參數(shù)資料
型號: FW82815
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 33/172頁
文件大?。?/td> 795K
代理商: FW82815
82815 GMCH
R
Datasheet
33
2.10.
GMCH Power-Up/Reset Strap Options
Pin Name
Strap Description
Configuration
Interface
Type
Buffer Type
SBA[7]
Local Memory Frequency
Select
High = 133 MHz (default)
Low = 100MHz
AGP/LM
Input
SCAS#
Host Frequency
High = 133 MHz (default)
Low = 100 or 66 MHz
System
Memory
Bi-directional
SWE#
Host Frequency
High = 100 MHz (default)
Low = 66 MHz
System
Memory
Bi-directional
SMAA[11]
IOQ Depth
High = 4 (default)
Low = 1
System
Memory
Bi-directional
SMAA[10]
ALL Z
High = Normal (default)
Low = All Z
System
Memory
Bi-directional
SRAS#
XOR Test mode
High = Normal (default)
Low = XOR test mode
System
Memory
Bi-directional
SMAA[9]
FSB P-MOS Kicker
Enable
High = enabled
(non-CuMine) (default)
Low = disabled (CuMine)
System
Memory
Bi-directional
NOTES:
1. For normal operation, all strap pins must be set high “1” (except IOQ Depth and Host Frequency straps which
should be set appropriately).
2. External reset signal used to sample the straps is RESET#.
3. All system memory reset straps have internal 50K ohm pull-ups during reset.
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