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ST-1102A and ST1102A-32
---PWA-----------------------------------------------------
+....................+ /---------\
...................1 | O O O O |
1 o o 2 --------+ + Cable Connector +-5-G-G-12+
3 o o 4 ------+ |
5 o o 6 ----+ | |
7 o o 8 --+ | | |
9 o o 10 + | | | | 1=closed 0=open
| | | | +-- Life-Test (Factory use)
| | | +---- Master on (Slave off) ---- 1 1 0
| | +------ Slave Present ------------ 0 1 0
| +-------- Reserved
+---------- Remote LED S M S
i a l
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ST-1102A
UNFORMATTED CAPACITY (MB) ________________N/A
FORMATTED CAPACITY (xx/17 SECTORS) (MB) __89.1
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________10,240
CYLINDERS __PHYSICAL/LOGICAL______________NA/1,024
HEADS ______PHYSICAL/LOGICAL______________5/10
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (2,7)
TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12
SPINDLE SPEED (RPM) ______________________3,528
AVERAGE LATENCY (mSEC) ___________________8.5
BUFFER ___________________________________8 or 32 Kbyte
Read Look-Ahead, Non-Adaptive,
Single-Segmented Buffer
INTERFACE ________________________________AT BUS
SECTORS PER DRIVE ________________________174,080
TPI (TRACKS PER INCH) ____________________1,300
BPI (BITS PER INCH) ______________________21,600
AVERAGE ACCESS (ms) ______________________19
SINGLE TRACK SEEK (ms) ___________________8
MAX FULL SEEK (ms) _______________________40
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.7
+5V START-UP (amps) __0.63
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______8
MAXIMUM (watts) ______
BUFFERED STEP PULSE RATE (micro sec) _____
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________*
* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.
Translation to use: 1024 cyl, 10 heads, 17 sectors = 89,128,960
Note: A "custom" or "user-definded" CMOS drivetype may ask for a
numerical value for the Write Precompensation cylinder and for the
Landing Zone cylinder. A basic rule-of-thumb for drive models that do
not require the old Write Precomp technique or a Landing Zone because
they are Auto-Parking is to add 1 to the cylinder value being used. As
an example: If cylinders equaled 820, then both Write Precomp and
Landing Zone would be entered as 821. Some BIOS will convert this to
65535 or -1, which are functionally equivalent to "none (not used)".
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track
Already low-level formatted at the factory.
Since a User-definable or Custom translation geometry may be used, it
is imperative that the values be written down and kept with your
permanent records for retrieval in the event of CMOS battery failure.
Seagate reserves the right to change, without notice, product
offerings or specifications. |