6.3
LED Circuit
Jumper pin #1 and #2 are used to drive an external LED.
Instead of the the jumper pins, the following pins can be used to drive LED.
68-Pin Model : Auxiliary Connector Pin #8 and #11.
80-Pin Model : SCA-2 Connector Pin #77 as shown in 6.3.3, “80-Pin Model” on page 35.
The schematics of L E D circuit on each model are as follows.
6.3.1 50-Pin Model
D C A S
Ä
3 4 3 3 / D C A S
Ä
3 2 1 6 0 5 0
Ä
P i n M o d e l
+ 5 V
o
³
³
>
< 6 2 0 O h m
>
³
³
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄ
o J u m p e r P i n # 1 f o r L E D A n o d e
ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ
o J u m p e r P i n # 2 f o r L E D C a t h o d
³
/
ÄÄÄ´
³
\
ÀÄÄÄÄ¿
³
³
ÄÄÁÄÄ
/ / /
Figure 25. L E D Circuit of 50-Pin Model
Specification
33
Содержание DCAS-32160 - Ultrastar 2.1 GB Hard Drive
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Страница 19: ...Part 1 Functional Specification Copyright IBM Corp 1996 5...
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Страница 56: ...6 7 1 2 68 pin Model Figure 35 Outline of 68 pin Model 42 OEM Spec of DCAS 34330 32160...
Страница 57: ...6 7 1 3 80 pin Model Figure 36 Outline of 80 pin Model Specification 43...
Страница 59: ...6 7 3 Interface Connector 6 7 3 1 50 pin Model Figure 39 Interface Connector 50 pin Model Specification 45...
Страница 60: ...6 7 3 2 68 pin Model Figure 40 Interface Connector 68 pin Model 46 OEM Spec of DCAS 34330 32160...
Страница 61: ...6 7 3 3 80 pin Model Figure 41 Interface Connector 80 pin Model Specification 47...
Страница 62: ...6 7 4 Mounting Positions and Tappings Figure 42 Mounting Positions and Tappings 48 OEM Spec of DCAS 34330 32160...
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Страница 71: ...Part 2 SCSI Interface Specification Copyright IBM Corp 1996 57...
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Страница 232: ...IBML Part Number 73H7993 Published in Japan S73H 7993 03...