PB520 Connectors

J Description
J1 G3 HD LED
J4 H1 SIMM BANK 0
J4 H2 SIMM BANK 0
J4 G1 SIMM BANK 1
J4 F1 SIMM BANK 1
J 7 J1 IDE2
J 8 J1 FLOPPY
J 8 J2 IDE
J 9 F1 RISER SLOT N/A N/A
J 9 H1 Auxilliary 3.3V Power
J 10 A1 VESA
J 13 H5 KEYBD
J 13 G1 MOUSE
J 13 A1 VIDEO
J 13 E1 COM2
J 13 F1 COM1
J 13 C1 PARALLEL




J13A1: Video Port

J13A1 is a female DB15 VGA port built-in on the motherboard.

J13C1: Parallel Port

J13C1 is a female DB25 parallel port built-in on the motherboard.

External Serial Port

J13E1 and J13F1 is a male DB9 external serial port built-in on the motherboard. J13E1 is COM2. J13F1 is COM1.

J13G1: PS/2 Mouse Port

J13G1 is a female 6-pin mini DIN connector built-in on the motherboard.

J13H5: PS/2 Keyboard Port

J13H5 is a female 6-pin mini DIN connector built-in on the motherboard.

J9F1: Riser Card Connector

The riser card inserted in J9F1 can accommodate up to four 16-bit AT-compatible adapters and two 32-bit PCI adapters, or three 16-bit AT-compatible adapters and three 32-bit PCI adapters at any one time.

U10J1: Battery

U10J1 is a Dallas DS12887 real time clock and CMOS battery.

J8J1: Floppy Drive Interface

J9H1 is a male 2 x 17-pin floppy drive connector.

J8J2: ISA Hard Drive Interface

J9H2 is a male 2 x 20-pin ISA/IDE connector.

J7J1: PCI Hard Drive Interface

J9G1 is a male 2 x 20-pin PCI/IDE connector.

J4F1 thru J4H1: SIMM Sockets

Uses 1/2/4/8/16/32 MB 72-pin SIMMs, 70ns
 


See Also: Ram Upgrade Information Front Panel

U10G1: Flash BIOS EEPROM

This is the Flash BIOS EEPROM surface mounted on the motherboard.

J9H1: PCI Bus Power Connector

J9H1 is the 3.3V Power Connector for the PCI bus.

J10A1: Video Feature Connector

Video Memory Upgrade Sockets

Video memory can be upgraded to 2 MB by installing eight 256KBx4, 70ns VRAM ZIPs at locations U10C1, U10B5, U10B4, U10B3, U10B2, U10B1, U10A2, and U10A1.

Also See: Video Upgrade Information Video Memory

U8A1 and U8B4 make up the 1 MB video memory built-in on the motherboard.

Also See: Video Upgrade Information Cache Memory

U4A1 thru U6B2 make up the 256K L2 cache built-in on the motherboard.

Also See: Cache Upgrade Information U4B2: CPU Socket

At the moment, this socket can only accommodate the Pentium 60 processor.
Uses the 273-pin Type 4 CPU Socket.

Also See: Cpu Upgrade Information Power Connector (PS1 / PS2)

J1G2: Turbo Switch

J3A1: External Fan Connector

J7A1: CPU Clock

J12H1: Flash

J13H1: CMOS and Password Options

J13H3: Monitor Setting

J1F1: Speaker