82443BX Datasheet, PDF (53/132 Pages) Intel Corporation – Host Bridge/Controller

Register Description
Bit
16
15
14
13:12
11:10
9:8
7:6
5:4
3:2
1:0
Description
CSA2#/RASA2#, CSB2#/RASB2# Buffer Strength. This field sets the buffer strength for the
CSA2#/RASA2#, CSB2#/RASB2# pins.
0 = 1x (66 MHz & 100 MHz)
1 = 2x (66 MHz & 100 MHz)
CSA1#/RASA1#, CSB1#/RASB1# Buffer Strength. This field sets the buffer strength for the
CSA1#/RASA1#, CSB1#/RASB1# pins.
0 = 1x (66 MHz & 100 MHz)
1 = 2x (66 MHz & 100 MHz)
CSA0#/RASA0#, CSB0#/RASB0# Buffer Strength. This field sets the buffer strength for the
CSA0#/RASA0#, CSB0#/RASB0# pins.
0 = 1x (66 MHz & 100 MHz)
1 = 2x (66 MHz & 100 MHz)
DQMA5/CASA5# Buffer Strength. This field sets the buffer strength for the DQMA5/CASA5#
pins.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz only)
DQMA1/CASA1# Buffer Strength. This field sets the buffer strength for the DQMA1/CASA1#
pin.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz & 100 MHz)
DQMB5/CASB5# Buffer Strength. This field sets the buffer strength for the DQMB5/CASB5#
pin.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz only)
DQMB1/CASB1# Buffer Strength. This field sets the buffer strength for the DQMB1/CASB1#
pin.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz only)
DQMA[7:6,4:2,0]/CASA[7:6,4:2,0]# Buffer Strength. This field sets the buffer strength for the
DQMA[7:6]/CASA[7:6]#, DQMA[4:2]/CASA[4:2]#, and the DQMA[0]/CASA[0]# pins.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz & 100 MHz)
CKE1/GCKE Buffer Strength. This field sets the buffer strength for the CKE1 pin.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz & 100 MHz)
CKE0/FENA Buffer Strength. This field sets the buffer strength for the CKE0/FENA pin.
00 = 1x (66 MHz & 100 MHz)
01 = Reserved (Invalid setting)
10 = 2x (66 MHz & 100 MHz)
11 = 3x (66 MHz & 100 MHz)
82443BX Host Bridge Datasheet
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