Barracuda 9LP
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Capacity:
Speed:
Average Read Time:
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4.55 GB
7200 rpm
7.4 ms |
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ST-34573N Ultra-SCSI (Barracuda 9LP)
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� REAR VIEW � (ST-34573N)
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50 pin I/O Cable Connection
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J1�������������������������1� /���������\ TOP (HDA)
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� SIDE VIEW � (ST-34573N)
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FRONT TOP (HDA) J2 87654321 �
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DRIVE BOTTOM :::::::: �;
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Enable T-Res (N model only) ٳ������ Terminator Power�
Start Delay (12 secs * ID) �ٳ����� Terminator Powerÿ
Motor Start ��ٳ���� Reserved �
Write Protect �������� Parity Disable �
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� Termination Power-source Table ��������������������
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� 2 1 2 1 2 1 �
� A Drive Supplies Bus �ķ �ķ �
� B Drive Supplies Own �� ��� ���� �
� C Bus Supplies Drive ��� ��� ���� �
� A+B is valid A B C �
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� FRONT VIEW � (ST-34573N)
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��ĴReserved. Shipped with cover installed.
� �Do not remove. Do not install jumpers
TOP (HDA) ���� 1
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* BOTTOM ����;123456
� J6 ������
LED �� ������
Remote LED ٳ���� ID 1
(pin-11 +5v) ����� ID 2
Reserved ������ ID 4
ST-34573N
FORMATTED CAPACITY (GB) __________________4.551
AVERAGE SECTORS PER TRACK ________________237 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________37,505
CYLINDERS ________________________________7,501 user
HEADS ______PHYSICAL______________________5
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM/MR
RECORDING METHOD _________________________EPR4 16/17
INTERNAL TRANSFER RATE (mbits/sec)________120 to 190
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________7,200
AVERAGE LATENCY (mSEC) ___________________4.17
BUFFER (/optional)________________________512/1024 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________Ultra SCSI
ASA II, SCAM level 2 (1 default)
BYTES PER TRACK __________________________155,000 average
SECTORS PER DRIVE ________________________8,888,924
TPI (TRACKS PER INCH) ____________________8,250
BPI (PEAK KBITS PER INCH) ________________180
AVERAGE ACCESS (ms read/write)____________7.4/8.2
Drive level with controller overhead
SINGLE TRACK SEEK (ms read/write) ________1.1/1.4
MAX FULL SEEK (ms read/write) ____________16/18
MTBF (power-on hours) ____________________1,000,000
SHOCK (G's, 11/2 ms):
operating (Read/Write) __________5
abnormal ________________________10
nonoperating ____________________75/135
ACOUSTICS (Bels typical, sound power) ____4.2
POWER DISSIPATION (watts/BTUs) Active ____16.05/54.8
Idle ______9.75/33.3
POWER REQUIREMENTS: +12V START-UP (amps) _1.7
+12V TYPICAL (amps) __0.5 idle
+5V START-UP (amps) __1.2
+5V TYPICAL (amps) ___0.75 idle
IDLE (watts) _________10
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.0/25.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.47/146
Weight (lbs/kg): 1.3/0.589
Already low-level formatted at the factory with x spare sectors at
the end of each x cylinder region.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (04/15/98)
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