|
| |
ST-1239NS (94351-230S) Swift SCSI
+---\
| 0 | 5
| 0 | G
| 0 | G
| 0 | 12 .................... o o o o o o
+---/ 1................... o o o o o o
----+------+-+------+-+------+--------------
1------+ 1------+ 1------+ 1 2 4 | | |
Terminator Resistors --+-- | | |
| | | | Terminator Power Select
Drive ID, binary - use +---+ | | | Header located on the side
ID 0 (no jumpers) for | | | | --------------------------
single drive install + | | | (Back) A B (Front of drive)
Enable Parity Checking --------+ | | C D
Enable Motor Start Option ----------+ | --+----------P-W-A
Synchronized Spindle ------------+ |
|
+-----------------------------------------+
-+-
A-B Drive from Power Connector (factory default)
A-C Drive from SCSI Bus
A-C&B-D Drive from Power Connector and Provide to SCSI Bus
B-D Only provide to SCSI Bus
Swift with Shrouded SCSI Connector
+---\
| 0 | 5 +- If the SCSI connector has a plastic shroud,
| 0 | G | note pin-1 on cable and T-res.
| 0 | G |
| 0 | 12 +--------------------+ o o o o o o
+---/ |:::::::::::::::::::1| o o o o o o
----+------+-+------+-+------+--------------
+------1 +------1 +------1 1 2 4 | | |
Terminator Resistors --+-- | | |
| | | | Terminator Power Select
Drive ID, binary - use +---+ | | | Header located on the side
ID 0 (no jumpers) for | | | | --------------------------
single drive install + | | | (Back) A B (Front of drive)
Enable Parity Checking --------+ | | C D
Enable Motor Start Option ----------+ | --+----------P-W-A
Synchronized Spindle ------------+ |
|
+-----------------------------------------+
-+-
A-B Drive from Power Connector (factory default)
A-C Drive from SCSI Bus
A-C&B-D Drive from Power Connector and Provide to SCSI Bus
B-D Only provide to SCSI Bus
ST-1239NS
94351-230S Swift
UNFORMATTED CAPACITY (MB) ________________239
FORMATTED CAPACITY (36 SECTORS/1 SPARED)__204.2
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________11,412
CYLINDERS ________________________________1,268
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (2,7)
TRANSFER RATE (mbytes/sec) _______________1.25
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________32 or 64 Kbyte
Read Look-Ahead, Non-Adaptive,
Single-Segmented
INTERFACE ________________________________SCSI
SECTORS PER DRIVE ________________________398,790
TPI (TRACKS PER INCH) ____________________1,543
BPI (BITS PER INCH) ______________________30,000 max
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________4
MAX FULL SEEK (ms) _______________________35
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.5
+12V TYPICAL (amps) __0.7
+5V START-UP (amps) __0.75
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______11
MAXIMUM (watts) ______34
BUFFERED STEP PULSE RATE (micro sec) _____6-200
WRITE PRECOMP (cyl) ______________________N/A (1269)
REDUCED WRITE CURRENT (cyl) ______________N/A (1269)
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory.
Swift Remote LED Option
Front View of Drive Without the Plastic Bezel
+---+---+
| A | B | B = Anode
+---+---+ D = Cathode
| C | D |
...-----------------+---+---+-----P-W-A---...
ø Default jumper at C-D for LED mounted on drive PWA
ø To use remote LED, remove jumper and extend B (Anode)
and D (Cathode).
ø Swift LED kit 75912397 allows connection to a remote LED
ø Swift LED kit 95913369 has an LED for attachment to the
system front bezel or a 5.25-inch frame kit
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |