User's Manual 686LCD/S & 686LCD/MG CPU Board

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I/O Port Access Read/ Write 686LCD/S & 686LCD/MG CPU Board - Version 1.4.0 - 8. December 1997 Description 01F0h - 01F7h may be used by on-board hard disk controller for primary (1) IDE port. Depends on choice made in INSIDE setup. 01F0h PCI/ISA R/W Hard disk 0 data register base port 01F1h PCI/ISA R Hard disk 0 error register Bits 7-3 Bits 2-0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 - - 001 010 011 100 101 0 1 0 1 - 0 1 - 0 1 0 1 0 1 Diagnostic mode Reserved Diagnostics mode errors No errors Controller error Sector buffer error ECC device error Control processor error Operation mode Block is not bad Bad block detected No error Uncorrectable ECC error Reserved ID not found ID found Reserved Command aborted Command completed Track 000 found Track 000 not found DAM found (CP-3002 is always 0) DAM not found 01F1h PCI/ISA W Hard disk 0 write pre-compensations register 01F2h PCI/ISA R/W Hard disk 0 sector count 01F3h PCI/ISA R/W Hard disk 0 sector number 01F4h PCI/ISA R/W Hard disk 0 number of cylinders, low byte 01F5h PCI/ISA R/W Hard disk 0 number of cylinders, high byte 01F6h PCI/ISA R/W Hard disk 0 drive/head register Bit 7 Bit 6 Bit 5 Bit 4 1 0 1 - 0 1 Bit 3-0 nnnn 01F7h PCI/ISA R Hard disk 0 status register Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 1 1 1 1 1 1 1 1 Reserved Reserved Reserved Drive select First hard disk drive Second hard disk drive Head select bits 01F7h PCI/ISA W Hard disk drive 0 command register Controller is executing a command Drive is ready Write fault Seek complete Sector buffer requires servicing Disk data read corrected An index. Set to 1 each disk revolution Previous command ended with an error 020Ch - 020Dh and 021Fh are used by AMIBIOS. 020Ch- R/W Reserved for special use by AMIBIOS 020Dh 021Fh R/W Reserved for special use by AMIBIOS 0278h - 027Fh may be used by on-board peripheral controller as Parallel port 2. Depends on choice made in INSIDE setup. The bit definitions for these addresses are the same as those for addresses 0378h-037Fh. 0278h PCI/ISA R/W Parallel port 2, data 0279h PCI/ISA R/W Parallel port 2, status 027Ah PCI/ISA R/W Parallel port 2, control 027Bh PCI/ISA R/W Parallel port 2, EPP address port 027Ch PCI/ISA R/W Parallel port 2, EPP data port 0 027Dh PCI/ISA R/W Parallel port 2, EPP data port 1 027Eh PCI/ISA R/W Parallel port 2, EPP data port 2 027Fh PCI/ISA R/W Parallel port 2, EPP data port 3 INSIDE Technology A/S. Page 40 of 134
686LCD/S & 686LCD/MG CPU Board - Version 1.4.0 - 8. December 1997 I/O Port Access Read/ Write Description 02E8h - 02EFh may be used by on-board peripheral controller as Serial port 4. Depends on choice made in INSIDE setup. The bit definitions for these addresses are the same as those for addresses 03F8h-03FFh. 02E8h PCI/ISA R Receiver buffer register, when DLAB is 0 02E8h PCI/ISA W Transmitter buffer register, when DLAB is 0 02E8h PCI/ISA R/W Divisor latch LSB, when DLAB is 1 02E9h PCI/ISA R/W Divisor latch MSB, when DLAB is 1 02E9h PCI/ISA R/W Interrupt enable register, when DLAB is 0 02EAh PCI/ISA R Interrupt identification register 02EAh PCI/ISA W FIFO control register 02EBh PCI/ISA R/W Line control register 02ECh PCI/ISA R/W Modem control register 02EDh PCI/ISA R/W Line status register 02EEh PCI/ISA R/W Modem status register 02EFh PCI/ISA R/W Scratch pad register 02F8h - 02FFh may be used by on-board peripheral controller as Serial port 2. Depends on choice made in INSIDE setup. The bit definitions for these addresses are the same as those for addresses 03F8h-03FFh. 02F8h PCI/ISA R Receiver buffer register, when DLAB is 0 02F8h PCI/ISA W Transmitter buffer register, when DLAB is 0 02F8h PCI/ISA R/W Divisor latch LSB, when DLAB is 1 02F9h PCI/ISA R/W Divisor latch MSB, when DLAB is 1 02F9h PCI/ISA R/W Interrupt enable register, when DLAB is 0 02FAh PCI/ISA R Interrupt identification register 02FAh PCI/ISA W FIFO control register 02FBh PCI/ISA R/W Line control register 02FCh PCI/ISA R/W Modem control register 02FDh PCI/ISA R/W Line status register 02FEh PCI/ISA R/W Modem status register 02FFh PCI/ISA R/W Scratch pad register 0364h - 0367h and 036Ch - 036Fh are used by AMIBIOS. 0364h-0367h R/W Reserved for special use by AMIBIOS 036Ch-036Fh R/W Reserved for special use by AMIBIOS 0370h - 0377h may be used by on-board peripheral controller as Floppy disk controller port 2. Depends on choice made in INSIDE setup. The bit definitions for these addresses are the same as those for addresses 03F0h-03F7h. 0370h PCI/ISA R Status Register A (SRA) 0371h PCI/ISA R Status Register B (SRB) 0372h PCI/ISA R/W Floppy disk controller output register (DOR) 0373h PCI/ISA R/W Tape Drive Register (TSR) 0374h PCI/ISA R Floppy disk controller status register (MSR) 0374h PCI/ISA W Data Rate Select Register (DSR) 0375h PCI/ISA R/W Floppy disk controller data register (FIFO) 0376h PCI/ISA - Reserved 0377h PCI/ISA R Digital input register (DIR) 0377h PCI/ISA W Hard disk status register (CCR) 0374 – 0377h may be used by on-board IDE controller as Secondary IDE Control Block. 0374h PCI/ISA - Reserved. 0375h PCI/ISA - Reserved. 0376h PCI/ISA R/W Alt. Status/ Device control. 0377h PCI/ISA R/W Forward to ISA (floppy). 0378h - 037Fh may be used by on-board peripheral controller as Parallel port 1. Depends on choice made in INSIDE setup. 0378h PCI/ISA R/W Parallel port 1, data 0379h PCI/ISA R Parallel port 1, status Bit 7 Bit 6 0 0 Busy Acknowledge INSIDE Technology A/S. Page 41 of 134
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User's Manual 686LCD/S & 686LCD/MG CPU Board

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