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參數(shù)資料
| 型號： | 2105011 |
| 英文描述： | LUBRICANT GREASE 85G |
| 中文描述： | 潤滑脂85克 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 92K |
| 代理商： | 2105011 |
21050 PCI-to-PCI Bridge Hardware Implementation
12
Application Note
5.2
Controlling Write Posting
You can also configure the 21050 to always enable or always disable write posting.
For example:
If s_bufne_l status is not used and write posting is always enabled:
— Tie s_dispst_l high through a 1K resistor.
— Leave s_bufne_l floating.
If s_bufne_l status is not used and write posting is always disabled:
— Tie s_dispst_l low through a 1K resistor.
— Leave s_bufne_l floating.
— Set the Disable Posting bit in the 21050 configuration space [Cfg Addr 40 (hex), bit 1].
5.3
Interrupt Binding on Option Cards
When PCI-PCI Bridges are used in option cards, a binding is required by the
PCI-to-PCI Bridge
Architecture Specification
between the device number (as given in the Type 1 configuration
address and, therefore, the IDSEL line) and the INTx# line it uses when requesting an interrupt.
The PCI connector has only four interrupt lines assigned to it: INTA#, INTB#, INTC#, and INTD#.
Multiple devices might have to share these lines.
Since only the BIOS knows how the PCI INTx# lines are routed to the system interrupt controller,
a mechanism is required to inform the device driver of which IRQ its device will request an
interrupt on. The interrupt line register stores this information. The BIOS code assumes the binding
as listed in
Table 2
behind a PCI-PCI Bridge and writes the IRQ number in each device. The
interrupt binding defined in
Table 2
is mandatory for option cards utilizing PCI-PCI Bridges.
Table 2. Interrupt Binding on Option Cards
Device Number on Secondary Bus
Interrupt Pin on Device
Interrupt Pin on Connector
0, 4, 8, 12, 16, 20, 24, 28
INTA#
INTB#
INTC#
INTD#
INTA#
INTB#
INTC#
INTD#
1, 5, 9, 13, 17, 21, 25, 29
INTA#
INTB#
INTC#
INTD#
INTB#
INTC#
INTD#
INTA#
2, 6, 10, 14, 18, 22, 26, 30
INTA#
INTB#
INTC#
INTD#
INTC#
INTD#
INTA#
INTB#
3, 7, 11, 15, 19, 23, 27, 31
INTA#
INTB#
INTC#
INTD#
INTD#
INTA#
INTB#
INTC#
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 2105012 | SUPER LUBE 400G |
| 2105021 | SUPERLUBE OEL OIL 7G |
| 21050-AA | PCI Bus Interface/Controller |
| 21052-AA | PCI Bus Interface/Controller |
| 21052-AB | PCI Bus Interface/Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 2105012 | 制造商:Henkel Corporation / Loctite 功能描述:GREASE SUPERLUBE 400G 制造商:LOCTITE 功能描述:GREASE, SUPERLUBE, 400G |
| 21-0501-20 | 功能描述:IC 與器件插座 STRIP LINE BIFURCATE 21 PINS TIN RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點(diǎn)數(shù)量:2011 觸點(diǎn)電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| 21-0501-21 | 功能描述:IC 與器件插座 STRIP LINE BIFURCATE 21 PINS GOLD RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點(diǎn)數(shù)量:2011 觸點(diǎn)電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| 210-501-21-38 | 制造商:MARL International Limited 功能描述:T1 3/4 5mm MES red LED,12Vdc |
| 210-501-21-38_1312 | 制造商:MARL 制造商全稱:Marl International Limited 功能描述:filament replacement leds |
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