IOMEGA CORPORATION
PC2/50, PC2B/50
| |
Data bus: |
8-bit ISA |
Size: |
Half-length, full-height card |
Hard drive supported: |
None |
Floppy drives supported: |
Two Bernoulli Box drives |
CONNECTIONS | |
Function |
Location |
34-pin Bernoulli Box connector - external drive |
CN1 |
50-pin Bernoulli Box connector - internal drive |
CN2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
DMA channel 3 select |
SW3 |
off |
DMA channel 1 select |
SW3 |
on | |
» |
DMA enabled |
SW4 |
off |
PIO (Programmed Input/Ouput) enabled |
SW4 |
on | |
» |
IRQ5 select |
SW6 |
off |
IRQ7 select |
SW6 |
on | |
» |
Factory configured - do not alter |
SW7 |
off |
» |
Two 10MB Bernoulli drives in system |
SW8 |
off |
One 10MB Bernoulli drive in system |
SW8 |
on |
PORT ADDRESS SELECTION | ||||
Address |
SW1 |
SW2 |
SW5 | |
» |
340h |
on |
on |
off |
348h |
on |
on |
on | |
350h |
off |
on |
off | |
358h |
off |
on |
on | |
360h |
on |
off |
off | |
368h |
on |
off |
on | |
370h |
off |
off |
off | |
Disabled |
off |
off |
off |
ROM ADDRESS SELECTION (PC2B/50 ONLY) | |||||
Address |
JP1 |
JP2 |
JP3 |
JP4 | |
C800:0000h - C800:1FFFh |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 | |
CA00:0000h - CA00:1FFFh |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 | |
» |
CE00:0000h - CE00-1FFFh |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
D000:0000h - D000:1FFFh |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 | |
D200:0000h - D200:1FFFh |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 | |
D400:0000h - D400:1FFFh |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 | |
D600:0000h - D600:1FFFh |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 | |
D800:0000h - D800:1FFFh |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 | |
DA00:0000h - DA00:1FFFh |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 | |
DC00:0000h - DC00:1FFFh |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 | |
DE00:0000h - DE00:1FFFh |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 | |
E000:0000h - E000:1FFFh |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 | |
E200:0000h - E200:1FFFh |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 | |
E400:0000h - E400:1FFFh |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 | |
RAM/ROM disabled |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 | |
Note: Designated pins should be in the closed position. |
MISCELLANEOUS TECHNICAL NOTES |
Model PC2/50 is the same as PC2B/50 with the exception of jumper shunts, and RAM and ROM chips. PC2/50 can be upgraded to PC2B/50 by ordering an upgrade kit that includes shunts and chips. |