J-BOND COMPUTER SYSTEMS CORPORATION
PCI 486
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256/512KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI bus slots (3), SCSI interface |
|
NPU Options |
None |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
IDE interface LED |
J9 |
|
Reset switch |
J2 |
SCSI interface |
CN1 |
|
Power LED & keylock |
J3 |
32-bit PCI bus slots |
P1, P2, P3 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
|
CMOS memory normal operation |
J8 |
Open |
|
|
CMOS memory clear |
J8 |
Closed |
|
|
External cache wait state select 0 wait state |
J14 |
pins 2 & 3 closed |
|
|
External cache wait state select 1 wait state |
J14 |
pins 1 & 2 closed |
|
|
Factory configured - do not alter |
J15 |
Open |
|
|
Factory configured - do not alter |
J16 |
Open |
|
|
Factory configured - do not alter |
J17 |
Open |
|
|
Factory configured - do not alter |
J20 |
Open |
|
|
Factory configured - do not alter |
J21 |
Open |
|
|
SCSI terminator term power select internal |
J24 |
Closed |
|
|
SCSI terminator term power select external peripheral |
J24 |
Open |
|
|
SCSI IRQ select IRQ11 |
J114 |
pins 2 & 3 closed |
|
|
SCSI IRQ select IRQ9 |
J114 |
pins 1 & 2 closed |
|
|
External cache enabled |
JP17 |
pins 2 & 3 closed |
|
|
External cache disabled |
JP17 |
pins 1 & 2 closed |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
4MB |
(2) 512K x 36 |
NONE |
|
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
|
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
|
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
|
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
|
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
|
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
|
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
|
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
|
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
|
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
|
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
|
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
|
DRAM CONFIGURATION (CON'T) |
||
|
Size |
Bank 0 |
Bank 1 |
|
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
NONE |
|
66MB |
(2) 256K x 36 |
(2) 8M x 36 |
|
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
|
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
|
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
|
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
CACHE CONFIGURATION |
|||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 32K x 8; (1) 16K x 8; (1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8; (1) 16K x 8; (1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8; (1) 16K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION |
||||||
|
Size |
J5 |
J6 |
J7 |
J11 |
J18 |
J19 |
|
64KB |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
|
128KB |
Open |
Closed |
Open |
1 & 2 |
2 & 3 |
1 & 2 |
|
256KB |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
|
512KB |
Closed |
Closed |
Closed |
1 & 2 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. |
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|
CPU TYPE CONFIGURATION |
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|
Type |
KC1 |
KC2 |
KC3 |
KC4 |
KC5 |
|
80486SX |
Open |
Open |
Open |
Closed |
Open |
|
80487SX |
Open |
Closed |
Closed |
Open |
Closed |
|
80486DX/DX2 |
Closed |
Open |
Closed |
Open |
Closed |
|
Overdrive |
Open |
Closed |
Closed |
Open |
Closed |
|
CPU SPEED CONFIGURATION |
||
|
CPU speed |
J13 |
J103 |
|
25MHz |
pins 1 & 2 closed |
Open |
|
33MHz |
pins 2 & 3 closed |
Closed |
|
50iMHz |
pins 1 & 2 closed |
Open |
|
66iMHz |
pins 2 & 3 closed |
Closed |
|
PCI MASTER CONFIGURATION |
|||
|
Master |
J104 |
J105 |
|
|
|
PCI 3 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
PCI 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
PCI MASTER CONFIGURATION |
|||
|
Master |
J106 |
J107 |
|
|
|
SCSI |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
PCI 2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
PCI IRQ CONFIGURATION |
||||||
|
IRQ |
J36C/B/A |
J39C/B/A |
J40C/B/A |
J42C/B/A |
J43C/B/A |
J113C/B/A |
|
IRQ3 |
Closed |
Open |
Open |
Open |
Open |
Open |
|
IRQ5 |
Open |
Closed |
Open |
Open |
Open |
Open |
|
IRQ10 |
Open |
Open |
Closed |
Open |
Open |
Open |
|
IRQ11 |
Open |
Open |
Open |
Closed |
Open |
Open |
|
IRQ14 |
Open |
Open |
Open |
Open |
Closed |
Open |
|
IRQ15 |
Open |
Open |
Open |
Open |
Open |
Closed |