Seagate ST1.2 ST1.2 Series Product Manual - Page 50
TPCE_IO: I/O Address Range Description Field #2 Address = 3F6
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0E0H 0E2H 0E4H 0E6H 0E8H 0EAH 0ECH 0EEH 0F0H 0F2H 0F4H 0F6H 0F8H 0FAH 0FCH 99H 27H 55H 4DH 5DH B6H 1EH EAH 61H F0H 01H 07H F6H 03H 01H TPCE_FS: (Feature Selection Byte) Power (bit0,1) = 01 (Vcc Only) Timing (bit2) = 0 I/O (bit3) = 0 Interrupt (bit4) = 0 Memory (bit5,6) = 01 Misc (bit7) = 1 TPCE_PD (Power Description Structure) TPCE_PD: Parameter Selection Byte NomV (bit0) =1 MinV (bit1) = 1 MaxV (bit2) =1 PeakI (bit5) =1 TPCE_PD: Power Parameter Definition (NomV) Exponent (bit 0..2) = 5 (1V) - ->5.0V Mantissa (bit3..6) = A (5.0) TPCE_PD: Power Parameter Definition (MinV) Exponent (bit 0..2) = 5 (1V) - ->4.5V Mantissa (bit3..6) = 9 (4.5) TPCE_PD: Power Parameter Definition (MaxV) Exponent (bit 0..2) = 5 (1V) - ->5.5V Mantissa (bit3..6) = C (5.5) TPCE_PD: Power Parameter Definition (PeakI) Exponent (bit 0..2) = 6 (100mA) - -+- ->330mA Mantissa (bit3..6) = 6 (3) + Extension (bit7) = 1 (Extension Byte Exists) + TPCE_PD: Extension = 1Eh = +30 - -+ TPCE_IO: (I/O Space Address required for this configuration) I/O Address Lines (bit0..4) =A (1K byte boundary) Bus 16/8 (bit5,6) = 3 (Support 16/8 bit access) Range (bit7) = 1 (See I/O Range Description Byte) TPCE_IO: I/O Range Description Byte # of address range - 1 (bit0..3) = 1 (#of field = 2) Size Of Address (bit4,5) = 2 (2 byte address) Size Of Length (bit6,7) = 1 (1 byte length) TPCE_IO: I/O Address Range Description Field #1 Address = 1F0 TPCE_IO: I/O Address Block Length = 8 TPCE_IO: I/O Address Range Description Field #2 Address = 3F6 TPCE_IO: I/O Address Block Length = 2 44 ST1.2 Series Product Manual, Rev. B