 1 PIN SETS (TABLE 2) CYLS/HEADS 1-2 3-4 13-14 15-16 615/4 OFF OFF ON OFF 1024/5 ON OFF ON OFF 1024/8 OFF ON ON OFF 1024/15 ON ON ON OFF _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 3) CYLS/HEADS 5-6 7-8 13-14 15-16 697/5 OFF OFF OFF ON 872/6 ON OFF OFF ON 925/5 OFF ON OFF ON 918/15 ON ON OFF ON DRIVE UNIT 1 PIN SETS (TABLE 3) CYLS/HEADS 1-2 3-4 13-14 15-16 697/5 OFF OFF OFF ON 872/6 ON OFF OFF ON 925/5 OFF ON OFF ON 918/15 ON ON OFF ON _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 4) CYLS/HEADS 5-6 7-8 13-14 15-16 615/4 OFF OFF ON ON 733/5 ON OFF ON ON 820/6 OFF ON ON ON 1024/9 ON ON ON ON DRIVE UNIT 1 PIN SETS (TABLE 4) CYLS/HEADS 1-2 3-4 13-14 15-16 615/4 OFF OFF ON ON 733/5 ON OFF ON ON 820/6 OFF ON ON ON 1024/9 ON ON ON ON _________________________________________________________________ DRIVE TABLE LISINGS - AT9-1.07 OR XT9-1.05 BIOS _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 1) CYLS/HEADS 5-6 7-8 13-14 15-16 615/6 OFF OFF OFF OFF 615/8 ON OFF OFF OFF 733/5 OFF ON OFF OFF 830/10 ON ON OFF OFF DRIVE UNIT 1 PIN SETS (TABLE 1) CYLS/HEADS 1-2 3-4 13-14 15-16 615/6 OFF OFF OFF OFF 615/8 ON OFF OFF OFF 733/5 OFF ON OFF OFF 830/10 ON ON OFF OFF _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 2) CYLS/HEADS 5-6 7-8 13-14 15-16 612/4 OFF OFF ON OFF 1024/5 ON OFF ON OFF 1024/8 OFF ON ON OFF 1024/15 ON ON ON OFF DRIVE UNIT 1 PIN SETS (TABLE 2) CYLS/HEADS 1-2 3-4 13-14 15-16 612/4 OFF OFF ON OFF 1024/5 ON OFF ON OFF 1024/8 OFF ON ON OFF 1024/15 ON ON ON OFF _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 3) CYLS/HEADS 5-6 7-8 13-14 15-16 615/4 OFF OFF OFF ON 977/5 ON OFF OFF ON 820/6 OFF ON OFF ON 1024/9 ON ON OFF ON DRIVE UNIT 1 PIN SETS (TABLE 3) CYLS/HEADS 1-2 3-4 13-14 15-16 615/4 OFF OFF OFF ON 977/5 ON OFF OFF ON 820/6 OFF ON OFF ON 1024/9 ON ON OFF ON _________________________________________________________________ DRIVE UNIT 0 PIN SETS (TABLE 4) CYLS/HEADS 5-6 7-8 13-14 15-16 925/5 OFF OFF ON ON 925/9 ON OFF ON ON 981/5 OFF ON ON ON 918/15 ON ON ON ON DRIVE UNIT 1 PIN SETS (TABLE 4) CYLS/HEADS 1-2 3-4 13-14 15-16 925/5 OFF OFF ON ON 925/9 ON OFF ON ON 981/5 OFF ON ON ON 918/15 ON ON ON ON _________________________________________________________________