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VT82C596B датащи(PDF) 48 Page - List of Unclassifed Manufacturers |
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VT82C596B датащи(HTML) 48 Page - List of Unclassifed Manufacturers |
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48 / 96 page ![]() VT82C596B Revision 0.3 June 17, 1999 -42- PCI Function 0 Registers - PCI-to-ISA Bridge 7HFKQRORJLHV ,QF :H &RQQHFW :H &RQQHFW Miscellaneous / General Purpose I/O Offset 73-70 - Subsystem ID ............................................ WO 31-0 Subsystem ID and Subsystem Vendor ID Write Only. Always reads back 0. Contents may be read at offset 2C. Offset 77-74 – GPIO / Chip Select Control .....................RW 31-30 Reserved ........................................ always reads 0 29 PCS1# For Internal I/O (Pin N5) 0 Disable ...................................................default 1Enable 28 PCS0# For Internal I/O (Pin L4) 0 Disable ...................................................default 1Enable 27 RTC Rx32 Remap to Rx7F Century Byte 0 Disable ...................................................default 1Enable 26 RTC Rx32 Write Protect 0 Disable ...................................................default 1Enable 25 RTC Rx0D Write Protect 0 Disable ...................................................default 1Enable 24 DMA Controller Shadow Registers 0 Disable ...................................................default 1Enable 23-22 Reserved ........................................ always reads 0 21 PCS1# Enable (Pin N5) 0 Disable ...................................................default 1Enable 20 PCS0# Enable (Pin L4) 0 Disable ...................................................default 1Enable 19 MCCS# Enable (Pin N4) 0 Disable ...................................................default 1Enable 18 GPO26 Enable (Pin K1) 0 Disable ...................................................default 1Enable 17 GPO25 Enable (Pin L1) 0 Disable ...................................................default 1Enable 16 GPO24 Enable (Pin M2) 0 Disable ...................................................default 1Enable 15 GPO23 Enable (Pin M4) 0 Disable ...................................................default 1Enable 14 GPO22 Enable (Pin M3) 0 Disable ...................................................default 1Enable 13 GPO21 Enable 0 Disable................................................... default 1Enable 12 GPO20 Enable 0 Disable................................................... default 1Enable 11 GPO19 Enable (Pin K16) 0 Disable................................................... default 1Enable 10 GPO18 Enable (Pin R2) 0 Disable................................................... default 1Enable 9 GPO17 Enable (Pin R1) 0 Disable................................................... default 1Enable 8 Decode 0 Subtractive ............................................. default 1 Positive 7APIC Enable 0 Disable................................................... default 1Enable 6 GPI12 Enable (Pin P18) 0 Disable................................................... default 1Enable 5 GPI11 Enable (Pin N17) 0 Disable................................................... default 1Enable 4 GPI10 Enable (Pin P16) 0 Disable................................................... default 1Enable 3 GPI9 Enable (Pin U19) 0 Disable................................................... default 1Enable 2 GPI8 Enable (Pin H19) 0 Disable................................................... default 1Enable 1 Internal APIC 0 Disable................................................... default 1Enable 0 GPI0/IOCHCK, GPO[7-1]/LA[23-17] Select 0 GPI0, GPO[7-1]..................................... default 1 IOCHCK, LA[23-17] Bits 18-0 also control multi-function pin definitions. Refer to the General Purpose Inputs and Outputs sections of the pin descriptions for more information. |
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