Page 1
5
4
3
2
1
MS-95A5
GEM318 Guardian Enclosure Management Controller
1U SAF-TE SCSI BACKPLANE
D D
C C
VER:0A
Title Page
Cover Sheet
Power Connector
Front Panel & CDROM & Floppy Connector
GEM318 SAF-TE
SCA Connector[0..4]
SCSI LVD Connectors
1
2
3
4
5,6,7,8
9
10Hardwars Monitor
11Video Connector
B B
A A
Title
MS-95A5 SCSI BACKPLANE
Size Document Number Rev
B
5
4
3
2
Date: Sheet
COVER SHEET 10A
18Friday, November 21, 2003
1
of
Page 2
5
4
3
2
1
REMOVE PIN
+5V
LCDPIN1
D D
T7
1
2
X_D1x2
C C
55 ohm +/-10 %
LCDPIN5 LCDPIN6
LCDPIN1 LCDPIN2
LCDPIN5
JP1
12
34
56
LCD_IN
JP2
12
34
56
LCD_OUT
LCDPIN2
LCDPIN4
LCDPIN4
LCDPIN6
14
11 10
7
+5V
14
13 12
7
+5V
EC18
270u-16V
EC19
270u-16V
U1E
7407-SOIC14
U1F
7407-SOIC14
C40
104p
T1
1
2
X_D1x2
T2
1
2
X_D1x2
T3
1
2
X_D1x2
T4
1
2
X_D1x2
T5
1
2
X_D1x2
T6
1
2
X_D1x2
C41
0.47u/0805
122 ohm +/-10 %
differential pair top layer 4:7
differential pair bottom layer 4:7
differential pair inner layer 4:12
PCB
9522-10A
FM1
B B
+12V+5V +12V+5V
JPWR1
4
12V
3
GND
2
GND
1
5V
D1x4
7
7
A A
8
9
2
H1
6
5
3
4
5
8
9
2
H2
6
5
3
4
JPWR2
4
12V
3
GND
2
GND
1
5V
D1x4
7
7
8
9
2
H3
6
5
3
4
7
8
9
2
H4
6
5
3
4
4
7
8
9
2
H5
6
5
3
4
7
8
9
2
H6
6
5
3
4
8
9
2
H7
3
6
5
3
4
EC22
270u-16V
9
2
H8
+12V
8
3
7
4
EC23
270u-16V
6
5
C44
104p
8
9
2
H9
3
2
C45
4.7u/0805
7
6
5
Title
4
Size Document Number Rev
B
Date: Sheet
1 2
X_FM
FM4
1 2
X_FM
FM7
1 2
X_FM
MS-95A5 SCSI BACKPLANE
FM2
1 2
X_FM
FM5
1 2
X_FM
POWER CONNECTOR 10A
FM3
1 2
X_FM
FM6
1 2
X_FM
1
28Friday, November 21, 2003
of
Page 3
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4
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2
1
+5V
U17A
J9
HDDP PLED
D D
HDDN SLED
RSTP PWRP
RSTN PWRN
SYSLEDP SYSLEDN
LANLED1P LANLED1N
LANLED2P LANLED2N
1
2
3
4
5
6
7
8
9
1
9
10
2
10
11
3
11
12
4
12
13
5
13
14
6
14
15
7
15
16
8
16
DRVEN34,6,7
147
1 2
74HCT14S
CONN2X8
ACTLED#36 ACTLED#47
+5V
U17E
147
DRVEN14,5
C C
11 10
ACTLED#14
74HCT14S
13 12
+5V
U19A
147
DRVEN24,5
1 2
74HCT14S
+5V
+5V
147
9
10
U17F
147
74HCT14S
8
U18C
74HC08
ACTLED1_R
DRVEN1_R
+5V
147
12
13
U18D
74HC08
DRVEN2_R
11
5 6
+5V
B B
ACTLED#25
147
3 4
U19B
74HCT14S
ACTLED2_R
+5V
+5V
147
1
2
U17C
147
74HCT14S
DRVEN3_R
3
U18A
74HC08
ACTLED3_R
DRVEN1_R
ACTLED1_R
DRVEN2_R
ACTLED2_R
DRVEN3_R
ACTLED3_R
DRVEN4_R
ACTLED4_R
HDDP
RSTP
PLED SLED
PWRP PWRN
SYSLEDP
LANLED1P
LANLED2P
J3
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
HEADER 22X2
DRVEN44,7
HDDN
RSTN
SYSLEDN
LANLED1N
LANLED2N
+5V
147
3 4
U17B
74HCT14S
9 8
+5V
147
C46
104p
+5V
4
5
U17D
74HCT14S
+5V
147
C47
104p
6
U18B
74HC08
ACTLED1_R
C48
4.7u/0805
DRVEN1_R
C49
4.7u/0805
FD_DENSEL
+5V
FDD1
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
HEADER 13X2
FD_INDEX#
FD_DRV0#
FD_DSKCHG#
FD_MOT#
FD_DIR#
FD_STEP#
FD_WDATA#
FD_WGATE#
FD_TRK0#
FD_WPD#
FD_RDATA#
FD_HEAD#
2
FD_DENSEL
FD_INDEX#
FD_MOT#
FD_DRV0#
FD_DIR#
FD_STEP#
FD_WDATA#
FD_WGATE#
FD_TRK0#
FD_WPD#
FD_RDATA#
FD_HEAD#
FD_DSKCHG#
Title
MS-95A5 SCSI BACKPLANE
Size Document Number Rev
A3
Date: Sheet
J8
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
X_YJ217-C-1
IDE AND FDD CONNECTOR 10A
38Friday, November 21, 2003
1
of
CD_RST#
CD_HD7
CD_HD6
CD_HD5
CD_HD4
CD_HD3
CD_HD2
CD_HD1
CD_HD0
CD_DMARQ
CD_IOW#
CD_IOR#
CD_CHRDY
CD_DMACK#
CD_INTRQ
CD_DA1
CD_DA0
CD_CS0#
CD_DASP#
4
5
IDE1
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
X_YJ220-CB-1
CD_HD8
CD_HD9
CD_HD10
CD_HD11
CD_HD12
CD_HD13
CD_HD14
CD_HD15
CD_CSEL
CD_DIAG#
CD_DA2
CD_CS1#
CD_RST#
CD_HD7
CD_HD6
CD_HD5
CD_HD4
CD_HD3
CD_HD2
CD_HD1
CD_HD0
CD_DMARQ
CD_IOW#
CD_IOR#
A A
CD_CHRDY
CD_DMACK#
CD_INTRQ
CD_DA1
CD_DA0
CD_CS0#
CD_DASP#
J1
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
HEADER 22X2
+5V
CD_HD8
CD_HD9
CD_HD10
CD_HD11
CD_HD12
CD_HD13
CD_HD14
CD_HD15
CD_CSEL
CD_DIAG#
CD_DA2
CD_CS1#
3
Page 4
5
4
3
2
1
CASE DLYD_START RMT_START Motor Spin Function
1
2
D D
+12V1
SCA1
1
+12V CHARGE(L)
2
+12V(S)
3
+12V(S)
4
+12V(S)
5
OPT 3.3V(S)
6
LVDM115,6,7,8
LVDM105,6,7,8
LVDIOM5,6,7,8
LVDREQM5,6,7,8
LVDCDM5,6,7,8
C C
B B
DRV1_ID[0..3]
DRV1_ID[0..3]
LVDMSGM5,6,7,8
LVDRSTM5,6,7,8
LVDACKM5,6,7,8
LVSBSYM5,6,7,8
LVDATNM5,6,7,8
LVDSELM5,6,7,8
LVDPLM5,6,7,8
LVDPHM5,6,7,8
LVDM155,6,7,8
LVDM145,6,7,8
LVDM135,6,7,8
LVDM125,6,7,8
+5V1
LVDM11
LVDM10
LVDM9
LVDM95,6,7,8
LVDM8
LVDM85,6,7,8
LVDIOM
LVDREQM
LVDCDM
LVDSELM
LVDMSGM
LVDRSTM
LVDACKM
LVDBSYM
LVDATNM
LVDPLM
LVDM7
LVDM75,6,7,8
LVDM6
LVDM65,6,7,8
LVDM5
LVDM55,6,7,8
LVDM4
LVDM45,6,7,8
LVDM3
LVDM35,6,7,8
LVDM2
LVDM1
LVDM0
LVDPHM LVDPHP
LVDM15
LVDM14
LVDM13 LVDP13
LVDM12
SPINDLE_SYNC0
RMT_START1
DRV1_ID2
OPT 3.3V(S)
7
-DB11
8
-DB10
9
-DB9
10
-DB8
11
-I/O
12
-REQ
13
-C/D
14
-SEL
15
-MSG
16
-RST
17
-ACK
18
-BSY
19
-ATN
20
-DB(P0)
21
-DB7
22
-DB6
23
-DB5
24
-DB4
25
-DB3
26
-DB2
27
-DB1
28
-DB0
29
-DB(P1)
30
-DB15
31
-DB14
32
-DB13
33
-DB12
34
+5V(S)
35
+5V(S)
36
+5V CHARGE(L)
37
SPINDLE_SYNC
38
RMT_START
39
-SCSI ID(0)
40
-SCSI ID(2)
3
open
open
ground
+12V GND(L)
+12V GND(L)
+12V GND(L)
MATED 1#
OPT 3.3V CHARGE(L)
DIFFSNS(L)
GND/+DB11
GND/+DB10
GND/+DB9
GND/+DB8
GND/+IO
GND/+REQ
GND/+CD
GND/+SEL
GND/+MSG
GND/+RST
GND/+ACK
GND/+BSY
GND/+ATN
GND/+DB(P0)
GND/+DB7
GND/+DB6
GND/+DB5
GND/+DB4
GND/+DB3
GND/+DB2
GND/+DB1
GND/+DB0
GND/+DB(P1)
GND/+DB15
GND/+DB14
GND/+DB13
GND/+DB12
MATED 2#
+5V GND(L)
+5V GND(L)
ACTIVED LED OUT
DLYD_START(L)
-SCSI ID (1)
-SCSI ID (3)
open
ground
Motor spins up at D.C. power on.
Motor spins up only when START
UNIT command is received.
SCSI ID# ID0 ID1 ID2 ID3
Moror spins up at D.C. power on
open
after a delay in seconds 12
times the value of the numeric
SEL_ID for the SCSI device.
41
42
43
DRVINT_1
44
45
DIFF_SENSE
46
LVDP11
47
LVDP10
48
LVDP9
49
LVDP8
50
LVDIOP
51
LVDREQP
52
LVDCDP
53
LVDSELP
54
LVDMSGP
55
LVDRSTP
56
LVDACKP
57
LVDBSYP
58
LVDATNP
59
LVDPLP
60
LVDP7
61
LVDP6
62
LVDP5
63
LVDP4
64
LVDP3
65
LVDP2
66
LVDP1
67
LVDP0
68
69
LVDP15
70
LVDP14
71
72
LVDP12
73
DRVINT_1
74
75
76
ACTLED#1 SPINDLE_SYNC0
77
DLYD_START1
78
DRV1_ID1DRV1_ID0
79
DRV1_ID3
80
DIFF_SENSE 5,6,7,8
LVDP11 5,6,7,8
LVDP10 5,6,7,8
LVDP9 5,6,7,8
LVDP8 5,6,7,8
LVDIOP 5,6,7,8
LVDREQP 5,6,7,8
LVDCDP 5,6,7,8
LVDSELP 5,6,7,8
LVDMSGP 5,6,7,8
LVDRSTP 5,6,7,8
LVDACKP 5,6,7,8
LVDBSYP 5,6,7,8
LVDATNP 5,6,7,8
LVDPLP 5,6,7,8
LVDP7 5,6,7,8
LVDP6 5,6,7,8
LVDP5 5,6,7,8
LVDP4 5,6,7,8
LVDP3 5,6,7,8
LVDP2 5,6,7,8LVDM25,6,7,8
LVDP1 5,6,7,8LVDM15,6,7,8
LVDP0 5,6,7,8LVDM05,6,7,8
LVDPHP 5,6,7,8
LVDP15 5,6,7,8
LVDP14 5,6,7,8
LVDP13 5,6,7,8
LVDP12 5,6,7,8
ACTLED#1 3
DRVINT_36
DRVINT_25
DRVINT_1
DRVINT_47
DRVEN13,5
DRVEN23,5
DRVEN33,6,7
DRVEN43,7
R100 X_0
R101 X_0
R102 X_0
R103 X_0
SPINDLE_SYNC0
SPINDLE_SYNC15
SPINDLE_SYNC26
SPINDLE_SYNC37
0 Open Open Open Open
1 GND Open Open Open
2 Open GND
3
4
5
6
7
8
9
10
11
12
13
14
15
GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open
GND GND GND
Open
GND GND GND GND
DRVINT_3
DRVINT_2
DRVINT_1
DRVINT_4
DRVEN1
DRVEN2
DRVEN3
DRVEN4
DRV1_ID0
DRV1_ID1
DRV1_ID2
DRV1_ID3
SPINDLE_SYNC1
SPINDLE_SYNC2
SPINDLE_SYNC3
R404 10K
R405 10K
R406 10K
R407 10K
Open Open
Open Open
GND
Open Open
GND GND
Open Open
GND GND
Open
GND GND GND
RN5
1 2
3 4
5 6
7 8
10K
R408 X_0
R409 X_0
R410 X_0
R411 X_0
Open
GND
Open
GND GND
+5V
+12V
+5V
U1B
7407-SOIC14
C7
105p
14
3 4
7
DRVINT_1
A A
DRVINT_1
5
YSCSI80-P
4
DRVEN1
DRVEN1 3,5
+5V1+12V1
R19
10K
To simulate load on SCA2 power off
(To avoid floating)
R20
10K
+5V1
U7
8
D1
7
D2
6
D3
5
D4
SI9424DY
3
1
S1
2
S2
3
S3
4
G1
+5V
DRVEN1
EC5
+
10u/16V-TANT
+12V1+5V1
+
2
EC6
10u/25V-TANT
DLYD_START1
DLYD_START25
DLYD_START36
DLYD_START47
RMT_START1
RMT_START25
RMT_START36
RMT_START47
Title
Size Document Number Rev
B
Date: Sheet
DLYD_START1
DLYD_START2
DLYD_START3
DLYD_START4
RMT_START1
RMT_START2
RMT_START3
RMT_START4
MS-95A5 SCSI BACKPLANE
R412 X_330
R413 X_330
R414 X_330
R415 X_330
R416 330
R417 330
R418 330
R419 330
SCA CONNECTOR 10A
48Friday, November 21, 2003
1
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1
CASE DLYD_START RMT_START Motor Spin Function
1
2
D D
+12V2
LVDM94,6,7,8
LVDM84,6,7,8
LVDM74,6,7,8
LVDM64,6,7,8
LVDM54,6,7,8
LVDM44,6,7,8
LVDM34,6,7,8
LVDM24,6,7,8
LVDM14,6,7,8
LVDM04,6,7,8
LVDM11
LVDM10
LVDM9
LVDM8
LVDIOM
LVDREQM
LVDCDM
LVDSELM
LVDMSGM
LVDRSTM
LVDACKM
LVDBSYM
LVDATNM
LVDPLM
LVDM7
LVDM6
LVDM5
LVDM4
LVDM3
LVDM2
LVDM1
LVDM0
LVDPHM
LVDM15
LVDM14
LVDM13
LVDM12
SPINDLE_SYNC1
LVDM114,6,7,8
LVDM104,6,7,8
LVDIOM4,6,7,8
LVDREQM4,6,7,8
LVDCDM4,6,7,8
C C
+5V2
B B
LVDSELM4,6,7,8
LVDMSGM4,6,7,8
LVDRSTM4,6,7,8
LVDACKM4,6,7,8
LVSBSYM4,6,7,8
LVDATNM4,6,7,8
LVDPLM4,6,7,8
LVDPHM4,6,7,8
LVDM154,6,7,8
LVDM144,6,7,8
LVDM134,6,7,8
LVDM124,6,7,8
SPINDLE_SYNC14
SCA2
1
+12V CHARGE(L)
2
+12V(S)
3
+12V(S)
4
+12V(S)
5
OPT 3.3V(S)
6
OPT 3.3V(S)
7
-DB11
8
-DB10
9
-DB9
10
-DB8
11
-I/O
12
-REQ
13
-C/D
14
-SEL
15
-MSG
16
-RST
17
-ACK
18
-BSY
19
-ATN
20
-DB(P0)
21
-DB7
22
-DB6
23
-DB5
24
-DB4
25
-DB3
26
-DB2
27
-DB1
28
-DB0
29
-DB(P1)
30
-DB15
31
-DB14
32
-DB13
33
-DB12
34
+5V(S)
35
+5V(S)
36
+5V CHARGE(L)
37
SPINDLE_SYNC
38
RMT_START
39
-SCSI ID(0)
40
-SCSI ID(2)
OPT 3.3V CHARGE(L)
ACTIVED LED OUT
3
+12V GND(L)
+12V GND(L)
+12V GND(L)
MATED 1#
DIFFSNS(L)
GND/+DB11
GND/+DB10
GND/+DB9
GND/+DB8
GND/+IO
GND/+REQ
GND/+CD
GND/+SEL
GND/+MSG
GND/+RST
GND/+ACK
GND/+BSY
GND/+ATN
GND/+DB(P0)
GND/+DB7
GND/+DB6
GND/+DB5
GND/+DB4
GND/+DB3
GND/+DB2
GND/+DB1
GND/+DB0
GND/+DB(P1)
GND/+DB15
GND/+DB14
GND/+DB13
GND/+DB12
MATED 2#
+5V GND(L)
+5V GND(L)
DLYD_START(L)
-SCSI ID (1)
-SCSI ID (3)
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
open
open
ground
DRVINT_2
DIFF_SENSE
LVDP11
LVDP10
LVDP9
LVDP8
LVDIOP
LVDREQP
LVDCDP
LVDSELP
LVDMSGP
LVDRSTP
LVDACKP
LVDBSYP
LVDATNP
LVDPLP
LVDP7
LVDP6
LVDP5
LVDP4
LVDP3
LVDP2
LVDP1
LVDP0
LVDPHP
LVDP15
LVDP14
LVDP13
LVDP12
DRVINT_2
ACTLED#2
DLYD_START2RMT_START2
DRV2_ID1DRV2_ID0
DRV2_ID3DRV2_ID2
open
ground
open
DIFF_SENSE 4,6,7,8
LVDP11 4,6,7,8
LVDP10 4,6,7,8
LVDP9 4,6,7,8
LVDP8 4,6,7,8
LVDIOP 4,6,7,8
LVDREQP 4,6,7,8
LVDCDP 4,6,7,8
LVDSELP 4,6,7,8
LVDMSGP 4,6,7,8
LVDRSTP 4,6,7,8
LVDACKP 4,6,7,8
LVDBSYP 4,6,7,8
LVDATNP 4,6,7,8
LVDPLP 4,6,7,8
LVDP7 4,6,7,8
LVDP6 4,6,7,8
LVDP5 4,6,7,8
LVDP4 4,6,7,8
LVDP3 4,6,7,8
LVDP2 4,6,7,8
LVDP1 4,6,7,8
LVDP0 4,6,7,8
LVDPHP 4,6,7,8
LVDP15 4,6,7,8
LVDP14 4,6,7,8
LVDP13 4,6,7,8
LVDP12 4,6,7,8
ACTLED#2 3
DLYD_START2 4RMT_START24
Motor spins up at D.C. power on.
Motor spins up only when START
UNIT command is received.
Moror spins up at D.C. power on
after a delay in seconds 12
times the value of the numeric
SEL_ID for the SCSI device.
+12V2
+12V1
+5V2
U8
8
D1
7
D1
6
D2
5
D2
CEM4953S
U9
8
D1
7
D2
6
D3
5
D4
SI9424DY
SCSI ID# ID0 ID1 ID2 ID3
0 Open Open Open Open
1 GND Open Open Open
2 Open GND
3
4
5
6
7
8
9
10
11
12
13
14
15
S1
G1
S2
G2
S1
S2
S3
G1
GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open
GND GND GND
Open
GND GND GND GND
1
2
3
4
1
2
3
4
DRVEN2
DRVEN1
DRVEN2
Open Open
Open Open
GND
Open Open
GND GND
Open Open
GND GND
Open
GND GND GND
+12V
+5V
Open
GND
Open
GND GND
DRVEN1 3,4
DRVEN2DRVINT_2
YSCSI80-P
4
DRVEN2 3,4
+5V2+12V2
R21
10K
To simulate load on SCA2 power off
(To avoid floating)
3
R22
10K
EC7
+
10u/16V-TANT
R200 0
R201 X_0
R202 X_0
R203 X_0
+12V2+5V2
EC8
+
10u/25V-TANT
2
DRV2_ID0
DRV2_ID1
DRV2_ID2
DRV2_ID3
Title
MS-95A5 SCSI BACKPLANE
Size Document Number Rev
B
Date: Sheet
SCA CONNECTOR 10A
58Friday, November 21, 2003
1
of
5
DRV2_ID[0..3]
C8
105p
+5V
14
1 2
7
U1A
7407-SOIC14
DRV2_ID[0..3]
DRVINT_24
A A
Page 6
5
CASE DLYD_START RMT_START Motor Spin Function
1
2
D D
3
4
open
open
ground
open
ground
open
3
Motor spins up at D.C. power on.
Motor spins up only when START
UNIT command is received.
Moror spins up at D.C. power on
after a delay in seconds 12
times the value of the numeric
SEL_ID for the SCSI device.
2
SCSI ID# ID0 ID1 ID2 ID3
0 Open Open Open Open
1 GND Open Open Open
2 Open GND
3
4
5
6
7
8
9
10
11
12
13
14
15
GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open
GND GND GND
Open
GND GND GND GND
1
Open Open
Open Open
GND
Open Open
GND GND
Open Open
GND GND
Open
GND GND GND
Open
GND
Open
GND GND
+12V3
LVDM114,5,7,8
LVDM104,5,7,8
C C
B B
A A
+5V3
DRV3_ID[0..3]
5
SPINDLE_SYNC24
DRV3_ID[0..3]
DRVINT_3
LVDIOM4,5,7,8
LVDREQM4,5,7,8
LVDCDM4,5,7,8
LVDSELM4,5,7,8
LVDMSGM4,5,7,8
LVDRSTM4,5,7,8
LVDACKM4,5,7,8
LVSBSYM4,5,7,8
LVDATNM4,5,7,8
LVDPLM4,5,7,8
LVDPHM4,5,7,8
LVDM154,5,7,8
LVDM144,5,7,8
LVDM134,5,7,8
LVDM124,5,7,8
LVDM11
LVDM10
LVDM9
LVDM94,5,7,8
LVDM8
LVDM84,5,7,8
LVDIOM
LVDREQM
LVDCDM
LVDSELM
LVDMSGM
LVDRSTM
LVDACKM
LVDBSYM
LVDATNM
LVDPLM
LVDM7
LVDM74,5,7,8
LVDM6
LVDM64,5,7,8 LVDP6 4,5,7,8
LVDM5
LVDM54,5,7,8
LVDM4
LVDM44,5,7,8
LVDM3
LVDM34,5,7,8
LVDM2
LVDM24,5,7,8
LVDM1
LVDM14,5,7,8
LVDM0
LVDM04,5,7,8
LVDPHM
LVDM15
LVDM14
LVDM13
LVDM12
SPINDLE_SYNC2
DRV3_ID0
DRV3_ID2
+5V
14
9 8
7
C9
105p
SCA3
1
+12V CHARGE(L)
2
+12V(S)
3
+12V(S)
4
+12V(S)
5
OPT 3.3V(S)
6
OPT 3.3V(S)
7
-DB11
8
-DB10
9
-DB9
10
-DB8
11
-I/O
12
-REQ
13
-C/D
14
-SEL
15
-MSG
16
-RST
17
-ACK
18
-BSY
19
-ATN
20
-DB(P0)
21
-DB7
22
-DB6
23
-DB5
24
-DB4
25
-DB3
26
-DB2
27
-DB1
28
-DB0
29
-DB(P1)
30
-DB15
31
-DB14
32
-DB13
33
-DB12
34
+5V(S)
35
+5V(S)
36
+5V CHARGE(L)
37
SPINDLE_SYNC
38
RMT_START
39
-SCSI ID(0)
40
-SCSI ID(2)
YSCSI80-P
U1D
7407-SOIC14
DRVEN3
4
+12V GND(L)
+12V GND(L)
+12V GND(L)
MATED 1#
OPT 3.3V CHARGE(L)
DIFFSNS(L)
GND/+DB11
GND/+DB10
GND/+DB9
GND/+DB8
GND/+IO
GND/+REQ
GND/+CD
GND/+SEL
GND/+MSG
GND/+RST
GND/+ACK
GND/+BSY
GND/+ATN
GND/+DB(P0)
GND/+DB7
GND/+DB6
GND/+DB5
GND/+DB4
GND/+DB3
GND/+DB2
GND/+DB1
GND/+DB0
GND/+DB(P1)
GND/+DB15
GND/+DB14
GND/+DB13
GND/+DB12
MATED 2#
+5V GND(L)
+5V GND(L)
ACTIVED LED OUT
DLYD_START(L)
-SCSI ID (1)
-SCSI ID (3)
DRVEN3 3,4,7DRVINT_34
41
42
43
DRVINT_3
44
45
DIFF_SENSE
46
LVDP11
47
LVDP10
48
LVDP9
49
LVDP8
50
LVDIOP
51
LVDREQP
52
LVDCDP
53
LVDSELP
54
LVDMSGP
55
LVDRSTP
56
LVDACKP
57
LVDBSYP
58
LVDATNP
59
LVDPLP
60
LVDP7
61
LVDP6
62
LVDP5
63
LVDP4
64
LVDP3
65
LVDP2
66
LVDP1
67
LVDP0
68
LVDPHP
69
LVDP15
70
LVDP14
71
LVDP13
72
LVDP12
73
DRVINT_3
74
75
76
ACTLED#3
77
DLYD_START3RMT_START3
78
DRV3_ID1
79
DRV3_ID3
80
10K
To simulate load on SCA2 power off
(To avoid floating)
+12V3
R23
3
DIFF_SENSE 4,5,7,8
LVDP11 4,5,7,8
LVDP10 4,5,7,8
LVDP9 4,5,7,8
LVDP8 4,5,7,8
LVDIOP 4,5,7,8
LVDREQP 4,5,7,8
LVDCDP 4,5,7,8
LVDSELP 4,5,7,8
LVDMSGP 4,5,7,8
LVDRSTP 4,5,7,8
LVDACKP 4,5,7,8
LVDBSYP 4,5,7,8
LVDATNP 4,5,7,8
LVDPLP 4,5,7,8
LVDP7 4,5,7,8
LVDP5 4,5,7,8
LVDP4 4,5,7,8
LVDP3 4,5,7,8
LVDP2 4,5,7,8
LVDP1 4,5,7,8
LVDP0 4,5,7,8
LVDPHP 4,5,7,8
LVDP15 4,5,7,8
LVDP14 4,5,7,8
LVDP13 4,5,7,8
LVDP12 4,5,7,8
ACTLED#3 3
DLYD_START3 4RMT_START34
+5V3
R24
10K
+5V3
+
+5V3
EC9
10u/16V-TANT
+12V3
+
2
U11
8
D1
7
D2
6
D3
5
D4
SI9424DY
EC10
10u/25V-TANT
R300 X_0
R301 0
R302 X_0
R303 X_0
S1
S2
S3
G1
Title
Size Document Number Rev
B
Date: Sheet
DRV3_ID0
DRV3_ID1
DRV3_ID2
DRV3_ID3
+5V
1
2
3
DRVEN3
4
MS-95A5 SCSI BACKPLANE
SCA CONNECTOR 10A
of
68Friday, November 21, 2003
1
Page 7
5
4
3
2
1
CASE DLYD_START RMT_START Motor Spin Function
1
2
D D
+12V4
1
+12V CHARGE(L)
2
+12V(S)
3
+12V(S)
4
+12V(S)
5
OPT 3.3V(S)
6
LVDM114,5,6,8
LVDM104,5,6,8
LVDIOM4,5,6,8
LVDREQM4,5,6,8
LVDCDM4,5,6,8
C C
+5V4
B B
LVDSELM4,5,6,8
LVDMSGM4,5,6,8
LVDRSTM4,5,6,8
LVDACKM4,5,6,8
LVSBSYM4,5,6,8
LVDATNM4,5,6,8
LVDPLM4,5,6,8
LVDPHM4,5,6,8
LVDM154,5,6,8
LVDM144,5,6,8
LVDM134,5,6,8
LVDM124,5,6,8
SPINDLE_SYNC34
LVDM11
LVDM10
LVDM9
LVDM94,5,6,8
LVDM8
LVDM84,5,6,8
LVDIOM
LVDREQM
LVDCDM LVDCDP
LVDSELM
LVDMSGM
LVDRSTM
LVDACKM
LVDBSYM
LVDATNM
LVDPLM
LVDM7
LVDM74,5,6,8
LVDM6
LVDM64,5,6,8
LVDM5
LVDM54,5,6,8
LVDM4
LVDM44,5,6,8
LVDM3
LVDM34,5,6,8
LVDM24,5,6,8
LVDM1
LVDM14,5,6,8
LVDM0
LVDM04,5,6,8
LVDPHM
LVDM15
LVDM14
LVDM13
LVDM12
SPINDLE_SYNC3
OPT 3.3V(S)
7
-DB11
8
-DB10
9
-DB9
10
-DB8
11
-I/O
12
-REQ
13
-C/D
14
-SEL
15
-MSG
16
-RST
17
-ACK
18
-BSY
19
-ATN
20
-DB(P0)
21
-DB7
22
-DB6
23
-DB5
24
-DB4
25
-DB3
26
-DB2
27
-DB1
28
-DB0
29
-DB(P1)
30
-DB15
31
-DB14
32
-DB13
33
-DB12
34
+5V(S)
35
+5V(S)
36
+5V CHARGE(L)
37
SPINDLE_SYNC
38
RMT_START
39
-SCSI ID(0)
40
-SCSI ID(2)
3
SCA4
open
open
ground
OPT 3.3V CHARGE(L)
ACTIVED LED OUT
open
ground
open
+12V GND(L)
+12V GND(L)
+12V GND(L)
MATED 1#
DIFFSNS(L)
GND/+DB11
GND/+DB10
GND/+DB9
GND/+DB8
GND/+IO
GND/+REQ
GND/+CD
GND/+SEL
GND/+MSG
GND/+RST
GND/+ACK
GND/+BSY
GND/+ATN
GND/+DB(P0)
GND/+DB7
GND/+DB6
GND/+DB5
GND/+DB4
GND/+DB3
GND/+DB2
GND/+DB1
GND/+DB0
GND/+DB(P1)
GND/+DB15
GND/+DB14
GND/+DB13
GND/+DB12
MATED 2#
+5V GND(L)
+5V GND(L)
DLYD_START(L)
-SCSI ID (1)
-SCSI ID (3)
Motor spins up at D.C. power on.
Motor spins up only when START
UNIT command is received.
Moror spins up at D.C. power on
after a delay in seconds 12
times the value of the numeric
SEL_ID for the SCSI device.
41
42
43
DRVINT_4
44
45
DIFF_SENSE
46
LVDP11
47
LVDP10
48
LVDP9
49
LVDP8
50
LVDIOP
51
LVDREQP
52
53
LVDSELP
54
LVDMSGP
55
LVDRSTP
56
LVDACKP
57
LVDBSYP
58
LVDATNP
59
LVDPLP
60
LVDP7
61
LVDP6
62
LVDP5
63
LVDP4
64
LVDP3
65
LVDP2LVDM2
66
LVDP1
67
LVDP0
68
LVDPHP
69
LVDP15
70
LVDP14
71
LVDP13
72
LVDP12
73
DRVINT_4
74
75
76
ACTLED#4
77
DLYD_START4RMT_START4
78
DRV4_ID1DRV4_ID0
79
DRV4_ID3DRV4_ID2
80
DIFF_SENSE 4,5,6,8
LVDP11 4,5,6,8
LVDP10 4,5,6,8
LVDP9 4,5,6,8
LVDP8 4,5,6,8
LVDIOP 4,5,6,8
LVDREQP 4,5,6,8
LVDCDP 4,5,6,8
LVDSELP 4,5,6,8
LVDMSGP 4,5,6,8
LVDRSTP 4,5,6,8
LVDACKP 4,5,6,8
LVDBSYP 4,5,6,8
LVDATNP 4,5,6,8
LVDPLP 4,5,6,8
LVDP7 4,5,6,8
LVDP6 4,5,6,8
LVDP5 4,5,6,8
LVDP4 4,5,6,8
LVDP3 4,5,6,8
LVDP2 4,5,6,8
LVDP1 4,5,6,8
LVDP0 4,5,6,8
LVDPHP 4,5,6,8
LVDP15 4,5,6,8
LVDP14 4,5,6,8
LVDP13 4,5,6,8
LVDP12 4,5,6,8
ACTLED#4 3
DLYD_START4 4RMT_START44
+12V4
+12V3
+5V4
U12
8
D1
7
D1
6
D2
5
D2
CEM4953S
U13
8
D1
7
D2
6
D3
5
D4
SI9424DY
SCSI ID# ID0 ID1 ID2 ID3
0 Open Open Open Open
1 GND Open Open Open
2 Open GND
3
4
5
6
7
8
9
10
11
12
13
14
15
1
S1
G1
S2
G2
S1
S2
S3
G1
DRVEN4
2
3
DRVEN3
4
1
2
3
4
GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open Open
GND GND
Open Open
GND GND GND
Open Open
GND GND GND
Open
GND GND GND GND
DRVEN4
Open Open
Open Open
GND
Open Open
GND GND
Open Open
GND GND
Open
GND GND
Open
GND GND GND
+12V
DRVEN3 3,4,6
+5V
Open
GND
YSCSI80-P
R400 0
R401 0
R402 X_0
R403 X_0
+12V4+5V4
EC12
+
10u/25V-TANT
2
DRVINT_4
5
DRV4_ID[0..3]
C10
105p
+5V
14
5 6
7
U1C
7407-SOIC14
DRVEN4
DRVEN4 3,4DRVINT_44
+5V4+12V4
R25
10K
To simulate load on SCA2 power off
(To avoid floating)
4
R26
10K
EC11
+
10u/16V-TANT
3
DRV4_ID[0..3]
A A
DRV4_ID0
DRV4_ID1
DRV4_ID2
DRV4_ID3
Title
MS-95A5 SCSI BACKPLANE
Size Document Number Rev
B
Date: Sheet
SCA CONNECTOR 10A
78Friday, November 21, 2003
1
of
Page 8
5
4
3
2
1
NOTE 1 : PLACE CAPACITOR CLOSE TO TERMINATOR
U14
16
D D
LVDP124,5,6,7
LVDP134,5,6,7
LVDP144,5,6,7
LVDP154,5,6,7
LVDPHP4,5,6,7
LVDPLP4,5,6,7
DIFF_SENSE4,5,6,7
EC13
10u/16V-TANT
+
C C
LVDATNP4,5,6,7
LVDBSYP4,5,6,7
LVDACKP4,5,6,7
LVDRSTP4,5,6,7
LVDMSGP4,5,6,7
LVDSELP4,5,6,7
LVDCDP4,5,6,7
LVDREQP4,5,6,7
LVDIOP4,5,6,7
LVDP104,5,6,7
LVDP114,5,6,7
LVDP12
LVDP13
LVDP14
LVDP15
LVDPHP
LVDP0
LVDP04,5,6,7
LVDP1
LVDP14,5,6,7
LVDP2
LVDP24,5,6,7
LVDP3
LVDP34,5,6,7
LVDP4
LVDP44,5,6,7
LVDP5
LVDP54,5,6,7
LVDP6
LVDP64,5,6,7
LVDP7
LVDP74,5,6,7
LVDPLP
DIFF_SENSE
LVDATNP
LVDBSYP
LVDACKP
LVDRSTP
LVDMSGP
LVDSELP
LVDCDP
LVDREQP
LVDIOP
LVDP8
LVDP84,5,6,7
LVDP9
LVDP94,5,6,7
LVDP10
LVDP11
SCSI1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
61
61
62
62
63
63
64
64
65
65
66
66
67
67
68
68
LVDM12
LVDM13
LVDM14
LVDM15
LVDPHM
LVDM0
LVDM1
LVDM2
LVDM3
LVDM4
LVDM5
LVDM6
LVDM7
LVDPLM
TRMPWRTRMPWR
LVDATNM
LVDBSYM
LVDACKM
LVDRSTM
LVDMSGM
LVDSELM
LVDCDM
LVDREQM
LVDIOM
LVDM8
LVDM9
LVDM10
LVDM11
LVDM12 4,5,6,7
LVDM13 4,5,6,7
LVDM14 4,5,6,7
LVDM15 4,5,6,7
LVDPHM 4,5,6,7
LVDM0 4,5,6,7
LVDM1 4,5,6,7
LVDM2 4,5,6,7
LVDM3 4,5,6,7
LVDM4 4,5,6,7
LVDM5 4,5,6,7
LVDM6 4,5,6,7
LVDM7 4,5,6,7
LVDPLM 4,5,6,7
LVDATNM 4,5,6,7
LVSBSYM 4,5,6,7
LVDACKM 4,5,6,7
LVDRSTM 4,5,6,7
LVDMSGM 4,5,6,7
LVDSELM 4,5,6,7
LVDCDM 4,5,6,7
LVDREQM 4,5,6,7
LVDIOM 4,5,6,7
LVDM8 4,5,6,7
LVDM9 4,5,6,7
LVDM10 4,5,6,7
LVDM11 4,5,6,7
DIFF_SENSE4,5,6,7
LVDPLP4,5,6,7
LVDRSTP4,5,6,7
LVDACKP4,5,6,7
LVDBSYP4,5,6,7
LVDATNP4,5,6,7
LVDMSGP4,5,6,7
LVDSELP4,5,6,7
LVDCDP4,5,6,7
LVDREQP4,5,6,7
LVDIOP4,5,6,7
LVDP114,5,6,7
LVDP104,5,6,7
LVDP44,5,6,7
LVDP54,5,6,7
LVDP64,5,6,7
LVDP74,5,6,7
DIFF_SENSE
LVDP94,5,6,7
LVDP84,5,6,7
LVDP4
LVDP5
LVDP6
LVDP7
LVDPLP
LVDRSTP
LVDACKP
LVDBSYP
LVDATNP
LVDMSGP
LVDSELP
LVDCDP
LVDREQP
LVDIOP
LVDP11
LVDP10
LVDP9
LVDP8
20K
R27
YSCSI68-P
+5V
STPWCTL HIGH: TERM DISABLE
STPWCTL LOW: TERM ENABLE
R29
B B
X_10K
2
4
7
9
11
18
20
23
25
17
22
6
14
16
2
4
7
9
11
18
20
23
25
17
22
6
14
DIFFSENSE
+R1
+R2
+R3
+R4
+R5
+R6
+R7
+R8
+R9
DIFF_CAP
HSGND2
HSGND1
GND
DS2119M
U15
DIFFSENSE
+R1
+R2
+R3
+R4
+R5
+R6
+R7
+R8
+R9
DIFF_CAP
HSGND2
HSGND1
GND
MSTR/SLV
MSTR/SLV
TPWR
TPWR
-R1
-R2
-R3
-R4
-R5
-R6
-R7
-R8
-R9
ISO
VREF
TPWR
TPWR
-R1
-R2
-R3
-R4
-R5
-R6
-R7
-R8
-R9
ISO
VREF
28
27
3
5
8
10
12
19
21
24
26
13
15
1
TRMPWR
28
27
3
5
8
10
12
19
21
24
26
13
15
1
TRMPWR
C11 104p
25MIL
NOTE1
C12
104p
C14 104p
25MIL
NOTE1
C15
104p
LVDM4
LVDM5
LVDM6
LVDM7
LVDPLM
LVDRSTM
LVDACKM
LVDBSYM
LVDATNM
C13
475p/0805
LVDMSGM
LVDSELM
LVDCDM
LVDREQM
LVDIOM
LVDM11
LVDM10
LVDM9
LVDM8
C16
475p/0805
R28 10K
LVDM4 4,5,6,7
LVDM5 4,5,6,7
LVDM6 4,5,6,7
LVDM7 4,5,6,7
LVDPLM 4,5,6,7
LVDRSTM 4,5,6,7
LVDACKM 4,5,6,7
LVSBSYM 4,5,6,7
LVDATNM 4,5,6,7
LVDMSGM 4,5,6,7
LVDSELM 4,5,6,7
LVDCDM 4,5,6,7
LVDREQM 4,5,6,7
LVDIOM 4,5,6,7
LVDM11 4,5,6,7
LVDM10 4,5,6,7
LVDM9 4,5,6,7
LVDM8 4,5,6,7
TRMPWR
DS2119M
R30
0
LVDP124,5,6,7
LVDP134,5,6,7
LVDP144,5,6,7
LVDP154,5,6,7
LVDPHP4,5,6,7
LVDP34,5,6,7
LVDP24,5,6,7
LVDP14,5,6,7
LVDP04,5,6,7
LVDP12
LVDP13
LVDP14
LVDP15
LVDPHP
LVDP3
LVDP2
LVDP1
LVDP0
+5V +12V
A A
EC14
+
10u/16V-TANT
EC15
+
10u/25V-TANT
C18
104p
16
2
4
7
9
11
18
20
23
25
17
22
6
14
U16
DIFFSENSE
+R1
+R2
+R3
+R4
+R5
+R6
+R7
+R8
+R9
DIFF_CAP
HSGND2
HSGND1
GND
TPWR
TPWR
-R1
-R2
-R3
-R4
-R5
-R6
-R7
-R8
-R9
ISO
MSTR/SLV
VREF
28
27
3
5
8
10
12
19
21
24
26
13
15
1
DS2119M
5
4
3
TRMPWR
C19
104p
C17 104p
NOTE1
475p/0805
2
25MIL
C20
LVDM12
LVDM13
LVDM14
LVDM15
LVDPHM
LVDM3
LVDM2
LVDM1
LVDM0
Title
MS-95A5 SCSI BACKPLANE
Size Document Number Rev
B
Date: Sheet
LVDM12 4,5,6,7
LVDM13 4,5,6,7
LVDM14 4,5,6,7
LVDM15 4,5,6,7
LVDPHM 4,5,6,7
LVDM3 4,5,6,7
LVDM2 4,5,6,7
LVDM1 4,5,6,7
LVDM0 4,5,6,7
SCSI LVD CONNECTOR 10A
88Friday, November 21, 2003
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