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数据搜索系统，热门电子元器件搜索 |
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910GL 数据表(PDF) 157 Page - Intel Corporation |
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910GL 数据表(HTML) 157 Page - Intel Corporation |
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157 / 426 page  Host-PCI Express* Bridge Registers (D1:F0) (Intel® 82915G/82915P/82915PL Only) R Datasheet 157 8.1.39 SLOTCAP—Slot Capabilities (D1:F0) PCI Device: 1 Address Offset: B4h Default Value: 00000000h Access: R/WO Size: 32 bits PCI Express slot-related registers allow for the support of Hot-Plug. Bit Access & Default Description 31:19 R/WO 0000h Physical Slot Number: This field indicates the physical slot number attached to this Port. This field must be initialized by BIOS to a value that assigns a slot number that is globally unique within the chassis. 18:17 Reserved 16:15 R/WO 00b Slot Power Limit Scale: This field specifies the scale used for the Slot Power Limit Value. 00 = 1.0x 01 = 0.1x 10 = 0.01x 11 = 0.001x If this field is written, the link sends a Set_Slot_Power_Limit message. 14:7 R/WO 00h Slot Power Limit Value: In combination with the Slot Power Limit Scale value, this field specifies the upper limit on power supplied by slot. Power limit (in Watts) is calculated by multiplying the value in this field by the value in the Slot Power Limit Scale field. If this field is written, the link sends a Set_Slot_Power_Limit message. 6 R/WO 0b Hot-plug Capable: This field indicates that this slot is capable of supporting Hot-plug operations. 5 R/WO 0b Hot-plug Surprise: This field indicates that a device present in this slot might be removed from the system without any prior notification. 4 R/WO 0b Power Indicator Present: This field indicates that a Power Indicator is implemented on the chassis for this slot. 3 R/WO 0b Attention Indicator Present: This field indicates that an Attention Indicator is implemented on the chassis for this slot. 2:1 Reserved 0 R/WO 0b Attention Button Present: This field indicates that an Attention Button is implemented on the chassis for this slot. The Attention Button allows the user to request hot-plug operations. |
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