Hitachi DK23BA-20 Owners Manual - Page 21

Attention for HDD Installation, 3 Device Address Setting DRIVE 0/DRIVE 1

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4.2.3 Attention for HDD Installation Caution (1) In case of steel plate installation on HDD cover side, the spacing between HDD cover and steel plate should be kept more than 2 mm. If this spacing is not sheet kept for the steel plate, it may affect Load/Unload mechanism. (2) The PCBA side of the drive should be covered with insulation sheet if the active metal of host system may contact to the PCBA of the drive. If the insulation is not provided for the possible contact of the live metal, failures may occur. (3) Do not push the bottom PCBA. It may cause catastrophic failures. More than 2 mm Steel Plate HDD Cover Insulation sheet PCBA 4.3 Device Address Setting (DRIVE 0/DRIVE 1) When the device is connected to the host bus, Device address setting is necessary to configure a device as DRIVE 0 or DRIVE 1. The device address setting is established between drives on the interface connector by using jumper 0-2 (pin # A, B, D) The DRIVE 0 is assigned to device address 0, and the DRIVE 1 is assigned to device address 1. 1) DRIVE 0 (or single) 43 5 31 O O O O O O O O 44 642 CA O O O O DB If all of pins A,B, D are open, the drive is DRIVE 0(or single). 2) DRIVE 1 43 5 31 O O O O O O O O 44 642 CA O O O O DB If jumper Position A-B is used, the drive is DRIVE 1. 3) CSEL Selection 43 5 31 O O O O O O O O 44 642 CA O O O O DB K6610007 Rev.5 02.14.'03 If jumper Position B-D is used, DRIVE 0 or DRIVE 1 setting is determined by the condition of CSEL signal (pin# 28). (Recommended type of jumper socket) Vender: IRISO ELECTRONICS CO., LTD. Vender Part Number: 9721HJ-GF - 21 -

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K6610007
Rev.5
02.14.’03
- 21 -
4.2.3 Attention for HDD Installation
(1)
In case of steel plate installation on HDD cover side, the spacing between
HDD cover and steel plate should be kept more than 2 mm. If this spacing is not
kept for the steel plate, it may affect Load/Unload mechanism.
(2)
The PCBA side of the drive should be covered with insulation sheet if the active
metal of host system may contact to the PCBA of the drive. If the insulation
sheet
is not provided for the possible contact of the live metal, failures may occur.
(3)
Do not push the bottom PCBA. It may cause catastrophic failures.
4.3 Device Address Setting (DRIVE 0/DRIVE 1)
When the device is connected to the host bus, Device address setting is necessary to configure
a device as DRIVE 0 or DRIVE 1. The device address setting is established between drives on
the interface connector by using jumper 0-2 (pin # A, B, D)
The DRIVE 0 is assigned to device address 0, and the DRIVE 1 is assigned to device address 1.
O - - - - - - - - O O O
O O
O - - - - - - - - O O O
O O
43
531
CA
44
642
DB
O - - - - - - - - O O O
O O
O - - - - - - - - O O O
O O
43
53
1
CA
44
642
DB
O - - - - - - - - O O O
O O
O - - - - - - - - O O O
O O
43
531
CA
44
642
DB
1) DRIVE 0 (or single)
2) DRIVE 1
3) CSEL Selection
If all of pins A,B, D are open, the drive is
DRIVE 0(or single).
If jumper Position A-B is used, the drive is
DRIVE 1.
If jumper Position B-D is used, DRIVE 0 or
DRIVE 1 setting is determined by the condition of
CSEL signal (pin# 28).
Caution
Steel Plate
HDD Cover
2 mm
PCBA
More than
Insulation sheet
(Recommended type of jumper socket)
Vender: IRISO ELECTRONICS CO., LTD.
Vender Part Number: 9721HJ-GF