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Odd characters? Click here for help. A
version of this specification with the linedraw characters
approximated by text is available by clicking here.
SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1991
ST-1111N (94351-111) Swift SCSI
ÚÄÄÄ\
³ 0 ³ 5
³ 0 ³ G
³ 0 ³ G
³ 0 ³ 12 .................... o o o o o o
ÀÄÄÄ/ 1................... o o o o o o
ÍÍÍÍÑÍÍÍÍÍÍÑÍÑÍÍÍÍÍÍÑÍÑÍÍÍÍÍÍÑÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
1ÄÄÄÄÄÄÙ 1ÄÄÄÄÄÄÙ 1ÄÄÄÄÄÄÙ 1 2 4 ³ ³ ³
Terminator Resistors ÄÄÂÄÄ ³ ³ ³
³ ³ ³ ³ Terminator Power Select
Drive ID, binary - use ÅÄÄÄÙ ³ ³ ³ Header located on the side
ID 0 (no jumpers) for ³ ³ ³ ³ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
single drive install Ù ³ ³ ³ (Back) A B (Front of drive)
Enable Parity Checking ÄÄÄÄÄÄÄÄÙ ³ ³ C D
Enable Motor Start Option ÄÄÄÄÄÄÄÄÄÄÙ ³ ÍÍÑÍÍÍÍÍÍÍÍÍÍPÍWÍA
Synchronized Spindle ÄÄÄÄÄÄÄÄÄÄÄÄÙ ³
³
ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
ÄÅÄ
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-1111N
94351-111 Swift
UNFORMATTED CAPACITY (MB) ________________111
FORMATTED CAPACITY (36 SECTORS) (MB) _____98
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________5,340
CYLINDERS ________________________________1,068
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.25
SPINDLE SPEED (RPM) ______________________3,600
BUFFER ___________________________________32 or 64 Kbyte
Read Look-Ahead, Non-Adaptive,
Single-Segmented
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________1,350
BPI (BITS PER INCH) ______________________28,282
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________4
MTBF (power-on hours) ____________________70,000
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) ______33.75
BUFFERED STEP PULSE RATE (micro sec) _____6-200
WRITE PRECOMP (cyl) ______________________N/A (1069)
REDUCED WRITE CURRENT (cyl) ______________N/A (1069)
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
ÚÄÄÄÂÄÄÄ¿
³ A ³ B ³ B = Anode
ÃÄÄÄÅÄÄÄ´ D = Cathode
³ C ³ D ³
...ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÏÍÍÍÏÍÍÍÏÍÍÍÍÍPÍWÍAÍÍÍ...
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)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st1111n.txt.
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